Quickstart with Claude Code
Get your API key
Visit the Telnyx Portal to generate or copy your key.
Supported products
Messaging
- Send SMS and MMS messages.
- Receive and process inbound messages.
- Manage messaging profiles.
- 10DLC campaign registration.
- Short code messaging.
Voice
- Make and receive calls with Call Control.
- Build IVR systems with TeXML.
- Conference calling.
- Call recording and transcription.
- SIP trunking integrations.
Phone numbers
- Search available numbers by location.
- Purchase and provision numbers.
- Port existing numbers.
- Number reservation.
- Regulatory compliance.
AI
- Create Voice AI Assistants.
- Configure AI behaviors and tools.
- Speech-to-Text transcription.
- Text-to-Speech generation.
- Embeddings and knowledge bases.
Additional products
- Fax API.
- Verify API (2FA/OTP).
- Wireless/IoT SIM management.
- Cloud Storage.
- WebRTC.
- Networking and private connectivity.
Example prompts
Once installed, try asking Claude:| Prompt | What Claude Builds |
|---|---|
| ”Send an SMS to +15551234567 saying ‘Your order has shipped’.” | Messaging integration with error handling. |
| ”Create a webhook server to receive inbound calls.” | Express/Flask server with Call Control. |
| ”Search for toll-free numbers in the US.” | Number search and provisioning code. |
| ”Build an IVR that routes calls based on keypad input.” | TeXML application with DTMF handling. |
| ”Create a Voice AI agent for appointment scheduling.” | AI Assistant with custom tools. |
| ”Set up call recording with automatic transcription.” | Recording config with Deepgram STT. |
| ”Port my number from Twilio to Telnyx.” | Porting request with required fields. |
How it works
- You describe what you want to build in natural language.
- Claude reads the Telnyx SDK documentation through the installed skill.
- Claude writes production-ready code with proper authentication, error handling, and best practices.
- You review and iterate until the implementation is complete.
- Complete SDK reference documentation.
- Code examples and patterns.
- Error handling best practices.
- Authentication setup guides.
- Webhook configuration examples.
Comparison: Agent Skills vs MCP Server
| Feature | Agent Skills | MCP Server |
|---|---|---|
| Primary use | Write code that uses Telnyx | Execute Telnyx actions directly |
| Output | Source code files | API calls and results |
| Best for | Building applications | Quick tasks and automation |
| Languages | Python, Node.js, Go, Java, Ruby | N/A (direct execution) |