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cXML Reference TwiML-compatible XML markup for calls and messages
REST API Reference HTTP endpoints for managing resources
REST Client Libraries Official SDKs for popular programming languages

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SignalWire API

Complete technical reference for the SignalWire API, including REST and JSON-RPC endpoints

SWML

SWML (SignalWire Markup Language) enables you to create voice and AI applications defined by serverless or HTTP-requested scripts written in YAML or JSON

Browser SDK

JavaScript library for building WebRTC-based voice, video, and chat applications in the browser

Realtime SDK

Node.js SDK for building applications capable of async operations via a WebSocket connection to your server

Agents SDK

A powerful Python SDK for building SWML-based agentic AI voice applications

Call Flow Builder

Visual drag-and-drop tool for designing and deploying SWML-based voice applications

Compatibility API

Migrate seamlessly to our Twilio-compatible REST API and TwiML-compatible cXML language

Additional resources

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Compatibility REST API

Compatibility REST API
REST Endpoints
cXML Bins
Create an cXML Bin

Create an cXML Bin

POST /Accounts/:AccountSid/LamlBins

Create an cXML bin.

Permissions

The API token used to authenticate must have one of the following scopes enabled to make a successful request: Voice or Messaging or Fax. Learn more about API scopes.

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Create an cXML Bin

/Accounts/:AccountSid/LamlBins

Permissions​

Request​

Responses​

Permissions

Request

Responses