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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.
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Voice API for real-time programmable call control
Talk to an expert
  • 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, Replicant.ai
  • “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, Upmarket.ai

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

    Conferencing

    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
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