Connecting with your customers shouldn't be complex. Our communications APIs make it easy.
Easily integrate voice capabilities into your own application, third-party applications or your existing VoIP infrastructure.
Explore Elastic SIP Trunking
Programmatically send and receive SMS and MMS via long code, shortcode, or toll-free to inform and engage customers.
Explore SMS API
Build sophisticated and responsive experiences into your applications with the most flexible and developer-friendly voice API.
Explore Voice API
Get rich data on global phone numbers for instant lead context, better conversion rates and enhanced message deliverability.
Explore Lookup API
Build and scale IoT apps across the globe, connecting to 200+ next-gen carriers with our cellular IoT SIM card.
Explore Wireless
Send, receive, and manage faxes anywhere in the world with just a few lines of code - no fax machine needed.
Explore Fax API
“We saw a huge speed and cost improvement over other providers. I definitely recommend Telnyx, especially if you’re looking for low latency, high uptime service.”
Benjamin Gleitzman, CTO and co-founder
“With Telnyx, we’re able to get coverage all over the world through one API. Understanding the care that went into prioritizing network architecture made us confident we were making the right decision.”
Dayton Turner, VP of Enterprise Product
"Since switching to Telnyx from our last outbound carrier, Lightspeed has seen call failures pretty much disappear."
Anthony Totarella, Systems Administrator
Telnyx RESTful APIs are designed for fast, easy integration. Build voice, video, wireless or messaging capabilities with more control than any alternative. SDKs and code samples in popular programming languages help you launch what you need, faster.