---
title: "Changes to Create Registration"
method: POST
path: "/v3/portals/{portalId}/applications/{applicationId}/registrations"
---

# Changes to Create Registration

`POST /v3/portals/{portalId}/applications/{applicationId}/registrations`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 87 revisions.

- **2026-10-15** `7aab863a6daa`: 1 breaking, 2 warning
- **2026-09-25** `68d43091b84d`: 4 warning
- **2026-09-18** `f324fb7610e4`: 4 breaking, 30 info
- **2026-09-07** `d2254a6fbee0`: 1 info
- **2026-07-16** `a2e95e9f6c80`: 1 info

## Changes

- **2026-10-15** `7aab863a6daa`: 1 breaking, 2 warning
  - added `#/components/schemas/InvalidParameterMinimumTime, #/components/schemas/InvalidParameterMaximumTime` to the `invalid_parameters/items/` response property `oneOf` list for the response status `400`
  - added the new `key_invalid` enum value to the `invalid_parameters/items/oneOf[#/components/schemas/InvalidParameterStandard]/rule` response property for the response status `400`
  - added the new `unique` enum value to the `invalid_parameters/items/oneOf[#/components/schemas/InvalidParameterStandard]/rule` response property for the response status `400`
- **2026-09-25** `68d43091b84d`: 4 warning
  - added the new `400.00` enum value to the `status` response property for the response status `400`
  - added the new `403.00` enum value to the `status` response property for the response status `403`
  - added the new `404.00` enum value to the `status` response property for the response status `404`
  - added the new `409.00` enum value to the `status` response property for the response status `409`
- **2026-09-18** `f324fb7610e4`: 4 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 `403`
  - 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 `409`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `400`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `401`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `403`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `404`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `409`
  - added the optional property `type` to the response with the `400` status
  - added the optional property `type` to the response with the `403` status
  - added the optional property `type` to the response with the `404` status
  - added the optional property `type` to the response with the `409` status
  - the response property `detail` became required for the status `401`
  - the response property `instance` became required for the status `401`
  - the response property `status` became required for the status `401`
  - the response property `title` became required for the status `401`
  - added the required property `detail` to the response with the `400` status
  - added the required property `detail` to the response with the `403` status
  - added the required property `detail` to the response with the `404` status
  - added the required property `detail` to the response with the `409` status
  - added the required property `instance` to the response with the `400` status
  - added the required property `instance` to the response with the `403` status
  - added the required property `instance` to the response with the `404` status
  - added the required property `instance` to the response with the `409` status
  - added the required property `invalid_parameters` to the response with the `400` status
  - added the required property `status` to the response with the `400` status
  - added the required property `status` to the response with the `403` status
  - added the required property `status` to the response with the `404` status
  - added the required property `status` to the response with the `409` status
  - added the required property `title` to the response with the `400` status
  - added the required property `title` to the response with the `403` status
  - added the required property `title` to the response with the `404` status
  - added the required property `title` to the response with the `409` status
- **2026-09-07** `d2254a6fbee0`: 1 info
  - added the new optional request property `additional_data`
- **2026-07-16** `a2e95e9f6c80`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/kong/apis/konnect-api-go-sdk/docs/v3/portals/:portalId/applications/:applicationId/registrations/post.md) · [API](https://skmtc.dev/kong/apis/konnect-api-go-sdk.md) · [Page](https://skmtc.dev/kong/apis/konnect-api-go-sdk/changes/v3/portals/:portalId/applications/:applicationId/registrations/post)