Request
curl -sS --fail-with-body -X POST \
"https://ark.cn-beijing.volces.com/api/v3/environments/<ENVIRONMENT_ID>/work/<WORK_ID>/heartbeat?desired_ttl_seconds=300&expected_last_heartbeat=NO_HEARTBEAT" \
-H "Authorization: Bearer $ARK_API_KEY"Response
{
"last_heartbeat": "2026-10-19T08:30:35Z",
"lease_extended": true,
"state": "active",
"ttl_seconds": 300,
"type": "work_heartbeat"
}