{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Details Error",
  "description": "Error message structure.",
  "type": "object",
  "properties": {
    "title": {
      "description": "Short title of the error.",
      "type": "string",
      "example": "Bad Request"
    },
    "details": {
      "description": "Details of the error.",
      "type": "string",
      "example": "One or more of the parameters are invalid."
    },
    "status": {
      "description": "The status code.",
      "type": "number",
      "example": 400
    },
    "failed_constraints": {
      "description": "List of violated validation constraints.",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "message": {
            "type": "string"
          },
          "reference": {
            "type": "string"
          }
        }
      },
      "example": [
        {
          "message": "Currency must also be specified when filtering by amount",
          "reference": "currency"
        }
      ]
    }
  }
}