Multiple Invalid Parameters

Understand the SumUp API Multiple Invalid Parameters response, common causes, and example payload for requests with several invalid fields.

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Indicates that the server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

Common Causes

Multiple fields fail validation in the same request.
Mutually exclusive parameters are provided together.
A nested object contains one or more invalid fields.

[
  {
    "error_code": "INVALID",
    "message": "Validation error",
    "param": "card.name"
  },
  {
    "error_code": "INVALID",
    "message": "Validation error",
    "param": "card.number"
  },
  {
    "error_code": "INVALID",
    "message": "Validation error",
    "param": "card.expiry_year"
  }
]