Docs · API
API reference
HTTP endpoints for calls, messaging, numbers, and webhooks. All requests use your session or API key.
Authentication
Dashboard and panel requests are authenticated with a secure, HttpOnly session cookie. Server-to-server requests use a workspace API key in the Authorization header.
Core endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST | /api/telnyx/calls/dial | Place an outbound call |
| POST | /api/telnyx/messages | Send an SMS / MMS |
| GET | /api/telnyx/messages | List messages |
| GET | /api/telnyx/calls | List call history (CDR) |
| GET | /api/telnyx/numbers | List phone numbers |
| POST | /api/telnyx/webhook/call-control | Receive call events |
| POST | /api/telnyx/webhook/sms | Receive inbound SMS |
See SDKs for typed clients, or contact us for full reference access.