Response after message submission
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/MessageResponse", "title": "MessageResponse", "type": "object", "description": "Response after message submission", "properties": { "messageId": { "type": "string", "description": "Unique message identifier assigned by the system" }, "status": { "type": "string", "enum": [ "RECEIVED", "VALIDATED", "QUEUED" ] }, "channel": { "type": "string", "description": "Assigned routing channel" }, "destinationSystem": { "type": "string", "description": "Resolved destination system" }, "createdAt": { "type": "string", "format": "date-time" } } }