---
title: "Changes to Create a UAC connection"
method: POST
path: "/uac_connections"
---

# Changes to Create a UAC connection

`POST /uac_connections`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 61 revisions.

- **2026-08-03** `cd8ca7971884` — 2 info
- **2026-07-03** `4a9f0e65ddd7` — 2 info
- **2026-07-02** `224ed0d8a5c3` — 2 warning

## Changes

- **2026-08-03** `cd8ca7971884` — 2 info
  - added the new optional request property `external_uac_settings/user_agent`
  - added the optional property `data/external_uac_settings/user_agent` to the response with the `201` status
- **2026-07-03** `4a9f0e65ddd7` — 2 info
  - added the new optional request property `inbound/sip_region`
  - added the optional property `data/inbound/sip_region` to the response with the `201` status
- **2026-07-02** `224ed0d8a5c3` — 2 warning
  - removed the request property `inbound/sip_region`
  - removed the optional property `data/inbound/sip_region` from the response with the `201` status

---

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