Release notes

Webhook tools can now write values directly into an assistant's dynamic variables. This lets you route tool output into prompts, actions, and insights without extra middleware or post-processing.

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

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

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

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.

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

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...

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

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

Montreal is now available as the 9th anchorsite location, joining 8 existing sites across North America, Europe, Asia, and Australia. This addition provides lower latency for voice traffic in Eastern...

We now support state-of-the-art open source LLMs over our Chat Completions endpoint. All models were released in 2026 and are on the efficient frontier of cost per intelligence. Currently available...

Arcana V3 is here: the fastest, most natural multilingual TTS on the market, now live across Voice API, AI Agents, and Standalone TTS.