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Channel API

List channels​

GET /api/channels
Authorization: Bearer {token}

Response:

[
  {
    "id": "adt-channel",
    "port": 2575,
    "messageType": "ADT",
    "status": "RUNNING",
    "messagesReceived": 14821,
    "messagesSucceeded": 14803,
    "messagesFailed": 18,
    "lastMessageAt": "2026-06-12T14:30:22Z"
  }
]

Retry failed transactions​

POST /api/transactions/{transactionId}/retry
POST /api/transactions/retry-batch?status=ERROR&facilityCode=BRANCH-01

Circuit breaker status​

GET /api/circuit-breaker

{
  "hapi-fhir": {
    "state": "CLOSED",
    "failureCount": 0,
    "successCount": 14803,
    "queueDepth": 0
  }
}

Force circuit reset​

POST /api/circuit-breaker/reset

Use when HAPI FHIR has recovered and you want to immediately drain the retry queue rather than waiting for the half-open transition.