Sign up

Voice API for real-time programmable call control

Build a delightful customer experience over the phone with advanced capabilities like real-time access to call media, all built on a compliant, secure infrastructure.
Voice API for real-time programmable call control
  • icon products voice-api

    Intelligent call control

    Build agent coaching, inbound call attribution, IVR phone trees, skills-based routing, and more—all with the simplicity of a RESTful API or XML scripting.

  • icon features global-network

    Quality, reliability & scalability

    Telnyx APIs connect directly to our global private network of multi-cloud PoPs and direct carrier interconnects, so your calls have crystal clear voice everywhere, every time.

  • icon features outbound-profiles

    Cross-platform compatibility

    Build the same calling experience across global phone numbers, calling platforms like Microsoft Teams, web clients via WebRTC, and Android and iOS applications.

  • Scale-friendly, Pay-As-You-Go Pricing

    Customers typically save 30% switching to Telnyx, with lower list pricing and automatic volume discounts.

    Starting at $0.002/min to make or receive a call.

    See Pricing
  • “We are not “just another client”. We are their client, and Telnyx cares about us and our success as if this company were their own.”

    Amanda Pietrocola - CEO, Momentum Technology
  • "We’ve ramped from hundreds to hundreds of thousands of calls per day with customers without experiencing any issues from Telnyx - it’s really been quite seamless."

    Benjamin Gleitzman - CTO,
  • “The engineers at Telnyx worked hand-in-hand with our team to design and architect the right solution. We deployed a fully integrated softphone in half the time we expected to.”

    Jason Tissera - CEO,

Build advanced real-time capabilities into live phone calls

  • icon features media-streaming

    Real-time media streaming

    Feed real-time AI & machine learning models to respond to live on-call events and keywords.

  • icon features speech-to-text

    Speech-to-text transcription

    Receive live, high-accuracy transcriptions in six languages via webhook, with speaker diarization.

  • icon features conversations

    Voicemail detection

    Detect call progress with industry-leading accuracy and boost the efficiency of your contact center.

  • icon features conference-call


    Connect teams across the globe with muting, holding, audio prompts, participant management, and more.

  • icon features call-recording

    Programmable recording

    Turn single- or dual-channel HD recording on and off on a live call at the press of a button.

  • icon features gather-inputs

    DTMF send & receive

    Automatically handle button presses to build an intuitive phone menu, or send DTMF tones on outbound calls.

Ready to get started?

Our intuitive APIs and in-depth docs can help you get acquainted, and a global team of network operations professionals, solutions engineers and regulatory experts can advise you how to build your integration the right way.

Talk to our product experts
You can either fill out the form, email us [email protected], or call us (888) 980 9750.

Need help? Contact support
Log in to chat to our 24/7 support team directly in the portal or visit our Support Center if you have questions about our products or services.

Report abuse
Email our legal team at [email protected] for any violation incidents.