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carrier-billing

openapi: 3.0.3
info:
  description: |-
    Service Enabling Payments against Operator Carrier Billing Systems

    # Introduction

    The Carrier Billing API provides programmable interface for developers and other users (capabilities consumers) to charge an amount on a mobile line.
    It can be easily integrated and allows end-users to buy digital content in an easy & secured way. The API provides management of a payment entity and its associated lifecycle.

    # Relevant terms and definitions

    - **Carrier Billing**:
    An online payment process which allows users to make purchases by charging payments against Telco Operator Billing Systems, accordingly to the user's configuration in the Telco Operator. In a common usage in the industry, the payment is processed on current account balance or charged on next bill generated for this line.

    - **Payment**:
    The process of paying for a (set of) good(s)/service(s).

    - **1-STEP Payment**:
    Payment process performed in one phase (i.e. one action), that involves all the Telco Operator Carrier Billing Systems checking and trigger the charging request against Billing Systems.

    - **2-STEP Payment**:
    Payment process performed in two phases (i.e. two actions). First action deals with payment preparation request to guarantee the reservation of the involved amount. Second action is an explicit confirmation or cancellation of the payment by the user. Any payment not confirmed/cancelled by a given user is discarded after some time in order to avoid inconsistency in the billing systems.

    # API Functionality

    This API allows to third party clients to request the payment of a (set of) digital good(s)/service(s), as well as to retrieve information about a specific payment or a list of payments.

    In the scope of **version v0.5rc1, only one-off payments are covered**. Recurrent payments (a.k.a. payment subscriptions) are not covered so far.

    The API provides several endpoints/operations:
    - An endpoint to request a 1-STEP Payment, named `createPayment`.
    - A set of endpoints to request a 2-STEP Payment:
      - One endpoint to setup the payment reservation, named `preparePayment`.
      - A couple of endpoints to confirm/cancel such payment reservation, named `confirmPayment` and `cancelPayment` respectively.
    - A set of endpoints to retrieve information about a list of payments or a specific payment (identified by its specific `paymentId`), named `retrievePayments` and `retrievePayment` respectively.
    - A callback endpoint where API Server can send notifications about a payment procedure, as defined within `createPayment` and `preparePayment` operations, towards the `sink` when provided by API client.

    The usage of the API is based on Payment resource, which can be created (in 1-STEP or 2-STEP Payment process), confirmed/cancelled (for 2-STEP Payment process), and queried/retrieved (list of payments or a specific payment).

    Before starting to use the API, the developer needs to know about the below specified details:
    - **Payment service endpoint**: The URL pointing to the RESTful resource of the payment API. As 1-STEP and 2-STEP processes are managed, 2 separate tags _`One Step Payment`_ and _`Two Step Payment`_ have been defined to explicitly distinguish them in the API specification. A third tag _`Payment`_ is defined for common operations in both processes (query/retrieve list of payments or a specific payment).
    - **1-STEP & 2-STEP Payment**:
      - **1-STEP Payment**: The request intent is to charge an amount to the mobile line. When the server receives the request, it will check the user account associated with this line and, if nothing prevents it, the amount is charged and will be either bill in next invoice or removed from current line credit/balance.
      - **2-STEP Payment**: The first call is to request a payment preparation, which implies an amount reservation. The amount is not charged and the server has to be ready to get a confirmation or a cancellation to perform the payment. Only when the confirmation is done, payment is charged. Depending on business rules of the Telco operator, a `prepared` payment could expire after a defined delay.
    - **Notification URL**: Developers may provide a callback URL (`sink` param) on which status change notifications, regarding the payment, can be received from the Telco Operator. This is an optional parameter.

    Following diagram shows the API resources operation sequencing:
    ![PaymentSequence](https://raw.githubusercontent.com/camaraproject/CarrierBillingCheckOut/r3.2/documentation/API_documentation/resources/Carrier_Billing_sequence_diagram.png)

    Follow picture provides information about the payment state engine (state description & transition):
    ![Payment State Engine](https://raw.githubusercontent.com/camaraproject/CarrierBillingCheckOut/r3.2/documentation/API_documentation/resources/Carrier_Billing_State_Engine.JPG)

    State transitions:

    **1-STEP Payment**

    If `createPayment` is a **SYNC** process:
    - Response contains `paymentId` and paymentStatus=`succeeded`.
    - In case of any error scenario `paymentId` is not created.

    If `createPayment` is an **ASYNC** process:
    - Response contains `paymentId` and paymentStatus=`processing`. After completion:
      - When payment is successfully completed then paymentStatus=`succeeded`.
      - When payment is not successfully performed then paymentStatus=`denied`.
    - In case of any error scenario `paymentId` is not created.

    **2-STEP Payment**

    FIRST STEP

    If `preparePayment` is a **SYNC** process:
    - **Case A** - `validationInfo` is NOT provided in response.
      - Response contains `paymentId` and paymentStatus=`reserved`.
    - **Case B** - `validationInfo` is provided in response.
      - Response contains `paymentId` and paymentStatus=`pending_validation`.
    - In case of any error scenario `paymentId` is not created.

    If `preparePayment` is an **ASYNC** process:
    - **Case A** - `validationInfo` is NOT provided in response.
      - Response contains `paymentId` and paymentStatus=`processing`. After completion:
        - When payment preparation is successfully completed then paymentStatus=`reserved`.
        - When payment preparation is not successfully performed then paymentStatus=`denied`.
    - **Case B** - `validationInfo` is provided in response.
      - Response contains `paymentId` and paymentStatus=`processing`. After completion:
        - When payment preparation is successfully completed then paymentStatus=`pending_validation`. [1]
        - When payment preparation is not successfully performed then paymentStatus=`denied`.
    - In case of any error scenario `paymentId` is not created.

    [OPTIONAL] VALIDATE STEP [1]

    After `validatePayment`, paymentStatus=`reserved` OR `denied`, depending whether it was successful or not.

    SECOND STEP

    After `confirmPayment`, paymentStatus=`succeeded` OR `denied`, depending whether it was successful or not.

    After `cancelPayment`, paymentStatus=`cancelled`.

    # Generic Clarification about optional parameters

    Regarding optional parameters, they can be conditionally mandatory for a Telco Operator to implement them based on business scenarios or applicable regulations in a given market.

    NOTE: Within a given market, in a multi Telco Operator ecosystem, the set of optional parameters to be implemented MUST be aligned among involved Telco Operators.

    # Authorization and authentication

    The "Camara Security and Interoperability Profile" provides details of how an API consumer requests an access token. Please refer to Identity and Consent Management (https://github.com/camaraproject/IdentityAndConsentManagement/) for the released version of the profile.

    The specific authorization flows to be used will be agreed upon during the onboarding process, happening between the API consumer and the API provider, taking into account the declared purpose for accessing the API, whilst also being subject to the prevailing legal framework dictated by local legislation.

    In cases where personal data is processed by the API and users can exercise their rights through mechanisms such as opt-in and/or opt-out, the use of three-legged access tokens is mandatory. This ensures that the API remains in compliance with privacy regulations, upholding the principles of transparency and user-centric privacy-by-design.

    # Identifying the phone number from the access token

    This API requires the API consumer to identify a phone number as the subject of the API as follows:
    - When the API is invoked using a two-legged access token, the subject will be identified from the optional `phoneNumber` field, which therefore MUST be provided.
    - When a three-legged access token is used however, this optional identifier MUST NOT be provided, as the subject will be uniquely identified from the access token.

    This approach simplifies API usage for API consumers using a three-legged access token to invoke the API by relying on the information that is associated with the access token and was identified during the authentication process.

    ## Error handling:

    - If the subject cannot be identified from the access token and the optional `phoneNumber` field is not included in the request, then the server will return an error with the `422 MISSING_IDENTIFIER` error code.

    - If the subject can be identified from the access token and the optional `phoneNumber` field is also included in the request, then the server will return an error with the `422 UNNECESSARY_IDENTIFIER` error code. This will be the case even if the same phone number is identified by these two methods, as the server is unable to make this comparison.

    # Additional CAMARA error responses

    The list of error codes in this API specification is not exhaustive. Therefore the API specification may not document some non-mandatory error statuses as indicated in `CAMARA API Design Guide`.

    Please refer to the `CAMARA_common.yaml` of the Commonalities Release associated to this API version for a complete list of error responses. The applicable Commonalities Release can be identified in the `API Readiness Checklist` document associated to this API version.

    As a specific rule, error `501 - NOT_IMPLEMENTED` can be only a possible error response if it is explicitly documented in the API.

    # Further info and support

    (FAQs will be added in a later version of the documentation)
  version: wip
  title: Carrier Billing
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
  x-camara-commonalities: wip
externalDocs:
  description: Product documentation at Camara
  url: https://github.com/camaraproject/CarrierBillingCheckOut
servers:
  - url: "{apiRoot}/carrier-billing/vwip"
    variables:
      apiRoot:
        default: http://localhost:9091
        description: API root, defined by the service provider
tags:
  - name: One Step Payment
    description: Operations to manage One Step Payment procedure
  - name: Two Step Payment
    description: Operations to manage Two Step Payment procedure
  - name: Payment
    description: Operations to obtain information about payments
paths:
  /payments:
    post:
      security:
        - openId:
            - carrier-billing:payments:create
      tags:
        - One Step Payment
      summary: Create a new Payment
      operationId: createPayment
      description: Create a new payment for subsequent charging to an end user. Carrier Billing Server will apply the charging according to business configuration for the end user.
      parameters:
        - $ref: "#/components/parameters/x-correlator"
      requestBody:
        description: Amount transaction
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/CreatePayment"
        required: true
      callbacks:
        notifications:
          "{$request.body#/sink}":
            post:
              security:
                - {}
                - notificationsBearerAuth: []
              tags:
                - Payment Notifications
              summary: Carrier Billing payment notifications
              operationId: createPaymentNotification
              description: |
                Important: This endpoint is exposed by the API client, accepting requests in the defined format.
                The Carrier Billing server will call this endpoint whenever any carrier billing related event occurs.
              parameters:
                - $ref: "#/components/parameters/x-correlator"
              requestBody:
                description: Creates a new carrier billing payment notification
                content:
                  application/cloudevents+json:
                    schema:
                      $ref: "#/components/schemas/CloudEvent"
                required: true
              responses:
                "204":
                  description: Successful notification
                  headers:
                    x-correlator:
                      $ref: "#/components/headers/x-correlator"
                "400":
                  $ref: "#/components/responses/Generic400"
                "401":
                  $ref: "#/components/responses/Generic401"
                "403":
                  $ref: "#/components/responses/Generic403"
                "410":
                  $ref: "#/components/responses/Generic410"
                "429":
                  $ref: "#/components/responses/Generic429"
      responses:
        "201":
          description: Created
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PaymentCreated"
        "400":
          $ref: "#/components/responses/PaymentInvalid400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/PaymentPermissionDenied403"
        "404":
          $ref: "#/components/responses/IdentifierNotFound404"
        "409":
          $ref: "#/components/responses/Generic409"
        "422":
          $ref: "#/components/responses/PaymentUnprocessable422"
        "429":
          $ref: "#/components/responses/Generic429"
    get:
      security:
        - openId:
            - carrier-billing:payments:read
      tags:
        - Payment
      summary: Get a list of payments
      operationId: retrievePayments
      description: |-
        Retrieve a list of payments and their details based on some filtering criteria.
        Regardless the payment criteria provided, response MUST be always limited to payments performed by the API client (i.e same oAuth credentials) triggering this request.
        This is to guarantee no API client can check payments performed by other, therefore avoiding any legal or privacy topic.

        When Access Token is issued for a given user phone number, the list of payments returned would be only the ones associated to that user phone number and API client. When Access Token is not associated to a user phone number, therefore only associated to API client the list of payments returned would be all the ones managed by that API client.

        Considerations regarding `paymentCreationDate.gte`, `paymentCreationDate.lte`:
        - If both included, return payments in that date range
        - If no one included, no filtering by date range is applied
        - If only settled `paymentCreationDate.gte`, `paymentCreationDate.lte` is considered current date-time
        - If only settled `paymentCreationDate.lte`, every payment existing in the Operator billing system until such date is returned
      parameters:
        - $ref: "#/components/parameters/x-correlator"
        - $ref: "#/components/parameters/Page"
        - $ref: "#/components/parameters/PerPage"
        - $ref: "#/components/parameters/StartPaymentCreationDate"
        - $ref: "#/components/parameters/EndPaymentCreationDate"
        - $ref: "#/components/parameters/Order"
        - $ref: "#/components/parameters/PaymentStatus"
        - $ref: "#/components/parameters/MerchantIdentifier"
      responses:
        "200":
          description: OK
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
            Content-Last-Key:
              $ref: "#/components/headers/Content-Last-Key"
            X-Total-Count:
              $ref: "#/components/headers/X-Total-Count"
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PaymentArray"
        "400":
          $ref: "#/components/responses/GetPaymentsInvalid400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/Generic403"
        "429":
          $ref: "#/components/responses/Generic429"
  /payments/{paymentId}:
    get:
      security:
        - openId:
            - carrier-billing:payments:read
      tags:
        - Payment
      summary: Get payment details
      operationId: retrievePayment
      description: |-
        Retrieve payment details for a given payment.

        When Access Token is issued for a given user phone number, the payment details would be returned in case the `paymentId` is associated to that user phone number and API client, otherwise `404 NOT_FOUND` will be returned. When Access Token is not associated to a user phone number, the payment details are returned in case the API client managed that payment.
      parameters:
        - name: paymentId
          in: path
          description: Payment identifier that was obtained from the create payment operation
          required: true
          schema:
            type: string
        - $ref: "#/components/parameters/x-correlator"
      responses:
        "200":
          description: OK
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Payment"
        "400":
          $ref: "#/components/responses/Generic400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/Generic403"
        "404":
          $ref: "#/components/responses/Generic404"
        "429":
          $ref: "#/components/responses/Generic429"
  /payments/prepare:
    post:
      security:
        - openId:
            - carrier-billing:payments:create
      tags:
        - Two Step Payment
      summary: Prepare (reserve) a payment
      operationId: preparePayment
      description: Prepare a new payment procedure. Carrier Billing Server will apply the charging according to business configuration for the end user.
      parameters:
        - $ref: "#/components/parameters/x-correlator"
      requestBody:
        description: Amount transaction
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/BodyAmountReservationTransactionForReserveInput"
        required: true
      callbacks:
        notifications:
          "{$request.body#/sink}":
            post:
              security:
                - {}
                - notificationsBearerAuth: []
              tags:
                - Payment Notifications
              summary: Carrier Billing payment notifications
              operationId: preparePaymentNotification
              description: |
                Important: This endpoint is exposed by the API client, accepting requests in the defined format.
                The Carrier Billing server will call this endpoint whenever any carrier billing related event occurs.
              parameters:
                - $ref: "#/components/parameters/x-correlator"
              requestBody:
                description: Creates a new carrier billing payment notification
                content:
                  application/cloudevents+json:
                    schema:
                      $ref: "#/components/schemas/CloudEvent"
                required: true
              responses:
                "204":
                  description: Successful notification
                  headers:
                    x-correlator:
                      $ref: "#/components/headers/x-correlator"
                "400":
                  $ref: "#/components/responses/Generic400"
                "401":
                  $ref: "#/components/responses/Generic401"
                "403":
                  $ref: "#/components/responses/Generic403"
                "410":
                  $ref: "#/components/responses/Generic410"
                "429":
                  $ref: "#/components/responses/Generic429"
      responses:
        "201":
          description: Created
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BodyAmountReservationTransactionForReserve"
        "400":
          $ref: "#/components/responses/Payment2StepPrepareInvalid400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/PaymentPermissionDenied403"
        "404":
          $ref: "#/components/responses/IdentifierNotFound404"
        "409":
          description: Conflict
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
          content:
            application/json:
              schema:
                allOf:
                  - $ref: "#/components/schemas/ErrorInfo"
                  - type: object
                    properties:
                      status:
                        enum:
                          - 409
                      code:
                        enum:
                          - ALREADY_EXISTS
              examples:
                GENERIC_409_ALREADY_EXISTS:
                  summary: Generic Already Exists
                  description: Trying to create an existing resource
                  value:
                    code: ALREADY_EXISTS
                    status: 409
                    message: "Another session is created for the same UE"
        "422":
          $ref: "#/components/responses/PaymentUnprocessable422"
        "429":
          $ref: "#/components/responses/Generic429"
  /payments/{paymentId}/validate:
    post:
      security:
        - openId:
            - carrier-billing:payments:write
      tags:
        - Two Step Payment
      summary: Validate a payment
      operationId: validatePayment
      description: Validate a given payment with a code, identified by its paymentId. This process is applicable for 2-STEP, when optionally required by business case.
      parameters:
        - name: paymentId
          in: path
          description: The payment identifier returned when the payment preparation was created.
          schema:
            type: string
          required: true
        - $ref: "#/components/parameters/x-correlator"
      requestBody:
        description: Payment Validation
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/ValidatePayment"
        required: true
      responses:
        "204":
          description: Validation Succeeded
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
        "400":
          $ref: "#/components/responses/ValidatePaymentInvalid400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/Generic403"
        "404":
          $ref: "#/components/responses/Generic404"
        "409":
          description: Conflict
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
          content:
            application/json:
              schema:
                allOf:
                  - $ref: "#/components/schemas/ErrorInfo"
                  - type: object
                    properties:
                      status:
                        enum:
                          - 409
                      code:
                        enum:
                          - ALREADY_EXISTS
              examples:
                GENERIC_409_ALREADY_EXISTS:
                  summary: Conflict
                  description: paymentId already validated
                  value:
                    code: ALREADY_EXISTS
                    status: 409
                    message: "Payment already validated"
        "429":
          $ref: "#/components/responses/Generic429"
  /payments/{paymentId}/confirm:
    post:
      security:
        - openId:
            - carrier-billing:payments:write
      tags:
        - Two Step Payment
      summary: Confirm a payment
      operationId: confirmPayment
      description: Confirm a reservation of a given payment, identified by its paymentId.
      parameters:
        - name: paymentId
          in: path
          description: The payment identifier returned when the payment preparation was created.
          schema:
            type: string
          required: true
        - $ref: "#/components/parameters/x-correlator"
      requestBody:
        description: capture PhoneNumber for payment operation
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/PhoneNumber"
        required: true
      responses:
        "202":
          description: Payment confirmation accepted
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
        "400":
          $ref: "#/components/responses/Payment2StepInvalid400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/PaymentConfirmPermissionDenied403"
        "404":
          $ref: "#/components/responses/Identifier2StepNotFound404"
        "409":
          $ref: "#/components/responses/PaymentConfirmConflict409"
        "422":
          $ref: "#/components/responses/PaymentSecondStepUnprocessable422"
        "429":
          $ref: "#/components/responses/Generic429"
  /payments/{paymentId}/cancel:
    post:
      security:
        - openId:
            - carrier-billing:payments:write
      tags:
        - Two Step Payment
      summary: Cancel a payment
      operationId: cancelPayment
      description: Cancel a reservation of a given payment, identified by its paymentId.
      parameters:
        - name: paymentId
          in: path
          description: The payment identifier returned when the payment preparation was created.
          required: true
          schema:
            type: string
        - $ref: "#/components/parameters/x-correlator"
      requestBody:
        description: capture PhoneNumber for payment operation
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/PhoneNumber"
        required: true
      responses:
        "202":
          description: Payment Cancellation Accepted
          headers:
            x-correlator:
              $ref: "#/components/headers/x-correlator"
        "400":
          $ref: "#/components/responses/Payment2StepInvalid400"
        "401":
          $ref: "#/components/responses/Generic401"
        "403":
          $ref: "#/components/responses/PaymentCancelPermissionDenied403"
        "404":
          $ref: "#/components/responses/Identifier2StepNotFound404"
        "409":
          $ref: "#/components/responses/PaymentCancelConflict409"
        "422":
          $ref: "#/components/responses/PaymentSecondStepUnprocessable422"
        "429":
          $ref: "#/components/responses/Generic429"
components:
  securitySchemes:
    openId:
      type: openIdConnect
      openIdConnectUrl: https://example.com/.well-known/openid-configuration
    notificationsBearerAuth:
      type: http
      scheme: bearer
      bearerFormat: "{$request.body#/sinkCredential.credentialType}"
  schemas:
    XCorrelator:
      type: string
      pattern: ^[a-zA-Z0-9-_:;.\/<>{}]{0,256}$
      example: "b4333c46-49c0-4f62-80d7-f0ef930f1c46"
    CreatePayment:
      type: object
      required:
        - amountTransaction
      properties:
        amountTransaction:
          $ref: "#/components/schemas/AmountTransactionInput"
        sink:
          type: string
          format: uri
          pattern: ^https:\/\/.+$
          description: The address to which events shall be delivered, using the HTTP protocol.
          example: "https://endpoint.example.com/sink"
        sinkCredential:
          allOf:
            - description: A sink credential provides authentication or authorization information necessary to enable delivery of events to a target.
            - $ref: "#/components/schemas/SinkCredential"
    PaymentCreated:
      type: object
      required:
        - amountTransaction
        - paymentId
        - paymentStatus
        - paymentCreationDate
      properties:
        paymentId:
          type: string
          description: Unique Identifier of the payment
          example: "AK234rfweSBuWGFUEWFGWEVWRV"
        amountTransaction:
          $ref: "#/components/schemas/AmountTransaction"
        paymentStatus:
          type: string
          description: Specifies the payment status (`processing`, `pending_validation`, `denied`, `reserved`, `succeeded`, `cancelled`).
          example: "processing"
        paymentCreationDate:
          type: string
          format: date-time
          description: Date time when the payment is created in server database. This is a technical information. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
        paymentDate:
          type: string
          format: date-time
          description: Date time when the payment is effectively performed. This is a business information. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
        sink:
          type: string
          format: uri
          pattern: ^https:\/\/.+$
          description: The address to which events shall be delivered, using the HTTP protocol.
          example: "https://endpoint.example.com/sink"
    PaymentArray:
      description: A list of payment(s)
      type: array
      minItems: 0
      items:
        $ref: "#/components/schemas/Payment"
    Payment:
      type: object
      required:
        - amountTransaction
        - paymentId
        - paymentStatus
        - paymentCreationDate
      properties:
        paymentId:
          type: string
          description: Unique Identifier of the payment
          example: "AK234rfweSBuWGFUEWFGWEVWRV"
        amountTransaction:
          $ref: "#/components/schemas/AmountTransaction"
        paymentStatus:
          type: string
          description: Specifies the payment status (`processing`, `pending_validation`, `denied`, `reserved`, `succeeded`, `cancelled`).
          example: "processing"
        paymentCreationDate:
          type: string
          format: date-time
          description: Date time when the payment is created in server database. This is a technical information. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
        paymentDate:
          type: string
          format: date-time
          description: Date time when the payment is effectively performed. This is a business information. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
        sink:
          type: string
          format: uri
          pattern: ^https:\/\/.+$
          description: The address to which events shall be delivered, using the HTTP protocol.
          example: "https://endpoint.example.com/sink"
    SinkCredential:
      type: object
      properties:
        credentialType:
          type: string
          enum:
            - PLAIN
            - ACCESSTOKEN
            - REFRESHTOKEN
          description: "The type of the credential. Only `ACCESSTOKEN` is supported so far."
      discriminator:
        propertyName: credentialType
        mapping:
          PLAIN: "#/components/schemas/PlainCredential"
          ACCESSTOKEN: "#/components/schemas/AccessTokenCredential"
          REFRESHTOKEN: "#/components/schemas/RefreshTokenCredential"
      required:
        - credentialType
    PlainCredential:
      type: object
      description: A plain credential as a combination of an identifier and a secret.
      allOf:
        - $ref: "#/components/schemas/SinkCredential"
        - type: object
          required:
            - identifier
            - secret
          properties:
            identifier:
              description: The identifier might be an account or username.
              type: string
            secret:
              description: The secret might be a password or passphrase.
              type: string
    AccessTokenCredential:
      type: object
      description: An access token credential.
      allOf:
        - $ref: "#/components/schemas/SinkCredential"
        - type: object
          properties:
            accessToken:
              description: REQUIRED. An access token is a previously acquired token granting access to the target resource.
              type: string
            accessTokenExpiresUtc:
              type: string
              format: date-time
              description: REQUIRED. An absolute (UTC) timestamp at which the token shall be considered expired. Token expiration should occur after the expiration of the requested payment, allowing the client to be notified of any changes during the payment's existence. If the token expires while the payment is still active, the client will stop receiving notifications. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
            accessTokenType:
              description: REQUIRED. Type of the access token (See [OAuth 2.0](https://tools.ietf.org/html/rfc6749#section-7.1)).
              type: string
              enum:
                - bearer
          required:
            - accessToken
            - accessTokenExpiresUtc
            - accessTokenType
    RefreshTokenCredential:
      type: object
      description: An access token credential with a refresh token.
      allOf:
        - $ref: "#/components/schemas/SinkCredential"
        - type: object
          properties:
            accessToken:
              description: REQUIRED. An access token is a previously acquired token granting access to the target resource.
              type: string
            accessTokenExpiresUtc:
              type: string
              format: date-time
              description: REQUIRED. An absolute (UTC) timestamp at which the token shall be considered expired. Token expiration should occur after the expiration of the requested payment, allowing the client to be notified of any changes during the payment's existence. If the token expires while the payment is still active, the client will stop receiving notifications. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
            accessTokenType:
              description: REQUIRED. Type of the access token (See [OAuth 2.0](https://tools.ietf.org/html/rfc6749#section-7.1)).
              type: string
              enum:
                - bearer
            refreshToken:
              description: REQUIRED. An refresh token credential used to acquire access tokens.
              type: string
            refreshTokenEndpoint:
              type: string
              format: uri
              description: REQUIRED. A URL at which the refresh token can be traded for an access token.
      required:
        - accessToken
        - accessTokenExpiresUtc
        - accessTokenType
        - refreshToken
        - refreshTokenEndpoint
    AmountTransaction:
      required:
        - phoneNumber
        - paymentAmount
        - referenceCode
      type: object
      properties:
        phoneNumber:
          type: string
          description: |-
            Identifies the mobile account to be charged.

            A public identifier addressing a telephone subscription. In mobile networks it corresponds to the MSISDN (Mobile Station International Subscriber Directory Number). In order to be globally unique it has to be formatted in international format, according to E.164 standard, prefixed with '+'.
          pattern: '^\+[1-9][0-9]{4,14}$'
          example: "+34671999000"
        clientCorrelator:
          type: string
          description:
            Uniquely identifies this create payment request. If there is
            a communication failure during the payment request, using the same clientCorrelator
            when retrying the request allows the operator to avoid applying the same
            charge twice. This field SHOULD be present. Same value as indicated in the request.
          example: "req-12f2pgh448gh2hvrfrv"
        paymentAmount:
          $ref: "#/components/schemas/PaymentAmountForCharge"
        referenceCode:
          type: string
          description:
            Merchant generated payment reference to uniquely identify the
            request, for instance, in the case of disputes. Same value as the one provided in the request.
          example: "ref-pay-834tfr2rA3v8r8vr3rv"
        resourceURL:
          type: string
          description: URI of the created resource (same as in the Location header)
          example: "urn:payments:AK234rfweSBuWGFUEWFGWEVWRV"
        serverReferenceCode:
          type: string
          description:
            Reference to the charge or refund, provided by the server,
            and meaningful to the server’s backend system for the purpose of reconciliation.
          example: "ref-pay-834tfr2rA3v8r8vr3rv-serv"
    AmountTransactionInput:
      type: object
      required:
        - paymentAmount
        - referenceCode
      properties:
        phoneNumber:
          type: string
          description: |-
            Identifies the mobile account to be charged.

            A public identifier addressing a telephone subscription. In mobile networks it corresponds to the MSISDN (Mobile Station International Subscriber Directory Number). In order to be globally unique it has to be formatted in international format, according to E.164 standard, prefixed with '+'.

            Additional Considerations:
            - Take a look to section `# Identifying the phone number from the access token` regarding the use of this field.
          pattern: '^\+[1-9][0-9]{4,14}$'
          example: "+34671999000"
        clientCorrelator:
          type: string
          description:
            Uniquely identifies this create payment request. If there is
            a communication failure during the payment request, using the same clientCorrelator
            when retrying the request allows the operator to avoid applying the same
            charge twice. This field SHOULD be present.
          example: "req-12f2pgh448gh2hvrfrv"
        paymentAmount:
          $ref: "#/components/schemas/PaymentAmountForCharge"
        referenceCode:
          type: string
          description:
            Merchant generated payment reference to uniquely identify the
            request, for instance, in the case of disputes.
          example: "ref-pay-834tfr2rA3v8r8vr3rv"
    PaymentAmountForCharge:
      type: object
      required:
        - chargingInformation
      properties:
        chargingInformation:
          $ref: "#/components/schemas/ChargingInformation"
        chargingMetaData:
          $ref: "#/components/schemas/ChargingMetaData"
        paymentDetails:
          $ref: "#/components/schemas/PaymentDetails"
    PhoneNumber:
      type: object
      properties:
        phoneNumber:
          type: string
          description: |-
            Identifies the mobile account to be charged.

            A public identifier addressing a telephone subscription. In mobile networks it corresponds to the MSISDN (Mobile Station International Subscriber Directory Number). In order to be globally unique it has to be formatted in international format, according to E.164 standard, prefixed with '+'.

            Additional Considerations:
            - Take a look to section `# Identifying the phone number from the access token` regarding the use of this field.
          pattern: '^\+[1-9][0-9]{4,14}$'
          example: "+34671999000"
    ValidatePayment:
      type: object
      required:
        - authorizationId
        - code
      properties:
        authorizationId:
          type: string
          description: Unique authorization identifier for a specific payment.
          example: "Fn34o8g239v3wrb3t"
        code:
          type: string
          description: Code received via SMS to validate and authorize a specific payment, only needed when business case requires it. Sending of this code is outside this specification.
          example: "352673"
    BodyAmountReservationTransactionForReserve:
      required:
        - amountTransaction
        - paymentId
        - paymentStatus
        - paymentCreationDate
      type: object
      properties:
        paymentId:
          type: string
          description: Unique Identifier of the payment
          example: "AK234rfweSBuWGFUEWFGWEVWRV"
        amountTransaction:
          $ref: "#/components/schemas/AmountReservationTransactionForReserve"
        paymentStatus:
          type: string
          description: Specifies the payment status (`processing`, `pending_validation`, `denied`, `reserved`, `succeeded`, `cancelled`).
          example: "processing"
        paymentCreationDate:
          type: string
          format: date-time
          description: Date time when the payment is created in server database. This is a technical information. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
        validationInfo:
          allOf:
            - $ref: "#/components/schemas/ValidationInfo"
            - description: Information to perform otp validation. Only needed when business case requires it. Sending of OTP is outside the scope of this specification.
        sink:
          type: string
          format: uri
          pattern: ^https:\/\/.+$
          description: The address to which events shall be delivered, using the HTTP protocol.
          example: "https://endpoint.example.com/sink"
    BodyAmountReservationTransactionForReserveInput:
      required:
        - amountTransaction
      type: object
      properties:
        amountTransaction:
          $ref: "#/components/schemas/AmountReservationTransactionForReserveInput"
        sink:
          type: string
          format: uri
          pattern: ^https:\/\/.+$
          description: The address to which events shall be delivered, using the HTTP protocol.
          example: "https://endpoint.example.com/sink"
        sinkCredential:
          allOf:
            - description: A sink credential provides authentication or authorization information necessary to enable delivery of events to a target.
            - $ref: "#/components/schemas/SinkCredential"
    AmountReservationTransactionForReserve:
      required:
        - phoneNumber
        - paymentAmount
        - referenceCode
      type: object
      properties:
        phoneNumber:
          type: string
          description: |-
            Identifies the mobile account to be charged.

            A public identifier addressing a telephone subscription. In mobile networks it corresponds to the MSISDN (Mobile Station International Subscriber Directory Number). In order to be globally unique it has to be formatted in international format, according to E.164 standard, prefixed with '+'.
          pattern: '^\+[1-9][0-9]{4,14}$'
          example: "+34671999000"
        clientCorrelator:
          type: string
          description: Uniquely identifies this payment request. If there is
            a communication failure during the payment request, using the same clientCorrelator
            when retrying the request allows the operator to avoid applying the same
            charge twice. This field SHOULD be present. Same value as indicated in the request.
          example: "req-12f2pgh448gh2hvrfrv"
        paymentAmount:
          $ref: "#/components/schemas/PaymentAmountForReserve"
        referenceCode:
          type: string
          description:
            Merchant generated payment reference to uniquely identify the
            request, for example, in the case of disputes. Same value as the one provided in the request.
          example: "ref-pay-834tfr2rA3v8r8vr3rv"
        resourceURL:
          type: string
          description: URI of the created resource (same as in the Location header)
          example: "urn:payments:AK234rfweSBuWGFUEWFGWEVWRV"
        serverReferenceCode:
          type: string
          description:
            Reference to the charge or refund, provided by the server,
            and meaningful to the server’s backend system for the purpose of reconciliation.
          example: "ref-pay-834tfr2rA3v8r8vr3rv-serv"
    AmountReservationTransactionForReserveInput:
      type: object
      required:
        - paymentAmount
        - referenceCode
      properties:
        phoneNumber:
          type: string
          description: |-
            Identifies the mobile account to be charged.

            A public identifier addressing a telephone subscription. In mobile networks it corresponds to the MSISDN (Mobile Station International Subscriber Directory Number). In order to be globally unique it has to be formatted in international format, according to E.164 standard, prefixed with '+'.

            Additional Considerations:
            - Take a look to section `# Identifying the phone number from the access token` regarding the use of this field.
          pattern: '^\+[1-9][0-9]{4,14}$'
          example: "+34671999000"
        clientCorrelator:
          type: string
          description:
            Uniquely identifies this create payment request. If there is
            a communication failure during the payment request, using the same clientCorrelator
            when retrying the request allows the operator to avoid applying the same
            charge twice. This field SHOULD be present.
          example: "req-12f2pgh448gh2hvrfrv"
        paymentAmount:
          $ref: "#/components/schemas/PaymentAmountForReserve"
        referenceCode:
          type: string
          description:
            Merchant generated payment reference to uniquely identify the
            request, for instance, in the case of disputes.
          example: "ref-pay-834tfr2rA3v8r8vr3rv"
    PaymentAmountForReserve:
      type: object
      required:
        - chargingInformation
      properties:
        chargingInformation:
          $ref: "#/components/schemas/ChargingInformation"
        chargingMetaData:
          $ref: "#/components/schemas/ChargingMetaData"
        paymentDetails:
          $ref: "#/components/schemas/PaymentDetails"
    PaymentDetails:
      type: array
      description: Detailed description of the concepts/items considered within a specific payment procedure.
      minItems: 1
      items:
        $ref: "#/components/schemas/PaymentItem"
    PaymentItem:
      type: object
      required:
        - id
        - amount
        - currency
        - description
      properties:
        id:
          type: string
          description: |-
            Unique payment item identifier. Relevant to uniquely identify an item within a given payment when `paymentDetails` are provided and also to correlate information when a refund regarding this item is performed, by means of using `refundDetails`.
          example: "3goug3uvu32v3b"
        amount:
          type: number
          format: float
          multipleOf: 0.001
          minimum: 0.001
          description: Specific amount to be charged or reserved referred to a specific item.
          example: 100
        currency:
          type: string
          description: Currency code in which amount is expressed as defined in [ISO 4217](https://www.iso.org/iso-4217-currency-codes.html).
          example: "EUR"
        description:
          type: string
          description: Description text to be used for information and billing text referred to a specific item.
          example: "FIFA EA Sports 24"
        isTaxIncluded:
          type: boolean
          default: false
          description: If true, the `amount` is tax included, if false the `amount` is provided without tax. In both cases, `taxAmount` could be indicated to provide tax amount.
        taxAmount:
          type: number
          format: float
          multipleOf: 0.001
          minimum: 0
          description: |
            The tax amount charged by the merchant. Indicated when the merchant is the one applying taxes. This field also provides an indicator to the downstream billing system.
          example: 21
    ChargingInformation:
      type: object
      required:
        - amount
        - currency
        - description
      properties:
        amount:
          type: number
          format: float
          multipleOf: 0.001
          minimum: 0.001
          description: Amount to be charged or reserved.
          example: 100
        currency:
          type: string
          description: Currency code in which amount is expressed as defined in [ISO 4217](https://www.iso.org/iso-4217-currency-codes.html).
          example: "EUR"
        description:
          type: string
          description: Description text to be used for information and billing text
          example: "FIFA EA Sports 24"
        isTaxIncluded:
          type: boolean
          default: false
          description: If true, the `amount` is tax included, if false the `amount` is provided without tax. In both cases, `taxAmount` could be indicated to provide tax amount.
        taxAmount:
          type: number
          format: float
          multipleOf: 0.001
          minimum: 0
          description: |
            The tax amount charged by the merchant. Indicated when the merchant is the one applying taxes. This field also provides an indicator to the downstream billing system.
          example: 21
    ChargingMetaData:
      type: object
      properties:
        merchantName:
          type: string
          description: Indicates the merchant name. Allows aggregators/partners to specify the actual merchant name
          example: "EA Sports"
        merchantIdentifier:
          type: string
          description: Indicates the merchant identifier. Allows aggregators/partners to specify the actual merchant identifier
          example: "eas-12345"
        fee:
          type: number
          format: float
          multipleOf: 0.01
          description: Percentage of the amount to be received by the requester
          example: 10
        purchaseCategoryCode:
          type: string
          description: A category defining the type of service, product or media being purchased
          example: "games"
        channel:
          type: string
          description: The channel over which the requester is interacting with the merchant (e.g. WAP, Web, SMS...)
          example: "web"
        serviceId:
          type: string
          description: The identifier of the partner/merchant service being purchased
          example: "games-online"
        productId:
          type: string
          description: The product identifier to be combined with the `serviceId` to uniquely identify the product being purchased. For example if the `serviceId` relates to a VOD service, the `productId` can specify the movie rented
          example: "138235321"
    ValidationInfo:
      type: object
      required:
        - action
      properties:
        action:
          type: string
          enum:
            - open
            - validate
          description: Action to be done regarding otp validation.
      discriminator:
        propertyName: action
        mapping:
          open: "#/components/schemas/Open"
          validate: "#/components/schemas/Validate"
      example:
        action: validate
        authorizationId: "Fn34o8g239v3wrb3t"
    Open:
      allOf:
        - $ref: "#/components/schemas/ValidationInfo"
        - type: object
          description: Information for otp validation by means of browseable URL.
          required:
            - validationURL
          properties:
            validationURL:
              type: string
              description: Backend generated Public URL to perform otp validation. Sending of OTP is outside the scope of this specification.
              example: "https://my-payment-service.com/validate/358y24t2g4f2397g45"
    Validate:
      allOf:
        - $ref: "#/components/schemas/ValidationInfo"
        - type: object
          description: Information for otp validation by means of received otp.
          required:
            - authorizationId
          properties:
            authorizationId:
              type: string
              description: Unique authorization identifier for a given payment to perform otp validation. Sending of OTP is outside the scope of this specification. Validation of this `authorizationId` is performed by means of `validatePayment` endpoint.
              example: "Fn34o8g239v3wrb3t"
    CloudEvent:
      description: The notification format
      required:
        - id
        - source
        - specversion
        - type
        - time
      properties:
        id:
          type: string
          description: Identifier of this event, that must be unique in the source context.
          minLength: 1
          example: "sd5e-uy52-88t4-za66"
        source:
          $ref: "#/components/schemas/Source"
        type:
          type: string
          description: Type of event as defined in each CAMARA API
          minLength: 25
          example: "org.camaraproject.carrier-billing.v0.payment-reserved"
        specversion:
          type: string
          description: Version of the specification to which this event conforms (must be 1.0 if it conforms to cloudevents 1.0.2 version)
          minLength: 3
          example: "1.0"
        datacontenttype:
          type: string
          description: 'media-type that describes the event payload encoding, must be "application/json" for CAMARA APIs'
          example: "application/json"
        data:
          type: object
          description: Event details payload described in each CAMARA API and referenced by its type
        time:
          $ref: "#/components/schemas/DateTime"
      discriminator:
        propertyName: "type"
        mapping:
          org.camaraproject.carrier-billing.v0.payment-pending-validation: "#/components/schemas/EventPaymentPendingValidation"
          org.camaraproject.carrier-billing.v0.payment-reserved: "#/components/schemas/EventPaymentReserved"
          org.camaraproject.carrier-billing.v0.payment-completed: "#/components/schemas/EventPaymentCompleted"
          org.camaraproject.carrier-billing.v0.payment-cancelled: "#/components/schemas/EventPaymentCancelled"
          org.camaraproject.carrier-billing.v0.payment-denied: "#/components/schemas/EventPaymentDenied"
    Source:
      type: string
      format: uri-reference
      minLength: 1
      description: |-
        Identifies the context in which an event happened - be a non-empty `URI-reference` like:
        - URI with a DNS authority:
          * https://github.com/cloudevents
          * mailto:cncf-wg-serverless@lists.cncf.io
        - Universally-unique URN with a UUID:
          * urn:uuid:6e8bc430-9c3a-11d9-9669-0800200c9a66
        - Application-specific identifier:
          * /cloudevents/spec/pull/123
          * 1-555-123-4567
      example: "https://notificationSendServer12.supertelco.com"
    DateTime:
      type: string
      format: date-time
      description: Timestamp when the occurrence happened. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
      example: "2023-11-03T12:27:10Z"
    EventPaymentPendingValidation:
      description: Event structure for payment pending validation
      allOf:
        - $ref: "#/components/schemas/CloudEvent"
        - type: object
          properties:
            data:
              $ref: "#/components/schemas/PaymentPendingValidation"
    EventPaymentReserved:
      description: Event structure for payment reserved
      allOf:
        - $ref: "#/components/schemas/CloudEvent"
        - type: object
          properties:
            data:
              $ref: "#/components/schemas/PaymentReserved"
    EventPaymentCompleted:
      description: Event structure for payment completed
      allOf:
        - $ref: "#/components/schemas/CloudEvent"
        - type: object
          properties:
            data:
              $ref: "#/components/schemas/PaymentCompleted"
    EventPaymentCancelled:
      description: Event structure for payment cancelled
      allOf:
        - $ref: "#/components/schemas/CloudEvent"
        - type: object
          properties:
            data:
              $ref: "#/components/schemas/PaymentCancelled"
    EventPaymentDenied:
      description: Event structure for payment denied
      allOf:
        - $ref: "#/components/schemas/CloudEvent"
        - type: object
          properties:
            data:
              $ref: "#/components/schemas/PaymentDenied"
    PaymentPendingValidation:
      allOf:
        - description: Event detail structure for org.camaraproject.carrier-billing.v0.payment-pending-validation event
        - $ref: "#/components/schemas/BasicEvent"
    PaymentReserved:
      allOf:
        - description: Event detail structure for org.camaraproject.carrier-billing.v0.payment-reserved event
        - $ref: "#/components/schemas/BasicEvent"
    PaymentCompleted:
      allOf:
        - description: Event detail structure for org.camaraproject.carrier-billing.v0.payment-completed event
        - $ref: "#/components/schemas/BasicEvent"
        - type: object
          required:
            - paymentDate
          properties:
            paymentDate:
              type: string
              description: Date when the payment is effectively performed, both in 1-step and 2-step scenarios. This is a business information. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
              format: date-time
              example: "2023-11-03T12:27:08.312Z"
    PaymentCancelled:
      allOf:
        - description: Event detail structure for org.camaraproject.carrier-billing.v0.payment-cancelled event
        - $ref: "#/components/schemas/BasicEvent"
    PaymentDenied:
      allOf:
        - description: Event detail structure for org.camaraproject.carrier-billing.v0.payment-denied event
        - $ref: "#/components/schemas/BasicEvent"
        - type: object
          properties:
            denialReason:
              type: string
              description: Indicates the business reason for denying the payment.
              example: "User is blocked due to pending debt"
    BasicEvent:
      type: object
      description: Data type to provide basic payment event information
      required:
        - paymentId
        - status
        - description
      properties:
        paymentId:
          type: string
          description: Unique Identifier of the payment
          example: "AK234rfweSBuWGFUEWFGWEVWRV"
        status:
          type: string
          enum:
            - succeeded
            - failed
          description: |-
            Status of the procedure. Possible status are:
            * `succeeded`: procedure was accomplished
            * `failed`: procedure failed.
        description:
          type: string
          description: Description of the notification, both used when process was `succeeded` or `failed` indicating in the latter case human understable reason about why process failed.
          example: "Payment Notification"
    ErrorInfo:
      type: object
      required:
        - status
        - code
        - message
      properties:
        status:
          type: integer
          description: HTTP response status code
        code:
          type: string
          description: A human-readable code to describe the error
        message:
          type: string
          description: A human-readable description of what the event represents
  responses:
    Generic400:
      description: Bad Request
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 400
                  code:
                    enum:
                      - INVALID_ARGUMENT
          examples:
            GENERIC_400_INVALID_ARGUMENT:
              summary: Generic Invalid Argument
              description: Invalid Argument. Generic Syntax Exception
              value:
                status: 400
                code: INVALID_ARGUMENT
                message: Client specified an invalid argument, request body or query param.
    GetPaymentsInvalid400:
      description: |-
        Invalid input. In addition to regular INVALID_ARGUMENT scenario other scenarios may exist:
          - Inconsistent paymentCreationDate.gte and paymentCreationDate.lte values ("code": "CARRIER_BILLING.INVALID_DATE_RANGE","message": "Client specified an invalid date range").
          - Request out of range ("code": "OUT_OF_RANGE","message": "Client specified an invalid range").
          - Too many matching records found ("code": "CARRIER_BILLING.TOO_MANY_MATCHING_RECORDS","message": "Too many matching records found. Specify additional/suitable criteria to limit the number of records.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 400
                  code:
                    enum:
                      - INVALID_ARGUMENT
                      - OUT_OF_RANGE
                      - CARRIER_BILLING.INVALID_DATE_RANGE
                      - CARRIER_BILLING.TOO_MANY_MATCHING_RECORDS
          examples:
            GENERIC_400_INVALID_ARGUMENT:
              summary: Generic Invalid Argument
              description: Invalid Argument. Generic Syntax Exception
              value:
                status: 400
                code: INVALID_ARGUMENT
                message: Client specified an invalid argument, request body or query param.
            GENERIC_400_INVALID_DATE_RANGE:
              summary: Generic Invalid Date Range
              description: Inconsistent paymentCreationDate.gte and paymentCreationDate.lte values
              value:
                status: 400
                code: CARRIER_BILLING.INVALID_DATE_RANGE
                message: "Client specified an invalid date range."
            GENERIC_400_OUT_OF_RANGE:
              summary: Generic Out Of Range
              description: Out of Range. Specific Syntax Exception used when a given field has a pre-defined range or a invalid filter criteria combination is requested
              value:
                status: 400
                code: OUT_OF_RANGE
                message: Client specified an invalid range.
            GENERIC_400_TOO_MANY_MATCHING_RECORDS:
              summary: Generic Too Many Matching Records
              description: Too many matching records found
              value:
                status: 400
                code: CARRIER_BILLING.TOO_MANY_MATCHING_RECORDS
                message: "Too many matching records found. Specify additional/suitable criteria to limit the number of records."
    PaymentInvalid400:
      description: |-
        Invalid input.
        Common INVALID_ARGUMENT scenarios usually are:
          - Schema validation failed ("code": "INVALID_ARGUMENT","message": "Client specified an invalid argument, request body or query param.").
          - Currency is unknown or not authorized ("code": "INVALID_ARGUMENT","message": "Currency is unknown or not authorized").
          - clientCorrelator still exist ("code": "INVALID_ARGUMENT","message": "clientCorrelator already exist on server").

        In addition to regular INVALID_ARGUMENT scenario other scenarios may exist:
          - Invalid sink credential ("code": "INVALID_CREDENTIAL","message": "Only Access token is supported").
          - Invalid sink credential access token ("code": "INVALID_TOKEN","message": "Only bearer token is supported").
          - Invalid sink ("code": "INVALID_SINK","message": "sink not valid for the specified protocol").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 400
                  code:
                    enum:
                      - INVALID_ARGUMENT
                      - INVALID_CREDENTIAL
                      - INVALID_TOKEN
                      - INVALID_SINK
          examples:
            GENERIC_400_INVALID_ARGUMENT:
              summary: Generic Invalid Argument
              description: Invalid Argument. Generic Syntax Exception
              value:
                status: 400
                code: INVALID_ARGUMENT
                message: Client specified an invalid argument, request body or query param.
            GENERIC_400_WRONG_CURRENCY:
              summary: Generic Wrong Currency
              description: Currency is unknown or not authorized
              value:
                code: INVALID_ARGUMENT
                status: 400
                message: "Currency is unknown or not authorized."
            GENERIC_400_DUPLICATE_CLIENT_CORRELATOR:
              summary: Generic Duplicate Client Correlator
              description: clientCorrelator still exist
              value:
                code: INVALID_ARGUMENT
                status: 400
                message: "clientCorrelator already exist on server."
            GENERIC_400_INVALID_CREDENTIAL:
              summary: Generic Invalid Credential
              description: Invalid sink credential
              value:
                status: 400
                code: "INVALID_CREDENTIAL"
                message: "Only Access token is supported"
            GENERIC_400_INVALID_TOKEN:
              summary: Generic Invalid Token
              description: Invalid sink credential access token
              value:
                status: 400
                code: "INVALID_TOKEN"
                message: "Only bearer token is supported"
            GENERIC_400_INVALID_SINK:
              summary: Generic Invalid Sink
              description: Invalid sink value
              value:
                status: 400
                code: INVALID_SINK
                message: "sink not valid for the specified protocol"
    Payment2StepPrepareInvalid400:
      description: |-
        Invalid input.
        Common INVALID_ARGUMENT scenarios usually are:
          - Schema validation failed ("code": "INVALID_ARGUMENT","message": "Client specified an invalid argument, request body or query param.").
          - paymentId is required ("code": "INVALID_ARGUMENT","message": "Expected property is missing: paymentId.").

        In addition to regular INVALID_ARGUMENT scenario other scenarios may exist:
          - Invalid sink credential ("code": "INVALID_CREDENTIAL","message": "Only Access token is supported").
          - Invalid sink credential access token ("code": "INVALID_TOKEN","message": "Only bearer token is supported").
          - Invalid sink ("code": "INVALID_SINK","message": "sink not valid for the specified protocol").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 400
                  code:
                    enum:
                      - INVALID_ARGUMENT
                      - INVALID_CREDENTIAL
                      - INVALID_TOKEN
                      - INVALID_SINK
          examples:
            GENERIC_400_INVALID_ARGUMENT:
              summary: Generic Invalid Argument
              description: Invalid Argument. Generic Syntax Exception
              value:
                status: 400
                code: INVALID_ARGUMENT
                message: Client specified an invalid argument, request body or query param.
            GENERIC_400_PAYMENT_ID_REQUIRED:
              summary: Generic PaymentId required
              description: paymentId is required
              value:
                code: INVALID_ARGUMENT
                status: 400
                message: "Expected property is missing: paymentId."
            GENERIC_400_INVALID_CREDENTIAL:
              summary: Generic Invalid Credential
              description: Invalid sink credential
              value:
                status: 400
                code: "INVALID_CREDENTIAL"
                message: "Only Access token is supported"
            GENERIC_400_INVALID_TOKEN:
              summary: Generic Invalid Token
              description: Invalid sink credential access token
              value:
                status: 400
                code: "INVALID_TOKEN"
                message: "Only bearer token is supported"
            GENERIC_400_INVALID_SINK:
              summary: Generic Invalid Sink
              description: Invalid sink value
              value:
                status: 400
                code: INVALID_SINK
                message: "sink not valid for the specified protocol"
    Payment2StepInvalid400:
      description: |-
        Invalid input.
        Common INVALID_ARGUMENT scenarios usually are:
          - Schema validation failed ("code": "INVALID_ARGUMENT","message": "Client specified an invalid argument, request body or query param.").
          - paymentId is required ("code": "INVALID_ARGUMENT","message": "Expected property is missing: paymentId.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 400
                  code:
                    enum:
                      - INVALID_ARGUMENT
          examples:
            GENERIC_400_INVALID_ARGUMENT:
              summary: Generic Invalid Argument
              description: Invalid Argument. Generic Syntax Exception
              value:
                status: 400
                code: INVALID_ARGUMENT
                message: Client specified an invalid argument, request body or query param.
            GENERIC_400_PAYMENT_ID_REQUIRED:
              summary: Generic PaymentId required
              description: paymentId is required
              value:
                code: INVALID_ARGUMENT
                status: 400
                message: "Expected property is missing: paymentId."
    ValidatePaymentInvalid400:
      description: |-
        Invalid input.
        In addition to regular INVALID_ARGUMENT scenario other scenarios may exist:
          - authorizationId is not valid ("code": "CARRIER_BILLING.INVALID_AUTHORIZATION_ID","message": "Invalid authorizationId.").
          - code is not valid ("code": "CARRIER_BILLING.INVALID_CODE","message": "Invalid code.").
          - validation failed ("code": "CARRIER_BILLING.VALIDATION_FAILED","message": "the maximum number of attempts have been consumed for this validation.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 400
                  code:
                    enum:
                      - INVALID_ARGUMENT
                      - CARRIER_BILLING.INVALID_AUTHORIZATION_ID
                      - CARRIER_BILLING.INVALID_CODE
                      - CARRIER_BILLING.VALIDATION_FAILED
          examples:
            GENERIC_400_INVALID_ARGUMENT:
              summary: Generic Invalid Argument
              description: Invalid Argument. Generic Syntax Exception
              value:
                status: 400
                code: INVALID_ARGUMENT
                message: Client specified an invalid argument, request body or query param.
            GENERIC_400_AUTHORIZATION_ID_REQUIRED:
              summary: Generic AuthorizationId Required
              description: authorizationId is required
              value:
                code: INVALID_ARGUMENT
                status: 400
                message: "Expected property is missing: authorizationId."
            GENERIC_400_CODE_REQUIRED:
              summary: Generic Code Required
              description: code is required
              value:
                code: INVALID_ARGUMENT
                status: 400
                message: "Expected property is missing: code."
            GENERIC_400_INVALID_AUTHORIZATION_ID:
              summary: Generic Invalid Authorization Id
              description: authorizationId is not valid
              value:
                code: CARRIER_BILLING.INVALID_AUTHORIZATION_ID
                status: 400
                message: "Invalid authorizationId."
            GENERIC_400_INVALID_CODE:
              summary: Generic Invalid Code
              description: code is not valid
              value:
                code: CARRIER_BILLING.INVALID_CODE
                status: 400
                message: "Invalid code."
            GENERIC_400_VALIDATION_FAILED:
              summary: Generic Validation Failed
              description: validation failed
              value:
                code: CARRIER_BILLING.VALIDATION_FAILED
                status: 400
                message: "the maximum number of attempts have been consumed for this validation."
    Generic401:
      description: Unauthorized
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 401
                  code:
                    enum:
                      - UNAUTHENTICATED
          examples:
            GENERIC_401_UNAUTHENTICATED:
              description: Request cannot be authenticated and a new authentication is required
              value:
                status: 401
                code: UNAUTHENTICATED
                message: Request not authenticated due to missing, invalid, or expired credentials. A new authentication is required.
    Generic403:
      description: Forbidden
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 403
                  code:
                    enum:
                      - PERMISSION_DENIED
          examples:
            GENERIC_403_PERMISSION_DENIED:
              description: Permission denied. OAuth2 token access does not have the required scope or when the user fails operational security
              value:
                status: 403
                code: PERMISSION_DENIED
                message: Client does not have sufficient permissions to perform this action.
    PaymentPermissionDenied403:
      description: |-
        Client does not have sufficient permission.
        In addition to regular PERMISSION_DENIED scenario other scenarios may exist:
          - Payment denied by business ("code": "CARRIER_BILLING.PAYMENT_DENIED","message": "Payment denied by business.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 403
                  code:
                    enum:
                      - PERMISSION_DENIED
                      - CARRIER_BILLING.PAYMENT_DENIED
          examples:
            GENERIC_403_PERMISSION_DENIED:
              description: Permission denied. OAuth2 token access does not have the required scope or when the user fails operational security
              value:
                status: 403
                code: PERMISSION_DENIED
                message: Client does not have sufficient permissions to perform this action.
            GENERIC_403_PAYMENT_DENIED:
              summary: Generic Payment Denied
              description: Payment denied by business
              value:
                status: 403
                code: CARRIER_BILLING.PAYMENT_DENIED
                message: "Payment denied by business."
    PaymentConfirmPermissionDenied403:
      description: |-
        Client does not have sufficient permission.
        In addition to regular PERMISSION_DENIED scenario other scenarios may exist:
          - Payment denied by business ("code": "CARRIER_BILLING.PAYMENT_DENIED","message": "Payment denied by business.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 403
                  code:
                    enum:
                      - PERMISSION_DENIED
                      - CARRIER_BILLING.PAYMENT_DENIED
          examples:
            GENERIC_403_PERMISSION_DENIED:
              description: Permission denied. OAuth2 token access does not have the required scope or when the user fails operational security
              value:
                status: 403
                code: PERMISSION_DENIED
                message: Client does not have sufficient permissions to perform this action.
            GENERIC_403_PAYMENT_DENIED:
              summary: Generic Payment Denied
              description: Payment denied by business
              value:
                status: 403
                code: CARRIER_BILLING.PAYMENT_DENIED
                message: "Payment denied by business."
    PaymentCancelPermissionDenied403:
      description: |-
        Client does not have sufficient permission.
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 403
                  code:
                    enum:
                      - PERMISSION_DENIED
          examples:
            GENERIC_403_PERMISSION_DENIED:
              description: Permission denied. OAuth2 token access does not have the required scope or when the user fails operational security
              value:
                status: 403
                code: PERMISSION_DENIED
                message: Client does not have sufficient permissions to perform this action.
    Generic404:
      description: Resource Not Found
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 404
                  code:
                    enum:
                      - NOT_FOUND
          examples:
            GENERIC_404_NOT_FOUND:
              summary: Generic Not Found
              description: Resource is not found
              value:
                status: 404
                code: NOT_FOUND
                message: The specified resource is not found.
    IdentifierNotFound404:
      description: Phone Number Not Found
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 404
                  code:
                    enum:
                      - IDENTIFIER_NOT_FOUND
          examples:
            GENERIC_404_IDENTIFIER_NOT_FOUND:
              description: Some identifier cannot be matched to a device. In this API it refers to a phoneNumber.
              value:
                status: 404
                code: IDENTIFIER_NOT_FOUND
                message: phoneNumber not found.
    Identifier2StepNotFound404:
      description: |-
        Resource Not Found.
        In addition to regular NOT_FOUND scenario other scenarios may exist:
          - Phone Number not found ("code": "IDENTIFIER_NOT_FOUND","message": "phoneNumber not found.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 404
                  code:
                    enum:
                      - NOT_FOUND
                      - IDENTIFIER_NOT_FOUND
          examples:
            GENERIC_404_NOT_FOUND:
              description: Resource is not found
              value:
                status: 404
                code: NOT_FOUND
                message: The specified resource is not found.
            GENERIC_404_IDENTIFIER_NOT_FOUND:
              description: Some identifier cannot be matched to a device. In this API it refers to a phoneNumber.
              value:
                status: 404
                code: IDENTIFIER_NOT_FOUND
                message: phoneNumber not found.
    Generic409:
      description: Conflict
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 409
                  code:
                    enum:
                      - ALREADY_EXISTS
          examples:
            GENERIC_409_ALREADY_EXISTS:
              summary: Generic Already Exists
              description: Trying to create an existing resource
              value:
                status: 409
                code: ALREADY_EXISTS
                message: The resource that a client tried to create already exists.
    PaymentConfirmConflict409:
      description: |-
        Conflict. In addition of regular ALREADY_EXISTS scenario other scenarios may exist:
          - paymentId is already confirmed ("code": "CARRIER_BILLING.PAYMENT_CONFIRMED","message": "Payment has been confirmed.").
          - paymentId is already cancelled ("code": "CARRIER_BILLING.PAYMENT_CANCELLED","message": "Payment has been cancelled.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 409
                  code:
                    enum:
                      - ALREADY_EXISTS
                      - CARRIER_BILLING.PAYMENT_CONFIRMED
                      - CARRIER_BILLING.PAYMENT_CANCELLED
          examples:
            GENERIC_409_ALREADY_EXISTS:
              summary: Generic Already Exists
              description: Trying to create an existing resource
              value:
                status: 409
                code: ALREADY_EXISTS
                message: The resource that a client tried to create already exists.
            GENERIC_409_ALREADY_CONFIRMED:
              summary: Generic Already Confirmed
              description: paymentId is already confirmed
              value:
                code: CARRIER_BILLING.PAYMENT_CONFIRMED
                status: 409
                message: "Payment has been confirmed."
            GENERIC_409_ALREADY_CANCELLED:
              summary: Generic Already Cancelled
              description: paymentId is already cancelled
              value:
                code: CARRIER_BILLING.PAYMENT_CANCELLED
                status: 409
                message: "Payment has been cancelled."
    PaymentCancelConflict409:
      description: |-
        Conflict. In addition of regular ALREADY_EXISTS scenario other scenarios may exist:
          - paymentId is already confirmed ("code": "CARRIER_BILLING.PAYMENT_CONFIRMED","message": "Payment has been confirmed.").
          - paymentId is already cancelled ("code": "CARRIER_BILLING.PAYMENT_CANCELLED","message": "Payment has been cancelled.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 409
                  code:
                    enum:
                      - ALREADY_EXISTS
                      - CARRIER_BILLING.PAYMENT_CONFIRMED
                      - CARRIER_BILLING.PAYMENT_CANCELLED
          examples:
            GENERIC_409_ALREADY_EXISTS:
              summary: Generic Already Exists
              description: Trying to create an existing resource
              value:
                status: 409
                code: ALREADY_EXISTS
                message: The resource that a client tried to create already exists.
            GENERIC_409_ALREADY_CONFIRMED:
              summary: Generic Already Confirmed
              description: paymentId is already confirmed
              value:
                code: CARRIER_BILLING.PAYMENT_CONFIRMED
                status: 409
                message: "Payment has been confirmed."
            GENERIC_409_ALREADY_CANCELLED:
              summary: Generic Already Cancelled
              description: paymentId is already cancelled
              value:
                code: CARRIER_BILLING.PAYMENT_CANCELLED
                status: 409
                message: "Payment has been cancelled."
    Generic410:
      description: Gone
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 410
                  code:
                    enum:
                      - GONE
          examples:
            GENERIC_410_GONE:
              summary: Generic Gone
              description: Use in notifications flow to allow API Consumer to indicate that its callback is no longer available
              value:
                status: 410
                code: GONE
                message: Access to the target resource is no longer available.
    PaymentUnprocessable422:
      description: |-
        Client indicates content that is understable by the Server but unable to be processed.
        Scenarios that may exist:
          - Service not applicable for the provided identifier ("code": "SERVICE_NOT_APPLICABLE","message": "The service is not available for the provided identifier.")
          - An identifier is not included in the request and the device or phone number identification cannot be derived from the 3-legged access token ("code": "MISSING_IDENTIFIER","message": "The phone number cannot be identified.")
          - An explicit identifier is provided when a device or phone number has already been identified from the access token ("code": "UNNECESSARY_IDENTIFIER","message": "The phone number is already identified by the access token.")
          - Unauthorized amount requested ("code": "CARRIER_BILLING.UNAUTHORIZED_AMOUNT","message": "Unauthorized amount requested.").
          - Accumulated threshold amount for the user's mobile account overpassed ("code": "CARRIER_BILLING.USER_AMOUNT_THRESHOLD_OVERPASSED","message": "Unauthorized payment request. Accumulated user mobile payments overpass account amount threshold.").
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 422
                  code:
                    enum:
                      - SERVICE_NOT_APPLICABLE
                      - MISSING_IDENTIFIER
                      - UNNECESSARY_IDENTIFIER
                      - CARRIER_BILLING.UNAUTHORIZED_AMOUNT
                      - CARRIER_BILLING.USER_AMOUNT_THRESHOLD_OVERPASSED
          examples:
            GENERIC_422_SERVICE_NOT_APPLICABLE:
              description: Service not applicable for the provided identifier
              value:
                status: 422
                code: SERVICE_NOT_APPLICABLE
                message: The service is not available for the provided identifier.
            GENERIC_422_MISSING_IDENTIFIER:
              description: An identifier is not included in the request and the device or phone number identification cannot be derived from the 3-legged access token
              value:
                status: 422
                code: MISSING_IDENTIFIER
                message: The phone number cannot be identified.
            GENERIC_422_UNNECESSARY_IDENTIFIER:
              description: An explicit identifier is provided when a device or phone number has already been identified from the access token
              value:
                status: 422
                code: UNNECESSARY_IDENTIFIER
                message: The phone number is already identified by the access token.
            GENERIC_422_UNAUTHORIZED_AMOUNT:
              summary: Generic Unauthorized Amount
              description: Unauthorized amount requested
              value:
                status: 422
                code: CARRIER_BILLING.UNAUTHORIZED_AMOUNT
                message: "Unauthorized amount requested."
            GENERIC_422_USER_MOBILE_ACCUMULATED_THRESHOLD_AMOUNT_OVERPASSED:
              summary: Generic User Mobile Accumulated threshold Amount Overpassed
              description: Accumulated threshold amount for the user's mobile account overpassed
              value:
                status: 422
                code: CARRIER_BILLING.USER_AMOUNT_THRESHOLD_OVERPASSED
                message: "Unauthorized payment request. Accumulated user mobile payments overpass account amount threshold."
    PaymentSecondStepUnprocessable422:
      description: |-
        Client indicates content that is understable by the Server but unable to be processed.
        Scenarios that may exist:
          - Service not applicable for the provided identifier ("code": "SERVICE_NOT_APPLICABLE","message": "The service is not available for the provided identifier.")
          - An identifier is not included in the request and the device or phone number identification cannot be derived from the 3-legged access token ("code": "MISSING_IDENTIFIER","message": "The phone number cannot be identified.")
          - An explicit identifier is provided when a device or phone number has already been identified from the access token ("code": "UNNECESSARY_IDENTIFIER","message": "The phone number is already identified by the access token.")

      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 422
                  code:
                    enum:
                      - SERVICE_NOT_APPLICABLE
                      - MISSING_IDENTIFIER
                      - UNNECESSARY_IDENTIFIER
          examples:
            GENERIC_422_SERVICE_NOT_APPLICABLE:
              description: Service not applicable for the provided identifier
              value:
                status: 422
                code: SERVICE_NOT_APPLICABLE
                message: The service is not available for the provided identifier.
            GENERIC_422_MISSING_IDENTIFIER:
              description: An identifier is not included in the request and the device or phone number identification cannot be derived from the 3-legged access token
              value:
                status: 422
                code: MISSING_IDENTIFIER
                message: The phone number cannot be identified.
            GENERIC_422_UNNECESSARY_IDENTIFIER:
              description: An explicit identifier is provided when a device or phone number has already been identified from the access token
              value:
                status: 422
                code: UNNECESSARY_IDENTIFIER
                message: The phone number is already identified by the access token.
    Generic429:
      description: Too Many Requests
      headers:
        x-correlator:
          $ref: "#/components/headers/x-correlator"
      content:
        application/json:
          schema:
            allOf:
              - $ref: "#/components/schemas/ErrorInfo"
              - type: object
                properties:
                  status:
                    enum:
                      - 429
                  code:
                    enum:
                      - TOO_MANY_REQUESTS
          examples:
            GENERIC_429_TOO_MANY_REQUESTS:
              summary: Generic Too Many Requests
              description: Access to the API has been temporarily blocked due to rate or spike arrest limits being reached
              value:
                status: 429
                code: TOO_MANY_REQUESTS
                message: Rate limit reached.
  parameters:
    x-correlator:
      name: x-correlator
      in: header
      description: Correlation id for the different services
      schema:
        $ref: "#/components/schemas/XCorrelator"
    Page:
      name: page
      in: query
      description: Requested index to indicate the start of the resources to be provided in the response
      schema:
        type: integer
        default: 1
    PerPage:
      name: perPage
      in: query
      description: Requested number of resources to be provided in response
      schema:
        type: integer
        default: 10
    StartPaymentCreationDate:
      description: Initial `paymentCreationDate` for running the query. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
      in: query
      name: paymentCreationDate.gte
      required: false
      schema:
        format: date-time
        type: string
    EndPaymentCreationDate:
      description: End `paymentCreationDate` for running the query. It must follow [RFC 3339](https://datatracker.ietf.org/doc/html/rfc3339#section-5.6) and must have time zone.
      in: query
      name: paymentCreationDate.lte
      required: false
      schema:
        format: date-time
        type: string
    Order:
      description: Used to return the sorted results in descending (default) or ascending order, based on `paymentCreationDate` property
      in: query
      name: order
      required: false
      schema:
        default: desc
        enum:
          - desc
          - asc
        type: string
    PaymentStatus:
      description: List of payment status to be considered for the query
      in: query
      name: paymentStatus
      required: false
      schema:
        type: array
        items:
          type: string
          enum:
            - processing
            - pending_validation
            - denied
            - reserved
            - succeeded
            - cancelled
    MerchantIdentifier:
      description: Merchant identifier to filter the results
      in: query
      name: merchantIdentifier
      required: false
      schema:
        type: string
  headers:
    x-correlator:
      description: Correlation id for the different services
      schema:
        $ref: "#/components/schemas/XCorrelator"
    Content-Last-Key:
      description: Indicates the index of the last result provided in the response
      schema:
        type: integer
    X-Total-Count:
      description: Total number of items matching criteria
      schema:
        type: integer