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Telnyx OAuth Discovery API

The OAuth Discovery API from Telnyx — 2 operation(s) for oauth discovery.

Telnyx OAuth Discovery API is one of 168 APIs that Telnyx publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include OAuth Discovery. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 2 operations across 2 paths, and defines 3 schemas. It is described by OpenAPI 3.1.0, at version 2.0.0.

Requests are made against a single base URL, https://api.telnyx.com/v2.

2 operations 2 paths 3 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
2.0.0
Base URL
https://api.telnyx.com/v2
Authentication
HTTP Bearer, HTTP Bearer, OAuth 2.0, HTTP Bearer, HTTP Bearer, HTTP Bearer
Resource Areas
1

Authentication & Security 6

Telnyx OAuth Discovery API declares 6 security schemes for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). It accepts HTTP bearer tokens (branded-calling_bearerAuth). It supports OAuth 2.0 (oauthClientAuth) using the authorizationCode and clientCredentials flows, exposing 1 scope. It accepts HTTP bearer tokens (JWT) (outbound-voice-profiles_bearerAuth). It accepts HTTP bearer tokens (pronunciation-dicts_bearerAuth). It accepts HTTP bearer tokens (JWT) (stored-payment-transactions_bearerAuth). By default, every request must be authenticated.

  • branded-calling_bearerAuth — API key passed as a Bearer token in the Authorization header
  • oauthClientAuth — OAuth 2.0 authentication for Telnyx API and MCP integrations
  • pronunciation-dicts_bearerAuth — Telnyx API v2 key. Obtain from https://portal.telnyx.com

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

OAuth Discovery 2
GET
/.well-known/oauth-authorization-server
Authorization server metadata
GetOAuthAuthorizationServerMetadata → 200400401
GET
/.well-known/oauth-protected-resource
Protected resource metadata
GetOAuthProtectedResourceMetadata → 200400401

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are AuthorizationServerMetadata (11 properties), ResourceMetadata (2 properties), oauth_Error (2 properties). Each schema is shown below with its type and property counts.

oauth_Error
object
2 properties 1 required
AuthorizationServerMetadata
object
11 properties
ResourceMetadata
object
2 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

telnyx-oauth-discovery-api-openapi.yml Raw ↑

Other APIs Telnyx publishes across the network.

Telnyx Access Tokens API
Telnyx Addresses API
Telnyx Advanced Number Orders API
Telnyx Assistants API
Telnyx Audio API
Telnyx Audit Logs API
Telnyx Authentication Providers API
Telnyx AutoRechargePreferences API
Telnyx Billing API
Telnyx Billing Groups API
Telnyx Brands API
Telnyx Bucket SSL Certificate API