Preview Contact Search: document UTC calendar-day timestamp filtering#575
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dan0505
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Jul 2, 2026
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Why?
Contact Search equality filters on timestamp fields (
created_at,updated_at, etc.) didn't reliably round-trip — filtering by a timestamp the API returned could miss the very contact it came from, because the day bucket depended on the workspace's timezone. On the Preview API these filters now anchor to the UTC calendar day, so results are timezone-independent.How?
Updates the "Searching for Timestamp Fields" section of the Preview spec to describe UTC calendar-day bucketing and adds UTC qualifiers to the worked example. Preview only; stable version specs are unchanged.
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