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Billwerk+ (formerly Reepay) will, in case of a charge error, reply with both “Error state” and “Error code”
API documentation which lists a few soft_declined and hard_declined (error state) examples https://referenceoptimize-docs.reepaybillwerk.com/apireference/#testingtransaction_errors
BRP will invalidate RCP mandates if a charge attempt gets error state “hard_declined”. In other words it will be permanently blocked for future RCP attempts until the customer registers a new card.
“soft_declined” will not block any future attempts in BRP. Error code is saved in BRP invoice history and error state is visible in the Billwerk+ portal when viewing the transaction.
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