---
title: "Changes to Create an Access Token."
method: POST
path: "/telephony_credentials/{id}/token"
---

# Changes to Create an Access Token.

`POST /telephony_credentials/{id}/token`

> Every recorded change to this operation, newest first.
> 152 revisions in range; 1 not diffed.

## Timeline

Changed in 1 of 152 revisions.

- **2026-10-21** `30cbe026a97e`: 5 info

## Changes

- **2026-10-21** `30cbe026a97e`: 5 info
  - added the new optional `header` request parameter `Idempotency-Key`
  - added the non-success response with the status `400`
  - added the non-success response with the status `409`
  - added the non-success response with the status `422`
  - added the non-success response with the status `503`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/telephony_credentials/:id/token/post.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/telephony_credentials/:id/token/post)