---
title: "Check a Credential Connection Registration Status"
method: POST
path: "/credential_connections/{id}/actions/check_registration_status"
tags: ["Credential Connections"]
---

# Check a Credential Connection Registration Status

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

Checks the registration_status for a credential connection, (`registration_status`) as well as the timestamp for the last SIP registration event (`registration_status_updated_at`)

## Path parameters

- `id` string, required

## Response `200`

Successful response with details about a credential connection registration status.

- object
  - `data` object
    - `record_type` string — Identifies the type of the resource.
    - `status` 'Not Applicable' | 'Not Registered' | 'Failed' | 'Expired' | 'Registered' | 'Unregistered' — The current registration status of your SIP connection
    - `sip_username` string — The user name of the SIP connection
    - `ip_address` string — The ip used during the SIP connection
    - `transport` string — The protocol of the SIP connection
    - `port` integer — The port of the SIP connection
    - `user_agent` string — The user agent of the SIP connection
    - `last_registration` string — ISO 8601 formatted date indicating when the resource was last updated.

## Other responses

- `400` — Bad request, the request was unacceptable, often due to missing a required parameter.
- `401` — Unauthorized
- `403` — The user doesn't have the required permissions to perform the requested action.
- `404` — The requested resource doesn't exist.

---

[API](https://skmtc.net/team-telnyx/apis/telnyx-api-2.md) · [All operations](https://skmtc.net/team-telnyx/apis/telnyx-api-2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/team-telnyx/telnyx-api-2/versions/8f5f4e537994/schema)
