Voice, SMS and video APIs: calls, messages, numbers and logs. Your client pastes their SignalWire key once, and your agent or your code works with their access.
Phone and SMS
About SignalWire
SignalWire is a communications platform for voice, SMS and video, built by the creators of FreeSWITCH.
With your client's SignalWire connected, your agent or code can work with calls, messages, numbers and logs.
SignalWire
SignalWire · Phone and SMS
API key
Voice, SMS and video APIs: calls, messages, numbers and logs
The client pastes their API key from SignalWire's settings. We store it encrypted.
Building with SignalWire? The docs have setup steps and code for every tool.
Add a client, select the services, copy the link. You'll get an email the moment their access is ready. Start free, no card required. Paid plans are one flat monthly price, and a busy month never takes your agents offline.