curl -X POST http://localhost:5080/api/v1/alerts/incidents/$INCIDENT_ID/ack \
  -H "authorization: Bearer $MS_JWT"

{
  "id": "3KEDNEyqouYJeBDTLTMTBui7XHW",
  "org_id": "<organization-id>",
  "rule_id": "3KEDBLvTYO6DnWi8H9S9MNLpPT7",
  "escalation_policy_id": "<policy-id>",
  "status": "acknowledged",
  "severity": "critical",
  "summary": "High error rate · checkout",
  "fingerprint": "2b7f5329675de7077c74ffa2646a36cd3adf16f80f523270332894d1ff630632",
  "current_step": 0,
  "current_loop": 0,
  "current_step_started_at": 1790000000000000,
  "assignees": [],
  "labels": { "service": "checkout", "team": "checkout" },
  "annotations": {},
  "trace_ids": [],
  "host_ids": [],
  "affected_services": ["checkout"],
  "triggering_query": {
    "language": "sql",
    "statement": "SELECT count(*) AS c FROM app WHERE level = 'error'",
    "sample_values": [{ "ts": 0, "value": 120.0, "labels": { "c": "120" } }]
  },
  "created_at": 1790000000000000,
  "acknowledged_at": 1790000060000000,
  "acknowledged_by": "<user-id>",
  "resolved_at": null,
  "resolved_by": null
}