---
title: "SignalWire (@signalwire)"
description: "Programmable Unified Communications"
account: "signalwire"
---

# SignalWire

Programmable Unified Communications

## APIs

2 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/signalwire/feed.md

- [Compatibility API](https://skmtc.dev/signalwire/apis/compatibility-api.md): Telephony and messaging: place calls, send SMS, MMS and faxes, manage phone numbers, queues and recordings
- [SignalWire REST API](https://skmtc.dev/signalwire/apis/signalwire-rest-api.md): Telephony and messaging: manage phone numbers, SIP endpoints, AI agents, rooms, and call flows