https://community.developer.cybersource.com/t5/Integration-and-Testing/Data-required-to-refund-an-ACH-payment/m-p/95010#M58711 <P>I am writing code to refund an ACH payment. For credit card refunds, all I provide is the last 4 characters of the credit card number and the original transaction ID. But for ACH refunds it appears that I must provide all of the original information including routing number, account number, account name and account type.</P><P>This seems like a bad security practice as I would need to keep this information inside the app rather than using what Authorize.net already has. Can someone confirm that my understanding is correct?</P> Mon, 23 Mar 2026 20:49:12 GMT jpullam 2026-03-23T20:49:12Z https://community.developer.cybersource.com/t5/Integration-and-Testing/Data-required-to-refund-an-ACH-payment/m-p/95010#M58711 <P>I am writing code to refund an ACH payment. For credit card refunds, all I provide is the last 4 characters of the credit card number and the original transaction ID. But for ACH refunds it appears that I must provide all of the original information including routing number, account number, account name and account type.</P><P>This seems like a bad security practice as I would need to keep this information inside the app rather than using what Authorize.net already has. Can someone confirm that my understanding is correct?</P> Mon, 23 Mar 2026 20:49:12 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/Data-required-to-refund-an-ACH-payment/m-p/95010#M58711 jpullam 2026-03-23T20:49:12Z