2026-07-14 Message API
- New
POST /v2/message/threads:workloadendpoint added, returning the number of open threads assigned directly to each of up to 100 requested users (matching their central-inbox open view) for use in assignment load-balancing
POST /v2/message/threads:workload endpoint added, returning the number of open threads assigned directly to each of up to 100 requested users (matching their central-inbox open view) for use in assignment load-balancing