--- title: Release Notes - api - Telnyx canonical: https://telnyx.com/release-notes/tag/api --- # Release Notes - api - Telnyx # Release notes * **13, Jul 2026** ### Fish Audio TTS Now Available for Telnyx Voice AI Fish Audio TTS is now available for Telnyx Voice AI, adding expressive multilingual speech with inline emotion control to the voice provider catalog. [Read more](https://telnyx.com/release-notes/fish-audio-tts-voice-ai) * **30, Jun 2026** ### Arabic speech models for Telnyx Voice AI Telnyx Voice AI now includes Arabic speech-to-text and text-to-speech model options for Arabic-speaking customer interactions. [Read more](https://telnyx.com/release-notes/arabic-speech-models-telnyx-voice-ai) * **16, Jun 2026** ### Inworld Realtime TTS 2 Now Available Through Telnyx APIs and Voice AI Assistants 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. [Read more](https://telnyx.com/release-notes/inworld-realtime-tts-2-voice-ai-assistants) * **18, May 2026** ### Speechmatics STT is now available for Voice API Speechmatics STT is now available in Mission Control, Voice API, and WebSocket transcription, with real-time interim results for live voice workflows. [Read more](https://telnyx.com/release-notes/speechmatics-stt-voice-api) * **18, May 2026** ### Premium Answering Machine Detection now detects iOS Call Screening Premium Answering Machine Detection (AMD) now detects iOS Call Screening, including iOS Live Voicemail, in real time during outbound calls. [Read more](https://telnyx.com/release-notes/premium-amd-ios-call-screening) * **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. [Read more](https://telnyx.com/release-notes/tts-pronunciation-dictionaries) * **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. [Read more](https://telnyx.com/release-notes/whatsapp-business-messaging-telnyx-numbers) * **4, Feb 2026** ### Telnyx opens 10DLC registration to sole proprietors 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... [Read more](https://telnyx.com/release-notes/10dlc-sole-proprietor-support) * **26, Nov 2025** ### Improved Telnyx developer documentation experience Telnyx has launched an improved developer documentation platform with streamlined navigation, clearer guides, an upgraded editor, and an AI assistant to speed up development. [Read more](https://telnyx.com/release-notes/telnyx-developer-documentation-updates) * **30, Jun 2025** ### Azure Neural HD voices now live in Telnyx Programmable Voice 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. [Read more](https://telnyx.com/release-notes/azure-neural-hd-voices-telnyx-tts) * **4, Feb 2025** ### Telnyx Node SDK V2 Telnyx's Node SDK v2 is now available for all users. [Read more](https://telnyx.com/release-notes/node-sdk-v2) * **1, Nov 2023** ### 10DLC Ease of Use Updates 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. [Read more](https://telnyx.com/release-notes/10dlc-ease-of-use-updates) Go to previous page 1/4 [Go to next page](https://telnyx.com/release-notes/tag/api/page/2) Filter by product Clear API Subscribe to automated emails Subscribe [Subscribe to RSS](https://telnyx.com/rss.xml)[Feature Request](https://portal.productboard.com/telnyx/1-telnyx-product-portal/tabs/3-launched)[Follow us on Twitter](https://twitter.com/telnyx) [Start building](https://telnyx.com/sign-up) ### Ask AI * [![GPT](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/chatgpt_icon-ea55e09d.jpeg?width=92&format=webp)](https://chat.openai.com/?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Claude](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/claude_icon-c7c8eef3.webp?width=92&format=webp)](https://claude.ai/new?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Perplexity](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/perplexity_icon-cd5b74f1.webp?width=92&format=webp)](https://www.perplexity.ai/search?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Gemini](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/gemini_icon-4ff1cbf4.webp?width=92&format=webp)](https://www.google.com/search?udm=50&aep=11&q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.) * [![Grok](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/grok_icon-e588e5bd.webp?width=92&format=webp)](https://x.com/i/grok?text=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)