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Payment portal key as MD5 value. The key is used to check the authentification of the sender (either your system for sending requests or PAYONE platform for sending notifications).


CHAR(1..32) lowercase
Permitted Symbols

  • MD5 value has to be presented in lower case
  • Not the key as a value is used, but the MD5 hash of the key value.
  • You can assign the key to be used in the PMI (PAYONE Merchant Interface) in the portal configuration.

Do not pass this key to third parties in any case.

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