---
title: "Changes to Request v3 Access Token"
method: POST
path: "/authenticationservices/v3/oauth/token"
---

# Changes to Request v3 Access Token

`POST /authenticationservices/v3/oauth/token`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-06** `32b7b9eec629`: 14 breaking, 14 warning, 23 info

## Changes

- **2026-11-06** `32b7b9eec629`: 14 breaking, 14 warning, 23 info
  - the response's body type changed from `object` to no type for status `200` (media type: application/json)
  - the response's body type changed from `object` to no type for status `200` (media type: application/xml)
  - removed the required property `httpCode` from the response with the `400` status (media type: application/json)
  - removed the required property `httpCode` from the response with the `400` status (media type: application/xml)
  - removed the required property `httpCode` from the response with the `401` status (media type: application/json)
  - removed the required property `httpCode` from the response with the `401` status (media type: application/xml)
  - removed the required property `httpCode` from the response with the `404` status (media type: application/json)
  - removed the required property `httpCode` from the response with the `404` status (media type: application/xml)
  - removed the required property `httpCode` from the response with the `405` status (media type: application/json)
  - removed the required property `httpCode` from the response with the `405` status (media type: application/xml)
  - removed the required property `httpCode` from the response with the `415` status (media type: application/json)
  - removed the required property `httpCode` from the response with the `415` status (media type: application/xml)
  - removed the required property `httpCode` from the response with the `500` status (media type: application/json)
  - removed the required property `httpCode` from the response with the `500` status (media type: application/xml)
  - removed the optional property `httpMessage` from the response with the `400` status (media type: application/json)
  - removed the optional property `httpMessage` from the response with the `400` status (media type: application/xml)
  - removed the optional property `httpMessage` from the response with the `401` status (media type: application/json)
  - removed the optional property `httpMessage` from the response with the `401` status (media type: application/xml)
  - removed the optional property `httpMessage` from the response with the `404` status (media type: application/json)
  - removed the optional property `httpMessage` from the response with the `404` status (media type: application/xml)
  - removed the optional property `httpMessage` from the response with the `405` status (media type: application/json)
  - removed the optional property `httpMessage` from the response with the `405` status (media type: application/xml)
  - removed the optional property `httpMessage` from the response with the `415` status (media type: application/json)
  - removed the optional property `httpMessage` from the response with the `415` status (media type: application/xml)
  - removed the optional property `httpMessage` from the response with the `500` status (media type: application/json)
  - removed the optional property `httpMessage` from the response with the `500` status (media type: application/xml)
  - removed the optional property `token` from the response with the `200` status (media type: application/json)
  - removed the optional property `token` from the response with the `200` status (media type: application/xml)
  - the endpoint scheme security `Basic_Authentication` was added to the API
  - the endpoint scheme security `Basic Authentication` was removed from the API
  - api tag `Authentication v3` added
  - added the optional property `access_token` to the response with the `200` status (media type: application/json)
  - added the optional property `access_token` to the response with the `200` status (media type: application/xml)
  - added the optional property `errorMessage` to the response with the `400` status (media type: application/json)
  - added the optional property `errorMessage` to the response with the `400` status (media type: application/xml)
  - added the optional property `errorMessage` to the response with the `401` status (media type: application/json)
  - added the optional property `errorMessage` to the response with the `401` status (media type: application/xml)
  - added the optional property `errorMessage` to the response with the `404` status (media type: application/json)
  - added the optional property `errorMessage` to the response with the `404` status (media type: application/xml)
  - added the optional property `errorMessage` to the response with the `405` status (media type: application/json)
  - …11 more

---

[Operation](https://skmtc.dev/citi/apis/authentication-services/docs/authenticationservices/v3/oauth/token/post.md) - [API](https://skmtc.dev/citi/apis/authentication-services.md) - [Page](https://skmtc.dev/citi/apis/authentication-services/changes/authenticationservices/v3/oauth/token/post)