Request & response format

• Requests and responses are JSON. Send Content-Type: application/json on requests with a body.

• Success responses are wrapped:

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  { "success": true, "data": { /* payload */ }, "message": "optional human string" }
  

  data is omitted for actions that return nothing (e.g. delete, close). Some endpoints return data as an array.

• Error responses:

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  { "success": false, "error": "Human-readable reason", "errorCode": 1234 }
  

  errorCode is present only for some broker/MT5-level failures.