---
title: "OAuth Dynamic Client Registration Endpoint"
method: POST
path: "/oauth/register"
tags: ["MCP OAuth"]
---

# OAuth Dynamic Client Registration Endpoint

`POST /oauth/register`

OAuth 2.0 Dynamic Client Registration (RFC 7591). Registers a public client for the MCP OAuth flow; throttled per source IP

## Request body

- ClientRegistrationRequest
  - `client_name` string, required
  - `redirect_uris` string[], required
  - `logo_uri` string
  - `software_id` string
  - `software_version` string
  - `client_uri` string

## Response `201`

Registered client metadata

- ClientRegistrationResponse
  - `client_id` string
  - `client_id_issued_at` integer
  - `client_name` string
  - `logo_uri` string
  - `software_id` string
  - `software_version` string
  - `client_uri` string
  - `redirect_uris` string[]
  - `token_endpoint_auth_method` string
  - `grant_types` string[]
  - `response_types` string[]

## Other responses

- `429` — Registration rate limit exceeded

## Changes

- **2026-09-17** `8c796b1f9089` — 6 info
  - added the new optional request property `client_uri`
  - added the new optional request property `software_id`
  - added the new optional request property `software_version`
  - added the optional property `client_uri` to the response with the `201` status
  - …2 more
- **2026-06-17** `cc3d16e25f83` — 1 breaking
  - request body became required
- **2026-06-15** `c512aa9744a1` — 1 info
  - endpoint added
- **2026-05-04** `d606e84c75e4` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/comet-ml/apis/opik-rest-api/changes/oauth/register/post.md)

---

[API](https://skmtc.dev/comet-ml/apis/opik-rest-api.md) · [All operations](https://skmtc.dev/comet-ml/apis/opik-rest-api/llms.txt) · [OpenAPI document](https://skmtc.dev/comet-ml/apis/opik-rest-api/revisions/3ab3b8180ae9?raw)