For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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Changelog

Stay up to date with the latest changes to Synthflow.
June 1, 2026
June 1, 2026

ElevenLabs V3 audio tags

ElevenLabs V3 selected in the agent editor Voice settings

Select ElevenLabs V3 as your voice model, then use audio tags in agent prompts and flow messages to control accent, tone, and delivery.

Global tags keep one voice character for the entire call. Situational tags adjust delivery at a specific moment in a message.

Catalan, Slovenian, and Welsh available

Catalan, Slovenian, and Welsh join the full list of available languages you can assign to agents.

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May 28, 2026

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