---
title: "Changes to Check a UAC Connection Registration Status"
method: POST
path: "/uac_connections/{id}/actions/check_registration_status"
---

# Changes to Check a UAC Connection Registration Status

`POST /uac_connections/{id}/actions/check_registration_status`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 89 revisions.

- **2026-10-15** `a72569d69430`: 6 breaking
- **2026-05-08** `30cb1ddce91b`: 1 info

## Changes

- **2026-10-15** `a72569d69430`: 6 breaking
  - the response property `data/ip_address` became nullable for the status `200`
  - the response property `data/last_registration` became nullable for the status `200`
  - the response property `data/port` became nullable for the status `200`
  - the response property `data/sip_username` became nullable for the status `200`
  - the response property `data/transport` became nullable for the status `200`
  - the response property `data/user_agent` became nullable for the status `200`
- **2026-05-08** `30cb1ddce91b`: 1 info
  - endpoint added

---

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