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THE VOICE NETWORK BUILT FOR

Conversational AI

Our full-stack platform gives you complete control, uniting carrier-grade communications, low-latency AI, and flexible developer tools to power interactions that no other platform can deliver.

CALL YOUR AGENT
SPEECH TO TEXT

Real-time transcription

Turn text into natural-sounding audio for content, communication, and accessibility.

HD VOICE AI

True HD voice, end-to-end

In-house NaturalHD voices and HD voice codecs are powered by our private global network to deliver more natural conversations with unmatched call clarity.

Experience the difference in voice quality
TEXT TO SPEECH

Effortless text-to-speech

Enjoy clear, natural-sounding voices for an enhanced caller experience.

14,000+ INDUSTRY-LEADING COMPANIES choose telnyx

Cisco - Networking and telecommunications company using Telnyx servicesTalkdesk - Cloud contact center platform powered by TelnyxAmerican Red Cross - Humanitarian organization leveraging Telnyx communicationsZillow - Real estate marketplace using Telnyx for customer communicationsMicrosoft - Technology corporation utilizing Telnyx infrastructureCosmo - Connected insurance platform powered by Telnyx IoTState of Iowa - Government services using Telnyx communicationsDoximity - Medical network platform leveraging Telnyx servicesAudioCodes - VoIP and data networking solutions partner with TelnyxLivePerson - Conversational AI platform integrated with TelnyxUJET - Customer support platform utilizing Telnyx communicationsCisco - Networking and telecommunications company using Telnyx servicesTalkdesk - Cloud contact center platform powered by TelnyxAmerican Red Cross - Humanitarian organization leveraging Telnyx communicationsZillow - Real estate marketplace using Telnyx for customer communicationsMicrosoft - Technology corporation utilizing Telnyx infrastructureCosmo - Connected insurance platform powered by Telnyx IoTState of Iowa - Government services using Telnyx communicationsDoximity - Medical network platform leveraging Telnyx servicesAudioCodes - VoIP and data networking solutions partner with TelnyxLivePerson - Conversational AI platform integrated with TelnyxUJET - Customer support platform utilizing Telnyx communications
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INFRASTRUCTURE

Lower latency, lower cost, faster implementation

Compared with any other voice AI solution.

<200 ms

Round trip time thanks to a private network with strategic global PoPs.

250 ms

Multilingual speech to text transcription optimized for speed

$0.06

Per minute conversational Voice AI, no hidden fees or extras.

< 5 minutes

To build an intelligent Voice AI Agent with intuitive tools and APIs

LOW-LATENCY VOICE AI

For engaging Voice AI, every millisecond matters

We've colocated GPUs and telephony infrastructure at strategic global hubs to bring compute and telephony closer to users, reducing latency to power faster, more realistic Voice AI Agents.

Low-latency AI

Low-latency conversational AI

Colocation of GPUs and telephony networks in global PoPs reduce round-trip time between speech and inference to <200ms, delivering faster responses and more natural conversations.

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Secure communications

Secure global communications

A fully private MPLS network keeps your data secure and off the public internet, reducing exposure to threats while minimizing latency across every interaction.

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High-quality calling

High-quality calling

Telnyx is a licensed carrier in 30+ markets so you can connect directly to a carrier network for crystal-clear calls, fewer points of failure, and control over number provisioning and call routing.

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FOR DEVELOPERS

Take the complexity out of your AI Agent setup

Leave management of complex carrier connections and voice infrastructure to the experts. Our APIs and SDKs provide all the building blocks you need. Grab your API key and see how simple it is to generate intelligent audio and embed it in a call.

Explore Dev Docs

Purchase a phone number

  curl -i -X POST "https://api.telnyx.com/v2/number_orders" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_TELNYX_API_KEY" \
  -d '{
    "phone_numbers": [
      {"phone_number": "+15558675309"}
    ]
  }'

Chat with a language model

  curl -i -X POST \
  https://api.telnyx.com/v2/ai/chat/completions \
  -H 'Authorization: Bearer YOUR_TELNYX_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "messages": [
      {
        "role": "user",
        "content": "Hello, World!"
      }
    ],
    "model": "mistralai/Mistral-7B-Instruct-v0.1"
  }'

Make a phone call

  curl -i -X POST "https://api.telnyx.com/v2/calls" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_TELNYX_API_KEY" \
  -d '{
    "connection_id": "YOUR_CONNECTION_ID",
    "to": "+15551234567",
    "from": "+15557654321",
    "webhook_url": "https://your-webhook.url/events"
  }'

Send a message

  curl -i -X POST "https://api.telnyx.com/v2/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_TELNYX_API_KEY" \
  -d '{
    "from": "+15557654321",
    "to": "+15551234567",
    "text": "Hello world, this is a test message from Telnyx!"
  }'

Purchase an ESIM

  curl -i -X POST \
  https://api.telnyx.com/v2/sim_card_orders \
  -H 'Authorization: Bearer YOUR_TELNYX_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "address_id": "1293384261075731499",
    "quantity": 210
  }'
HOW IT WORKS

Build intelligent, real-time AI Agents in minutes

Launch intelligent voice agents fast with a developer-friendly platform that handles speech, logic, and telephony—all in one place. Stream audio to any model, store context with built in memory, and deploy instantly while Telnyx handles SIP, PSTN, and carrier infrastructure.

Step 1/6
USE CASES

Empower conversational AI Agents to do the work

Automate operations with intelligent workflows, elevate customer experiences with personalized interactions, and power new use cases with real-time voice AI.

EXPLORE OUR AI ASSISTANT
Healthcare

Reduce appointment no-shows with real-time reminders

Confirm, reschedule, or cancel appointments automatically, keeping calendars full and staff free from follow-ups

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Visual representation of Reduce appointment no-shows with real-time reminders for Healthcare - interactive illustration showing key features and benefits

Simplify returns with always-on assistance

Drive more bookings, 24/7/365

OUR SOLUTIONS

Powering real-time connectivity globally

Telnyx is a full-stack conversational AI platform, delivering programmable voice, messaging, and global connectivity to help businesses connect people, devices, and ideas anywhere in the world.

Where milliseconds matter, Telnyx delivers

From first call to global deployment, Telnyx gives you the stack, scale, and support to launch real-time conversational AI with confidence.

START BUILDING