# API Readiness Checklist Checklist for device-data-volume-subscriptions v0.1.0 in r1.3 | Nr | API release assets | alpha | release-candidate | initial
public | stable
public | Status | Reference information | |----|----------------------------------------------|:-----:|:-----------------:|:-----------------:|:-----------------:|:------:|:----------------------------------------------------------------------------------------------------:| | 1 | API definition | M | M | M | M | Y | [device-data-volume-subscriptions.yaml](/code/API_definitions/device-data-volume-subscriptions.yaml) | | 2 | Design guidelines from Commonalities applied | O | M | M | M | Y | r3.3 | | 3 | Guidelines from ICM applied | O | M | M | M | Y | r3.3 | | 4 | API versioning convention applied | M | M | M | M | Y | | | 5 | API documentation | M | M | M | M | Y | in yaml | | 6 | User stories | O | O | O | M | N | | | 7 | Basic API test cases & documentation | O | M | M | M | Y | [subscriptions.feature](/code/Test_definitions/device-data-volume-subscriptions.feature) | | 8 | Enhanced API test cases & documentation | O | O | O | M | Y | [subscriptions.feature](/code/Test_definitions/device-data-volume-subscriptions.feature) | | 9 | Test result statement | O | O | O | M | N | | | 10 | API release numbering convention applied | M | M | M | M | Y | | | 11 | Change log updated | M | M | M | M | Y | [CHANGELOG.md](/CHANGELOG.md) | | 12 | Previous public release was certified | O | O | O | M | N | | | 13 | API description (for marketing) | O | O | M | M | N | [wiki link](https://lf-camaraproject.atlassian.net/wiki/x/PIPFBQ) |