Cancel a previously authorized transaction before it has been captured.
This releases the hold on the customer's payment method without charging them.

About Transaction Cancellation

Cancel operations are used to:

• Release authorization holds on customer payment methods
• Cancel transactions before goods/services are delivered
• Handle order cancellations and inventory issues
• Free up customer credit limits

Use cancellation for:

• Order cancellations before fulfillment
• Inventory unavailability
• Customer-requested cancellations
• Authorization cleanup when capture is not needed

Note: Only authorized (uncaptured) transactions can be cancelled.