All Worldpay codes
WORLDPAY · REFUSAL CODE
Worldpay600
The Service Code, Business Code and Message Code message element values are invalid.
Worldpay saysIntegration issue
600The Service Code, Business Code and Message Code message element values are invalid.
What it means
Invalid request data
A field in the request has a wrong value or format.
What to do
Compare the request with the provider's API reference. The response detail usually names the field.
Don't retry as-isWho can fix it: You, the merchant
Yuno response codeINVALID_PARAMETERS
Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.