JUMP TOAffirm APIIntroductionAuthenticationErrorsMetadataData TypesMerchant Transaction APIThe Transaction ObjectTransaction API EndpointsTransactions APIList TransactionsgetAuthorize TransactionpostList Transaction EventsgetRead TransactiongetUpdate TransactionpostCapture TransactionpostRefund TransactionpostVoid TransactionpostList Settlement EventsgetList Settlement Event SummariesgetThe Transaction Event ObjectCheckout APIThe Checkout ObjectThe Merchant ObjectThe Discount ObjectThe Metadata ObjectThe Store ObjectThe Item ObjectThe Itinerary ObjectShipping & Billing ObjectsName ObjectAddress ObjectCheckoutRead CheckoutgetStorepostDirectpostUpdate CheckoutpostResend CheckoutpostCards APICards APIRead CardgetCancel CardpostFinalize a cardpostCharges APICharges APIAuthorize ChargepostList ChargesgetList charge eventsgetRead ChargegetCapture ChargepostRefund ChargepostUpdate ChargepostVoid ChargepostProgressgetVoid Transactionpost https://sandbox.affirm.com/api/v1/transactions/{transaction_id}/voidVoids an entire transaction.