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L2 fields

This reference details the mapping of Zuora fields to gateway fields, including descriptions and requirements for each field.

Zuora field

Gateway field

Description

Required

gwOptions_InvoiceNum

payment.request.processing.order_id

The number provided by the cardholder. Purchase order or invoice number may be used.

Yes

gwOptions_TaxSum

payment.request.processing.tax_amount

The value-added tax registration number.

Yes

gwOptions_InvoiceDiscount

payment.request.processing.discount_amount

The discount amount applied to the transaction by the merchant.

No