It's part of your business model. Free trials and other incentives are offered to encourage new customers to subscribe to your services. As part of the process, free-trial'ers must be pre-authorized by providing their credit card information to give your services a try.
But what happens when pre-authorization fails? What are the payment gateway checks and validations used during pre-authorization process?
Your payment gateway provider defines the fraud prevention policies that validates credit card information during the credit card authorization process. These validations can vary among gateway providers. Common validations can include address verification, expiration dates, to name just a few. The following are key points that can assist with pre-authorization:
Zuora relies almost exclusively on the payment gateway to validate the payment method data, with the following exceptions:
Zuora passes all nonempty payment method fields to the gateway for validation, including the method's billing address, IP address, and so on.
Contact your payment gateway provider or check their website. They should be able to provide you with their fraud prevention policies.
Zuora can pass in additional fields, called Gateway Options, to a gateway. These fields enable you to pass additional data for fraud checking or other gateway-specific functions.
See How do I control how Zuora authorizes payment methods? for additional information.