Authorization Reversal Service {#samsungpay-reversal-intro}
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The authorization reversal service is a follow-on service that uses the request ID returned from the previous authorization. An authorization reversal releases the hold that the authorization placed on the customer's credit card funds. Use this service to reverse an unnecessary or undesired authorization.

| Payment Processor |                                    Authorization Reversal Information                                    |
|-------------------|----------------------------------------------------------------------------------------------------------|
| `GPN`             | Card types supported for full authorization reversals: Visa, Mastercard, Discover, Diners Club, and JCB. |
[Processor-Specific Information About Authorization Reversals]