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Our backward-compatible APIs are designed to provide quick relief if you're currently stuck with a price-gouging SMS, voice, or video provider. Save money immediately and add advanced functionality by migrating your application to SignalWire's next-generation communications cloud.

Backward Compatible

Minimal application changes mean minimal risk. Take a truly advanced communications cloud for a spin and save money in the process.

Price Disruptive

Phone numbers from $0.20/month. SMS messaging from $0.0013/msg. Voice from $0.0036/min. Free SignalWire OG expert support.

Original Geeks

As developers of the #1 open-source communications platform in the world, we are committed to democratizing our best-in-class technology by offering an advanced, affordable, and developer-focused cloud communications platform.

Advanced Technology

Our elastic cloud network provides maximum reliability and scalability for your mission-critical communications. Our powerful APIs and SDKs make it easy to add communications capabilities to any application in any programming language.

"Switching to SignalWire [from Twilio] was really fast. We were able to get up and running really quickly...The level of knowledge and support that SignalWire offers is leaps and bounds ahead - with Twilio it takes sometimes over a week to get a response. SignalWire support members know what they’re talking about and I can get an answer right there.”

Mark Lilien

Co-Founder and CTO

Simple XML Responses

Perform telephony functions such as sending SMS responses or forwarding telephone calls based on simple XML responses to Webhooks for incoming events.

Compatible with Existing Logic

The LāML REST API is designed to ease the migration of your existing phone or messaging application to our advanced communications cloud.

Priced to Disrupt

As the original geeks of software-defined telecom, our mission is to democratize the technology, not price-gouge you for numbers, minutes, or messages. Our industry-low rates are offered to all customers regardless of volume. No contracts. No commitments.