Telnyx developer resources
Use the Telnyx REST API reference below to find endpoints, request schemas, and response examples by product.- Telnyx API Authentication: Authenticate requests with a Bearer API key.
- Telnyx OpenAPI Specification: Download the machine-readable REST API contract.
- Telnyx Developer Portal: Manage your account and API keys in Mission Control.
- Telnyx MCP Server: Connect AI agents to the remote Model Context Protocol server.
API reference by product
AI
Build assistants, streaming chat, speech, and embeddings with Telnyx Inference APIs.
Real-time communications
Voice, messaging, TeXML, fax, and media APIs for real-time experiences.
Numbers & identity
Search, provision, and manage phone numbers, porting, verification, and identity services.
Connectivity & networking
Wireless SIMs, private networks, WireGuard, and cross-connect APIs.
Account & billing
Billing, payments, notifications, reporting, and account management APIs.
OAuth
OAuth 2.0 endpoints for authenticating and managing access to Telnyx resources.