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.
January 5, 2026
January 5, 2026

New parameter: telephony_ringing_duration

The Get a Call API now includes a new response parameter: telephony_ringing_duration.

What is it? This parameter represents the total time (in seconds) that the call spent ringing on the telephony network before being answered or disconnected.

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December 15, 2025

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