Features
The building blocks for voice AI—all in one place
Build cost-effective, low-latency voice AI solutions with one provider.
Low-latency voice
Most voice AI stacks route calls through 4 to 5 separate providers, including telephony, STT, LLM, TTS, orchestration, adding latency at every hop. Telnyx runs everything on one network. Audio enters, gets processed, and returns without leaving our infrastructure. The result: sub-200ms round-trip times that keep conversations natural.
Context-rich conversations
Give your Voice AI Agent access to custom tools and over 30 pre-built integrations across 13 categories, including Salesforce, HubSpot, ServiceNow, Calendly, Jira, and more. Pull customer data into calls, trigger actions in real time, and personalize every conversation with live context.
Noise suppression
Crystal-clear audio is the foundation of great customer experience. Telnyx noise suppression and HD Voice codecs filter out background noise before it reaches your agent, so conversations feel natural, and customer names, account numbers, and key details are captured accurately the first time.
Speech-to-text
Telnyx gives you access to multiple STT engines, such as Deepgram, Whisper, AssemblyAI, xAI, Speechmatics, Soniox, Google, Azure, and our own engine, so you can pick the best fit for your language, accuracy, or cost needs. Switch providers anytime without rebuilding your stack. When a better model comes out, swap it in.
Text-to-speech
Start with Telnyx Ultra for expressive Telnyx-native Voice AI, or choose MiniMax, Qwen3TTS, xAI, ElevenLabs, Azure Neural, AWS, ResembleAI, NaturalHD, and other engines when the use case calls for provider choice, WebSocket compatibility, or a specific voice. Over 100 languages and variants mean you can reach more customers in their native language and respond faster in any market. Switch providers anytime without rebuilding. No lock-in, no migration headaches.
Cost-effective AI agents
Telnyx pricing for base rate is budget friendly. Need more volume? Committed-use discounts on STT and TTS lower your costs further as you scale. No surprise add-ons for telephony, no per-seat fees, no middlemen taking a cut.
HD voice quality
Experience crystal-clear call quality with 16kHz HD voice codecs for frustration-free customer interactions.
Scalable infrastructure
Dedicated GPUs scale automatically based on workload to ensure uptime and optimal performance.
Dynamic call control
Telnyx Voice API enables scalable, dynamic workflows for AI-driven call centers without compromising call quality.
CUSTOMER STORIES
Benjamin Gleitzman
CTO, Replicant
Telnyx media forking gives Replicant low-latency access to audio packets to be able to feed our AI models. In many cases, Telnyx was the fastest provider that was there on the market.
RESOURCES
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Explore expert insights on our AI solutions
Lower contact center costs
Explore practical strategies for implementing AI in contact centers while keeping costs in check.
Speech-to-Text with Voice API tutorial
In this tutorial, we will cover how to get a speech-to-text transcription of your calls using Voice API and TeXML.
Access the tools
Leverage AI-driven workflows and seamless voice capabilities to create natural, engaging customer interactions.
Inference
Experience fast, cost-efficient AI inference with our powerful APIs. Simplify model deployment and performance.
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Voice API
Use our feature rich Voice API for complete control of calls and unmatched insights.
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SIP Trunking
Communicate globally on a HD voice network with Telnyx SIP Trunking.
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Flow
Simplify AI workflows with low-code automation and powerful integrations. Build, deploy, and manage with ease.
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