---
title: "Changes to Complete Backchannel Authentication"
method: POST
path: "/api/{serviceId}/backchannel/authentication/complete"
---

# Changes to Complete Backchannel Authentication

`POST /api/{serviceId}/backchannel/authentication/complete`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 19 revisions.

- **2026-08-03** `7ad74ab64749`: 2 info
- **2025-12-18** `504771740022`: 2 info

## Changes

- **2026-08-03** `7ad74ab64749`: 2 info
  - added the non-success response with the status `429`
  - added the optional property `consentedClaims` to the response with the `200` status
- **2025-12-18** `504771740022`: 2 info
  - added the optional property `metadataDocumentLocation` to the response with the `200` status
  - added the optional property `metadataDocumentUsed` to the response with the `200` status

---

[Operation](https://skmtc.dev/authlete/apis/authlete-api/docs/api/:serviceId/backchannel/authentication/complete/post.md) - [API](https://skmtc.dev/authlete/apis/authlete-api.md) - [Page](https://skmtc.dev/authlete/apis/authlete-api/changes/api/:serviceId/backchannel/authentication/complete/post)