JUMP TOPayments APIGet ChannelsgetGet NetworksgetGet RatesgetGet AccountgetResolve Bank AccountpostWidget QuotepostGet Crypto ChannelsgetPaymentsSubmit Payment RequestpostAccept Payment RequestpostDeny Payment RequestpostLookup PaymentgetLookup Payment by sequenceIdgetList PaymentsgetCollectionsSubmit Collection RequestpostAccept Collection RequestpostDeny Collection RequestpostCancel CollectionpostRefund collectionpostLookup CollectiongetLookup Collection by sequenceIdgetList CollectiongetWebhooksCreate WebhookpostUpdate WebhookputRemove WebhookdeleteList WebhooksgetSettlementLookup Settlement by sequenceIdgetSubmit Settlement RequestpostPowered by Deny Payment Requestpost https://sandbox.api.yellowcard.io/business/payments/{id}/denyDeny a payment request.