Ultra-low latency
Run models at the edge close to your users. Sub-200ms response times without cross-country routing.
No vendor lock-in
OpenAI-compatible endpoints work with your existing SDK. Switch providers without rewriting code.
Compliant by design
In-region infrastructure and carrier licenses ensure compliance with GDPR, PCI, HIPAA and more, wherever you're located.
FEATURES
Voice AI built on infrastructure you can trust
Telnyx powers low-latency, multilingual Voice AI Agents that take action, integrate easily, and scale globally. One platform, replaces 5 vendors, providing complete flexibility and competitive pricing.
Carrier-verified identity
Verified caller identity A-level STIR/SHAKEN attestation helps eligible US outbound calls present as trusted, reducing spam-labeling risk without relying on third-party carriers.
Licensed carrier in 45+ countries
We originate calls as a licensed carrier, not relay through third parties. Your agents reach customers globally with local caller identity.
Sub-200ms latency
Co-located GPUs and telephony PoPs eliminate inter-provider hops. Conversations stay natural because your agent responds before the pause.
80+ languages and dialects
Deploy multilingual agents without bolting on third-party speech services. STT, TTS, and orchestration in one stack.
Full-stack observability
One dashboard from call start to completion. End-to-end tracing, latency breakdown, and transcript playback. No finger-pointing between vendors.
One platform, one SLA
Telephony, STT, LLM, TTS, and orchestration in a single stack. No Frankenstack, no multi-vendor debugging, no gaps in accountability.
Carrier-verified identity
Verified caller identity A-level STIR/SHAKEN attestation helps eligible US outbound calls present as trusted, reducing spam-labeling risk without relying on third-party carriers.
Licensed carrier in 45+ countries
We originate calls as a licensed carrier, not relay through third parties. Your agents reach customers globally with local caller identity.
Sub-200ms latency
Co-located GPUs and telephony PoPs eliminate inter-provider hops. Conversations stay natural because your agent responds before the pause.
80+ languages and dialects
Deploy multilingual agents without bolting on third-party speech services. STT, TTS, and orchestration in one stack.
Full-stack observability
One dashboard from call start to completion. End-to-end tracing, latency breakdown, and transcript playback. No finger-pointing between vendors.
One platform, one SLA
Telephony, STT, LLM, TTS, and orchestration in a single stack. No Frankenstack, no multi-vendor debugging, no gaps in accountability.
TEXT-TO-SPEECH
Choose from 1300+ voices
Preview Telnyx Ultra and other leading TTS engines for your Voice AI agent. Start with Ultra for the Telnyx-native voice path, or choose Qwen3TTS, xAI, NaturalHD, MiniMax, Rime, ResembleAI, AWS, Azure, and Inworld when the use case calls for provider choice, WebSocket compatibility, or a specific voice. Take your favorite to production through Mission Control Portal.
“Telnyx gives us the flexibility and performance to build AI-powered call flows that feel natural, responsive, and always available.”
Clint Holliday
CTO at PatientSync
VOICE AI AGENTS
Build your agent
We've deployed GPUs and telephony infrastructure at strategic global hubs to bring compute and telephony closer to users, reducing latency and powering faster, more realistic conversational AI.
RESOURCES
The best voice AI Agent tools
Access Deepgram, Whisper, AssemblyAI, xAI, Speechmatics, Soniox, and other leading transcription engines through a single API. Our edge-hosted architecture lets you switch engines without rearchitecting your stack.
TTS Router
Turn text into natural speech with 1,300+ voices across 10+ languages from leading engines and models like Telnyx Ultra, Qwen3TTS, xAI, MiniMax, Rime, AWS, Azure, and ResembleAI. Built for real-time Voice AI with edge hosting for the Telnyx-native voice path and one API for provider choice.
Integrations Hub
Connect Voice AI to your existing stack with 30+ pre-built integrations across 13 categories. From CRMs to analytics to automation platforms, deploy faster without custom development.
TTS Library
Browse 1,300+ voices from providers and models like Telnyx Ultra, Qwen3TTS, xAI, Rime, MiniMax, ResembleAI, AWS, and Azure. Preview, compare, and find the perfect voice for your brand and audience.
