Custom call flows
Set up in minutes
Simple XML-based scripting allows you to create custom call flows with intuitive syntax. Or, use our powerful REST API for real-time responsive call flows.
Time to build your first XML-based voice app with TeXML
Get expert service and support
Our award-winning support teams have direct troubleshooting access to our private network infrastructure and in-depth knowledge of our APIs for faster resolutions.
Rated CPaaS platform for customer results, G2 Winter 2023
Select features for ultimate efficiency
Incorporate speech-to-text, call recording, answering machine detection and more to determine where to send customers when they call. Our voice API and integrations make building a custom solution seamless.
Start with simple low-code deployment
With TeXML Bin in the portal, non-technical Telnyx users have the ability to start building call flows that work in just a few minutes. Start out with a simple call forwarding app or build a functioning IVR in the portal.
Monitor in the Mission Control Portal
Manage your numbers, SIP trunks and applications in one place. Deep dive into call quality and usage metrics with our free debugging tools and real-time reports for ultimate transparency.
Scale custom call flows across the globe
Expand your existing, validated call flows to new countries in a few clicks, thanks to advanced number porting and provisioning. Our regulatory experts can help you navigate complex requirements in your desired countries.
Build with developer-friendly APIs
Design the exact voice call flow you need with full control using our flexible and scalable API.
Configure, deploy and scale voice calls across the globe, all through an intuitive portal and API.
Instantly search, provision and port local, mobile and toll-free numbers in 140+ countries.
Build a custom call flow
Follow our tutorial to build a call flow application using the Telnyx Voice API, TeXML and the Python AIOHTTP library.
Watch: building an IVR with the Telnyx API and Ruby SDK
Streamline your customer experience and increase satisfaction with an Interactive Voice Response system, built with our Ruby SDK.
How can answering machine detection help you?
Make the most of your contact center with premium answering machine detection from Telnyx.
Call flow is a term that is used to describe how a call is routed through a system. This includes routing customers to free agents or to the correct support team (e.g. billing instead of returns). In some cases, call flows can even enable users to self-serve by playing pre-recorded information.