---
title: "Changes to Add test numbers to sender for project"
method: POST
path: "/v1/projects/{projectId}/rcs/senders/{senderId}/testNumbers"
---

# Changes to Add test numbers to sender for project

`POST /v1/projects/{projectId}/rcs/senders/{senderId}/testNumbers`

> Every recorded change to this operation, newest first.
> 17 revisions in range; 1 not diffed.

## Timeline

Changed in 3 of 17 revisions.

- **2026-10-05** `30f63d8c2864`: 2 warning
- **2026-09-01** `c6a937922d10`: 6 breaking, 30 info
- **2026-08-18** `c78a716de420`: 1 info

## Changes

- **2026-10-05** `30f63d8c2864`: 2 warning
  - added the new `EXPIRED` enum value to the `testNumbers/items/state/allOf[#/components/schemas/RcsTestNumberStatesEnum]/` response property for the response status `200`
  - added the new `FAILED` enum value to the `testNumbers/items/state/allOf[#/components/schemas/RcsTestNumberStatesEnum]/` response property for the response status `200`
- **2026-09-01** `c6a937922d10`: 6 breaking, 30 info
  - the response's body type changed from no type to `object` for status `400`
  - the response's body type changed from no type to `object` for status `401`
  - the response's body type changed from no type to `object` for status `404`
  - the response's body type changed from no type to `object` for status `429`
  - the response's body type changed from no type to `object` for status `500`
  - the `testNumbers/items/state` response's property type changed from `string` to no type for status `200`
  - removed `subschema #1: InvalidIdFormatErrorTitle, subschema #2: InvalidInputErrorTitle, subschema #3: NoGoogleSupplierErrorTitle, subschema #4: AddTestNumberInvalidErrorTitle, subschema #5: InvalidRegionForAttSupplierErrorTitle` from the response body `oneOf` list for the response status `400`
  - removed `subschema #1: ProjectNotFoundErrorTitle, subschema #2: SenderNotFoundErrorTitle, subschema #3: AddTestNumberNotAllowedBeforeLaunchErrorTitle, subschema #4: BlockedBecauseTheRecipientDeclinedErrorTitle, subschema #5: UserCannotBeReachedErrorTitle` from the response body `oneOf` list for the response status `404`
  - added the optional property `additionalInformation` to the response with the `400` status
  - added the optional property `additionalInformation` to the response with the `401` status
  - added the optional property `additionalInformation` to the response with the `404` status
  - added the optional property `additionalInformation` to the response with the `429` status
  - added the optional property `additionalInformation` to the response with the `500` status
  - added `#/components/schemas/RcsTestNumberStatesEnum` to the `testNumbers/items/state` response property `allOf` list for the response status `200`
  - the response property `errorCode` became required for the status `401`
  - the response property `errorCode` became required for the status `429`
  - the response property `errorCode` became required for the status `500`
  - the response property `message` became required for the status `401`
  - the response property `message` became required for the status `429`
  - the response property `message` became required for the status `500`
  - the response property `resolution` became required for the status `401`
  - the response property `resolution` became required for the status `429`
  - the response property `resolution` became required for the status `500`
  - removed the `DECLINED` enum value from the `testNumbers/items/state` response property for the response status `200`
  - removed the `INVALID` enum value from the `testNumbers/items/state` response property for the response status `200`
  - removed the `PENDING` enum value from the `testNumbers/items/state` response property for the response status `200`
  - removed the `REJECTED` enum value from the `testNumbers/items/state` response property for the response status `200`
  - removed the `UNRECOGNIZED` enum value from the `testNumbers/items/state` response property for the response status `200`
  - removed the `UNVERIFIED` enum value from the `testNumbers/items/state` response property for the response status `200`
  - removed the `VERIFIED` enum value from the `testNumbers/items/state` response property for the response status `200`
  - added the required property `errorCode` to the response with the `400` status
  - added the required property `errorCode` to the response with the `404` status
  - added the required property `message` to the response with the `400` status
  - added the required property `message` to the response with the `404` status
  - added the required property `resolution` to the response with the `400` status
  - added the required property `resolution` to the response with the `404` status
- **2026-08-18** `c78a716de420`: 1 info
  - api operation id `SendersController_addTestNumbers_v1` removed and replaced with `RcsSendersController_addTestNumbers_v1`

---

[Operation](https://skmtc.dev/sinch/apis/provisioning-api/docs/v1/projects/:projectId/rcs/senders/:senderId/testNumbers/post.md) - [API](https://skmtc.dev/sinch/apis/provisioning-api.md) - [Page](https://skmtc.dev/sinch/apis/provisioning-api/changes/v1/projects/:projectId/rcs/senders/:senderId/testNumbers/post)