Apple Pay-AMEX

Number of APIs: 3

1. Operation 1: Create Payment Session POST https://{{domain}}/api/rest/version/{{collectionVersion}}/merchant/{{merchantId}}/session

2. Operation 2: Update Session PUT https://{{domain}}/api/rest/version/{{collectionVersion}}/merchant/{{merchantId}}/session/{{sessionId}}

3. Operation 3: Pay PUT https://{{domain}}/api/rest/version/{{collectionVersion}}/merchant/{{merchantId}}/order/{{paymentSessionOrderId}}/transaction/{{payTransactionId}}