---
title: "App MCP dynamic client registration"
method: POST
path: "/_run402/oauth/register"
tags: ["Stable Hosts"]
---

# App MCP dynamic client registration

`POST /_run402/oauth/register`

## Request

- Base URL: `https://api.run402.com`
- URL: `https://api.run402.com/_run402/oauth/register`
- Auth: none required

RFC 7591 registration of a public client (1-10 https or loopback redirect_uris). Client ID Metadata Documents need no registration.

## Request body

- object

## Response `201`

The registered client.

- object

## Other responses

- `400`: OAuth error body (`error`, `error_description`), RFC 6749 §5.2.
- `429`: Rate limited; `Retry-After`.

---

[API](https://skmtc.dev/run402/apis/run402-api.md) · [All operations](https://skmtc.dev/run402/apis/run402-api/llms.txt) · [OpenAPI document](https://skmtc.dev/run402/apis/run402-api/revisions/893607557f50?raw)