Release notes

xAI Grok voices and transcription are now available through the Telnyx TTS and STT APIs, extending Grok support beyond Voice AI Assistants to standalone API usage.

Telnyx AI Voice Agents can now register as SIP endpoints on existing enterprise voice systems, so teams can route calls through the dial plans, queues, and internal extensions they already operate.

Telnyx AI Assistants can now invite participants into a live call and manage turn-taking across multiple speakers. The assistant knows who is speaking, stays silent when people talk to each other,...

Deepgram Flux STT now supports 10 languages on Telnyx Voice AI Assistants, with Multi and Auto language modes for global deployments. Available the same day as Deepgram's GA launch.

Your Telnyx number can now receive and place WhatsApp voice calls on the same connection you already use for SMS, WhatsApp messaging, and programmable voice. No separate integration, no new provider,...

Test and compare STT providers directly in Mission Control with the new Speech-to-Text Playground. Transcribe audio from your microphone or upload a file, with no API integration required.

xAI Grok voices are now available for Telnyx Voice AI Assistants with Expressive Mode support, bringing 5 new expressive voices and 20+ languages to the TTS lineup.

Use dynamic variables to set the voice per call, customizing the assistant voice for each end user without creating separate assistants.

Detect and flag deepfake audio in real-time through the programmable voice with Resemble Detect, a state-of-the-art neural model that analyzes audio frame-by-frame.

Kimi K2.6 by Moonshot AI is now available on the Telnyx Inference API through the OpenAI-compatible Chat Completions endpoint. No new endpoints or SDK updates required.

Voice AI Assistants can now trigger actions after a call ends, from updating CRMs to sending follow-up emails, with full conversation context and no real-time latency constraints.

Voice AI Assistants now support Deepgram Keyterm Prompting for Nova-3 and Flux, boosting recognition accuracy for up to 100 important terms, product names, and industry jargon.