Release notes

  • 25, Sep 2026

    Soniox TTS Now Available for Telnyx Voice AI

    Soniox text-to-speech is now available for Telnyx Voice AI, adding about 200 voices that each speak 60 languages from one model.

  • 23, Sep 2026

    Email API: Stronger Suppression Management

    The Telnyx Email API now provides a more predictable suppression lifecycle, with automatic suppression expiry and improved import and export handling.

  • 23, Sep 2026

    Email API: Better Testing, Message Retrieval, and Event Visibility

    The Telnyx Email API now makes it easier to test email workflows, retrieve messages, and understand the delivery lifecycle, with deterministic sandbox outcomes, richer message retrieval, and expanded...

  • 23, Sep 2026

    Email API: Self-Service DKIM Key Rotation

    The Telnyx Email API now supports self-service DKIM key rotation for account-owned custom sending domains. Rotate a domain's DKIM key through the Email Domains API and publish the replacement DNS...

  • 23, Sep 2026

    Email API: Safer Liquid Templates

    The Telnyx Email API now gives developers more control over how Liquid templates handle variables and rendered content, with new validation, defaults, and autoescaping options for safer dynamic...

  • 23, Sep 2026

    Email API: More Control Over Scheduled Sends

    The Telnyx Email API now gives developers more control over scheduled emails. Reschedule an existing message in place without recreating it, with improved validation to help prevent unintended sends.

  • 22, Sep 2026

    Medical Speech-to-Text Now Available for Telnyx Voice AI

    Self-hosted medical speech-to-text tuned for clinical dialogue, now available across Telnyx Voice API, WebSocket, TeXML, AI Assistants, and the REST API.

  • 22, Sep 2026

    Observability Now Available for Telnyx Edge Compute

    Full observability for Edge Compute functions: runtime and invocation logs with live tailing, OTLP log export to Honeycomb, Datadog, Grafana, or your own collector, metrics, deployment history, and...

  • 22, Sep 2026

    TypeSafe-Compatible Decision Models (Beta) Now Available for Telnyx Inference

    Route requests, evaluate conditions, and score urgency with a TypeSafe-compatible decision model endpoint, now in beta on Telnyx Inference.

  • 18, Sep 2026

    Flex and Priority Service Tiers Now Available for Telnyx Inference

    Telnyx Inference now offers Flex and Priority service tiers. Set service_tier per request to trade latency against token cost on the same models and the same synchronous API. Priority on Kimi K2.6...

  • 17, Sep 2026

    Mobile phone numbers now available in India

    Telnyx now offers mobile phone numbers in four Indian telecom districts, giving businesses a local presence in India with two-way voice calling over the Telnyx private network.

  • 15, Sep 2026

    Telnyx Ultra Voices Upgraded With Better Naturalness and Multi-Lingual Support

    Telnyx Ultra voices have been upgraded with improved naturalness and stronger multi-lingual support. An auto language boost selector is now available in Mission Control for AI Assistants, and older...

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