Release notes

Fish Audio TTS is now available for Telnyx Voice AI, adding expressive multilingual speech with inline emotion control to the voice provider catalog.

Telnyx Voice AI now includes Arabic speech-to-text and text-to-speech model options for Arabic-speaking customer interactions.

Inworld Realtime TTS 2 is now available through Telnyx APIs and Voice AI Assistants, extending expressive realtime voices to both standalone API usage and managed agents.

Speechmatics STT is now available in Mission Control, Voice API, and WebSocket transcription, with real-time interim results for live voice workflows.

Premium Answering Machine Detection (AMD) now detects iOS Call Screening, including iOS Live Voicemail, in real time during outbound calls.

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

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.

Customers without a federal Tax ID (EIN) can now register for 10DLC messaging through the new Sole Proprietor brand type. Freelancers, small business owners, and individuals can complete registration...

Telnyx has launched an improved developer documentation platform with streamlined navigation, clearer guides, an upgraded editor, and an AI assistant to speed up development.

Pick crisp, expressive Azure Neural Hd voices in Telnyx TTS. Pay just $0.000045 per character , keep byoc routing and swap voices with one request.

Telnyx's Node SDK v2 is now available for all users.

Many folks ask our experts questions about how to maximise their chance of a successful 10DLC registration submission. We've now baked this expertise into our product.