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Transactions are failing with the error message: Zipcode Field required REFID

Error message: (300) The zipcode field is required REFID: XXXXXX

Solution

The error: The operation failed as the authorization transaction had returned an error. Error message: (300) The zipcode field is required REFID: XXXXXXX  is being thrown by the NMI gateway.

Chargebee does not have direct integration with NMI. Instead, Chargebee uses Spreedly, a third-party card vault, to store the customer's card information.

We recommend you reach out to the NMI gateway team directly to get this sorted.