Update Segmentpatch https://a.klaviyo.com/api/segments/{id}Update a segment with the given segment ID.Rate limits:Burst: 1/sSteady: 15/mDaily: 100/d Scopes: segments:writePath ParamsidstringrequiredQuery Paramsfields[segment]array of stringsFor more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsetsfields[segment]ADD stringBody Paramsdataobjectrequireddata objectHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 200Success 4XXClient Error 5XXServer ErrorUpdated over 1 year ago