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Payment Method Not Allowed

Understand the SumUp API Payment Method Not Allowed response, common causes, and example payload for unsupported payment methods.

Ensure the payment method for the respective checkout, supports the merchant’s country. To check which countries a payment method supports, visit our documentation on Alternative Payment Methods.

Common Causes

Section titled “Common Causes”
  • The payment method is not enabled for the merchant account.
  • The checkout currency is not supported by the selected payment method.
  • The payment method is not available in the merchant’s country.
{
  "type": "https://developer.sumup.com/problem/payment-method-not-allowed",
  "title": "Bad Request",
  "status": 400,
  "detail": "The BLIK payment method is not allowed for this checkout session",
  "instance": "7fe5fcddbf28"
}