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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OverviewHeliosApolloSentinelAPI ReferenceChangelog
OverviewHeliosApolloSentinelAPI ReferenceChangelog
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Changelog

February 4, 2026
February 4, 2026

February 4, 2026

Lyra — speech progress events

Lyra now emits real-time speech progress events during voice agent sessions, providing streaming insight into the conversation as it progresses.

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