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5. API Error handling

This section describes the different error formats returned by the API system.

There are two types of error responses: request validation errors (422) and all others (4XX and 5XX).

Validation Error​

{
  "errorCode": "VALIDATION_ERROR",
  "message": "Input validation errors",
  "errors": {
    "amount": [
      "[required]: Is a required non-nullable field",
      "[int]: Must be an integer",
      "[min:0]: Must be greater than 0",
      "[max:999999999]: Must be less than 999999999"
    ]
  }
}

Other Errors​

{
  "errorCode": "INVALID_OR_EXPIRED_SESSION",
  "message": "Invalid session authentication or the session has expired."
}