---
title: "OAuth 2.1 authorization server metadata"
method: GET
path: "/.well-known/oauth-authorization-server"
tags: ["oauth-server"]
---

# OAuth 2.1 authorization server metadata

`GET /.well-known/oauth-authorization-server`

## Request

- Base URL: `https://api.crosmos.dev`
- URL: `https://api.crosmos.dev/.well-known/oauth-authorization-server`
- Auth: none declared
- TypeScript: <https://skmtc.dev/crosmos/apis/crosmos-api/docs/.well-known/oauth-authorization-server/get.ts> (a function with typed inputs; its response is checked against the schema)

## Response `200`

Metadata

- OAuthAuthorizationServerMetadata
  - `issuer` string, required
  - `authorization_endpoint` string, required
  - `token_endpoint` string, required
  - `registration_endpoint` string, required
  - `response_types_supported` string[], required
  - `grant_types_supported` string[], required
  - `token_endpoint_auth_methods_supported` string[], required
  - `code_challenge_methods_supported` string[], required

---

[API](https://skmtc.dev/crosmos/apis/crosmos-api.md) - [All operations](https://skmtc.dev/crosmos/apis/crosmos-api/llms.txt) - [OpenAPI document](https://skmtc.dev/crosmos/apis/crosmos-api/revisions/55772030ddd3?raw)