---
title: "Register"
method: POST
path: "/oauth/register"
tags: ["oauth"]
---

# Register

`POST /oauth/register`

RFC 7591 dynamic client registration (JSON).

## Request body

- ClientRegistrationRequest — RFC 7591 registration body; unknown metadata is ignored, not stored.
  - `client_name` string, nullable
  - `redirect_uris` string[], required
  - `token_endpoint_auth_method` 'none' | 'client_secret_post'
  - `grant_types` string[]
  - `response_types` string[]

## Response `201`

Successful Response

- ClientRegistrationResponse
  - `client_id` string, required
  - `client_id_issued_at` integer, required
  - `client_name` string, nullable
  - `redirect_uris` string[], required
  - `token_endpoint_auth_method` 'none' | 'client_secret_post', required
  - `grant_types` string[]
  - `response_types` string[]
  - `client_secret` string, nullable
  - `client_secret_expires_at` integer, nullable

## Other responses

- `422` — Validation Error

## Changes

> 30 revisions in range; 1 not diffed.

- **2026-09-28** `194603293b23` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/helloaxel/apis/client-api-gateway/changes/oauth/register/post.md)

---

[API](https://skmtc.dev/helloaxel/apis/client-api-gateway.md) · [All operations](https://skmtc.dev/helloaxel/apis/client-api-gateway/llms.txt) · [OpenAPI document](https://skmtc.dev/helloaxel/apis/client-api-gateway/revisions/8f7eca7ced4d?raw)