# Carrier Billing API roadmap

**Phase 1 Features - Initial Version**
* Individual Payments Procedure
* Retrieve Details of a Payment Procedure
* OTP Payment validation (2FA SMS OTP)
* (Highly desired) 1-step / 2-step working mode
* (Highly desired) List of Payments Details per Service Provider and Customer (finding a solution to show only the payments performed by such an Service Provider)

**Phase 2 Features - Future Versions**
* Support for Notifications
* Recurring Payments Procedure
* Refund Payments Procedure
* Features like 3DS secure banking