{"slug": "inworld-realtime-tts-2-now-available-through-telnyx-apis-and-voice-ai-assistants", "title": "Inworld Realtime TTS 2 Now Available Through Telnyx APIs and Voice AI Assistants", "summary": "Telnyx now offers Inworld Realtime TTS 2 through its APIs and Voice AI Assistants, providing developers with expressive voices optimized for realtime conversation across managed agents and custom voice pipelines. The technology accounts for conversational context, accepts plain English voice direction, and maintains a single voice identity across over 100 languages.", "body_md": "[Contact us](https://telnyx.com/contact-us)\n\n[Log in](https://portal.telnyx.com)\n\nInworld Realtime TTS 2 is now available through Telnyx APIs and Voice AI Assistants, giving developers access to expressive voices built for realtime conversation across managed agents and custom voice pipelines.\n\nUnlike traditional TTS built for narration, Realtime TTS 2 is designed for live interaction. It can account for conversational context, take voice direction in plain English, and hold one voice identity across over 100 languages.\n\nFor API synthesis, use Inworld voices in Telnyx TTS requests with the `Inworld.<Model>.<VoiceId>`\n\nformat. For example, developers can use Inworld voices through WebSocket streaming or REST when building custom voice stacks, media experiences, IVRs, or agent infrastructure outside the managed assistant flow.\n\nFor managed voice agents, select Inworld as the Text-to-Speech provider inside your Telnyx Voice AI Assistant and configure the voice for your assistant flow.\n\nVia the API:\n\n`Inworld.<Model>.<VoiceId>`\n\nformat.Via Voice AI Assistants:\n\n**Learn more** in the [Telnyx Inworld TTS documentation](https://developers.telnyx.com/docs/voice/tts/providers/inworld) or the [Telnyx TTS API documentation](https://developers.telnyx.com/docs/voice/tts/overview).", "url": "https://wpnews.pro/news/inworld-realtime-tts-2-now-available-through-telnyx-apis-and-voice-ai-assistants", "canonical_source": "https://telnyx.com/release-notes/inworld-realtime-tts-2-voice-ai-assistants", "published_at": "2026-06-16 00:00:00+00:00", "updated_at": "2026-07-01 12:06:43.246248+00:00", "lang": "en", "topics": ["ai-tools", "natural-language-processing", "ai-products", "developer-tools"], "entities": ["Inworld", "Telnyx", "Inworld Realtime TTS 2"], "alternates": {"html": "https://wpnews.pro/news/inworld-realtime-tts-2-now-available-through-telnyx-apis-and-voice-ai-assistants", "markdown": "https://wpnews.pro/news/inworld-realtime-tts-2-now-available-through-telnyx-apis-and-voice-ai-assistants.md", "text": "https://wpnews.pro/news/inworld-realtime-tts-2-now-available-through-telnyx-apis-and-voice-ai-assistants.txt", "jsonld": "https://wpnews.pro/news/inworld-realtime-tts-2-now-available-through-telnyx-apis-and-voice-ai-assistants.jsonld"}}