Telnyx OAuth Discovery API
The OAuth Discovery API from Telnyx — 2 operation(s) for oauth discovery.
The OAuth Discovery API from Telnyx — 2 operation(s) for oauth discovery.
Every API here is available over the APIs.io API and to AI agents over MCP.
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.curl "https://apis.io/api/v1/apis/telnyx-oauth-discovery-api"
curl "https://apis.io/api/v1/apis?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
openapi: 3.2.0
info:
contact:
email: support@telnyx.com
description: Telnyx provides global communications and connectivity APIs for developers — including SIP trunking, programmable voice, SMS, MMS, WhatsApp Business Messaging, Call Control, Fax, Wireless (IoT & eSIM), Phone Numbers (DID provisioning & porting), Emergency Services, and Network APIs for private interconnects and edge connectivity. Build, scale, and manage voice, messaging, and data networks with Telnyx's carrier-grade global infrastructure and API-first platform.
title: Telnyx OAuth Discovery API
version: 2.0.0
x-endpoint-cost: light
servers:
- description: Version 2.0.0 of the Telnyx API
url: https://api.telnyx.com/v2
security:
- bearerAuth: []
tags:
- name: OAuth Discovery
paths:
/.well-known/oauth-authorization-server:
servers:
- url: https://api.telnyx.com
get:
description: OAuth 2.0 Authorization Server Metadata (RFC 8414)
operationId: GetOAuthAuthorizationServerMetadata
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/AuthorizationServerMetadata'
description: Authorization server metadata
'400':
content:
application/json:
schema:
$ref: '#/components/schemas/oauth_Error'
description: Bad Request
'401':
content:
application/json:
schema:
$ref: '#/components/schemas/oauth_Error'
description: Unauthorized
security: []
summary: Authorization server metadata
tags:
- OAuth Discovery
x-latency-category: responsive
/.well-known/oauth-protected-resource:
servers:
- url: https://api.telnyx.com
get:
description: OAuth 2.0 Protected Resource Metadata for resource discovery
operationId: GetOAuthProtectedResourceMetadata
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/ResourceMetadata'
description: Protected resource metadata
'400':
content:
application/json:
schema:
$ref: '#/components/schemas/oauth_Error'
description: Bad Request
'401':
content:
application/json:
schema:
$ref: '#/components/schemas/oauth_Error'
description: Unauthorized
security: []
summary: Protected resource metadata
tags:
- OAuth Discovery
x-latency-category: responsive
components:
schemas:
oauth_Error:
properties:
error:
description: Error code
type: string
error_description:
description: Human-readable error description
type: string
required:
- error
type: object
ResourceMetadata:
properties:
authorization_servers:
description: List of authorization server URLs
items:
format: uri
type: string
type: array
resource:
description: Protected resource URL
format: uri
type: string
type: object
AuthorizationServerMetadata:
properties:
authorization_endpoint:
description: Authorization endpoint URL
format: uri
type: string
code_challenge_methods_supported:
description: Supported PKCE code challenge methods
items:
type: string
type: array
grant_types_supported:
description: Supported grant types
items:
type: string
type: array
introspection_endpoint:
description: Token introspection endpoint URL
format: uri
type: string
issuer:
description: Authorization server issuer URL
format: uri
type: string
jwks_uri:
description: JWK Set endpoint URL
format: uri
type: string
registration_endpoint:
description: Dynamic client registration endpoint URL
format: uri
type: string
response_types_supported:
description: Supported response types
items:
type: string
type: array
scopes_supported:
description: Supported OAuth scopes
example:
- admin
items:
type: string
type: array
token_endpoint:
description: Token endpoint URL
format: uri
type: string
token_endpoint_auth_methods_supported:
description: Supported token endpoint authentication methods
items:
type: string
type: array
type: object
securitySchemes:
bearerAuth:
scheme: bearer
type: http
branded-calling_bearerAuth:
description: API key passed as a Bearer token in the Authorization header
scheme: bearer
type: http
oauthClientAuth:
description: OAuth 2.0 authentication for Telnyx API and MCP integrations
flows:
authorizationCode:
authorizationUrl: https://api.telnyx.com/v2/oauth/authorize
refreshUrl: https://api.telnyx.com/v2/oauth/token
scopes:
admin: Administrative access to Telnyx resources
tokenUrl: https://api.telnyx.com/v2/oauth/token
clientCredentials:
scopes:
admin: Administrative access to Telnyx resources
tokenUrl: https://api.telnyx.com/v2/oauth/token
type: oauth2
outbound-voice-profiles_bearerAuth:
bearerFormat: JWT
scheme: bearer
type: http
pronunciation-dicts_bearerAuth:
description: Telnyx API v2 key. Obtain from https://portal.telnyx.com
scheme: bearer
type: http
stored-payment-transactions_bearerAuth:
bearerFormat: JWT
scheme: bearer
type: http