---
title: "Dynamic client registration"
method: POST
path: "/oauth/register"
tags: ["OAuth Protocol"]
---

# Dynamic client registration

`POST /oauth/register`

Register a new OAuth client dynamically (RFC 7591)

## Request body

- OAuthDynamicRegistrationRequest
  - `redirect_uris` string[] — Array of redirection URI strings for use in redirect-based flows
  - `client_name` string — Human-readable string name of the client to be presented to the end-user
  - `grant_types` string[] — Array of OAuth 2.0 grant type strings that the client may use
  - `response_types` string[] — Array of the OAuth 2.0 response type strings that the client may use
  - `scope` string — Space-separated string of scope values that the client may use
  - `token_endpoint_auth_method` 'none' | 'client_secret_basic' | 'client_secret_post' — Authentication method for the token endpoint
  - `logo_uri` string, uri — URL of the client logo
  - `tos_uri` string, uri — URL of the client's terms of service
  - `policy_uri` string, uri — URL of the client's privacy policy

## Response `201`

Client registered successfully

- OAuthDynamicRegistrationResponse
  - `client_id` string, required — Unique client identifier
  - `client_secret` string — Client secret (only for confidential clients)
  - `redirect_uris` string[] — Array of redirection URIs
  - `client_name` string — Human-readable client name
  - `grant_types` string[] — Array of allowed grant types
  - `response_types` string[] — Array of allowed response types
  - `scope` string — Space-separated scope values
  - `token_endpoint_auth_method` string — Token endpoint authentication method
  - `client_id_issued_at` integer, required — Unix timestamp of when the client ID was issued
  - `logo_uri` string, uri — URL of the client logo
  - `tos_uri` string, uri — URL of the client's terms of service
  - `policy_uri` string, uri — URL of the client's privacy policy

## Other responses

- `400` — Invalid client metadata

---

[API](https://skmtc.net/team-telnyx/apis/telnyx-api.md) · [All operations](https://skmtc.net/team-telnyx/apis/telnyx-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/team-telnyx/telnyx-api/versions/e32d46c5945b/schema)