v2 - 2026-03-25 - Unified metadata source for notes and entities

Create note Added metadata.source property to specify the external system origin (system, recordId, url) when creating a note
Retrieve note Notes now include metadata.source in responses
List notes Added metadata[source][system] and metadata[source][recordId] query parameters for filtering by metadata source
Search notes Added metadata.source.system and metadata.source.recordId search filters
Deprecated the source field (id, origin, recordId, url) in favor of the new unified metadata.source system. The old source field will continue to work but should be migrated to metadata.source
Update entity Field value metadata source properties renamed from externalSystemName/externalRecordId to source.system/source.recordId, and added source.url for linking to the external record
Retrieve entity, List entities, Search entities Entity field value metadata now uses the unified source.system, source.recordId, and source.url properties in responses