Release notes

  • 6, Apr 2026

    LiveKit on Telnyx: Voice AI Infrastructure You Control

    Run LiveKit on Telnyx to reduce costs, minimize latency, and add enterprise-grade telephony to your voice AI agents.

  • 2, Apr 2026

    Pronunciation Dictionaries for TTS

    Define how words are pronounced once and apply it across voices and providers. No re-tuning per voice. No per-provider workarounds.

  • 2, Apr 2026

    WhatsApp Business Messaging on Telnyx Numbers

    Register Telnyx numbers for WhatsApp Business messaging, manage WhatsApp Business Accounts, send templated messages, and handle two-way conversations, all from the Telnyx portal and API.

  • 24, Mar 2026

    Update assistant dynamic variables from webhook tool responses

    Map webhook responses to dynamic variables to control assistant behavior, routing, and insights in real time.

  • 24, Mar 2026

    Share and Reuse Tools Across Your Voice AI Assistants

    Create shared tools once, reuse them across Telnyx AI assistants, and manage updates without duplicating configuration.

  • 19, Mar 2026

    Introducing Traffic Profiles — Bandwidth Control & Content Filtering

    Control bandwidth and restrict traffic for your IoT/M2M deployments with the new Traffic Profiles feature, available via the Wireless API.

  • 19, Mar 2026

    Minimax support added to Voice Design Lab for voice design and cloning

    Use Minimax in Voice Design Lab for longer audio cloning and improved voice capture across Telnyx TTS.

  • 18, Mar 2026

    Australia Data Locality Now Available

    Telnyx now supports Australia as a data storage location for call recordings, transcripts, AI data, and usage logs. Configure data residency in Mission Control Portal.

  • 17, Mar 2026

    Inbound Call Screening Is Now Free — With Enhanced Reputation Coverage

    Inbound Call Screening is now free for all Telnyx phone numbers, with expanded reputation coverage from CallerAPI, Nomorobo, and YouMail.

  • 16, Mar 2026

    Introducing Telnyx Ultra Voices

    Telnyx Ultra is a premium voice model, built for fast voice AI. Generate expressive speech with sub-100ms time to first byte across 42 languages, with SSML emotion control for AI assistants and...

  • 13, Mar 2026

    Create custom TTS voices with Telnyx Voice Design Lab

    Create custom TTS voices using prompts or audio cloning. Use them across Telnyx AI Assistants, Call Control, and the TTS API.

  • 13, Mar 2026

    Inworld TTS Now Available on Telnyx

    Inworld's TTS is now available on Telnyx, delivering professional voice actor quality at up to 90% cost savings.

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