Scale mode
List workers
GET
Self-hosted only. The scale-mode workers registered with this install, from Postgres: each one's host, state, jobs and last heartbeat. See Scale mode.
apiKeyheader
AuthorizationBearer <token>An API key, sk-syn- and 32 characters. On SynapseOrch Cloud an owner or admin makes it under Settings → Developer; on a self-hosted install, under Settings → API Keys.
The workers.
application/json- response
[index: integer]?Self-hosted only
curl -X GET "http://localhost:3000/api/v2/workers" \ -H "Authorization: Bearer sk-syn-..."[ { "worker_id": "w-1bac81fcfb63-35985d6e", "hostname": "worker-1", "address": "10.0.0.12", "status": "online", "active_jobs": 2, "max_jobs": 10, "last_heartbeat": "2026-10-04 17:52:14+00:00", "mcp_disabled": [] }]