(Perl) Amazon Pay - Update Checkout Session

See more Amazon Pay Examples

Update the Checkout Session with transaction details.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/checkout-session.html#update-checkout-session

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$http = chilkat::CkHttp->new();

# Implements the following CURL command:

# curl "https://pay-api.amazon.com/:version/checkoutSessions/:checkoutSessionId" \
# -X PATCH
# -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
# -H "x-amz-pay-date:20201012T235046Z"
# -d '{
#     "webCheckoutDetails": {
#         "checkoutResultReturnUrl": "https://a.com/merchant-confirm-page"
#     },
#     "paymentDetails": {
#         "paymentIntent": "AuthorizeWithCapture",
#         "canHandlePendingAuthorization":false,
#         "softDescriptor": "Descriptor",
#         "chargeAmount": {
#             "amount": "1",
#             "currencyCode": "USD"
#         }
#      },
#     "merchantMetadata": {
#         "merchantReferenceId": "Merchant reference ID",
#         "merchantStoreName": "Merchant store name",
#         "noteToBuyer": "Note to buyer",
#         "customInformation": "Custom information"
#     }
# }'

# Use the following online tool to generate HTTP code from a CURL command
# Convert a cURL Command to HTTP Source Code

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

# The following JSON is sent in the request body.

# {
#   "webCheckoutDetails": {
#     "checkoutResultReturnUrl": "https://a.com/merchant-confirm-page"
#   },
#   "paymentDetails": {
#     "paymentIntent": "AuthorizeWithCapture",
#     "canHandlePendingAuthorization": false,
#     "softDescriptor": "Descriptor",
#     "chargeAmount": {
#       "amount": "1",
#       "currencyCode": "USD"
#     }
#   },
#   "merchantMetadata": {
#     "merchantReferenceId": "Merchant reference ID",
#     "merchantStoreName": "Merchant store name",
#     "noteToBuyer": "Note to buyer",
#     "customInformation": "Custom information"
#   }
# }

$json = chilkat::CkJsonObject->new();
$json->UpdateString("webCheckoutDetails.checkoutResultReturnUrl","https://a.com/merchant-confirm-page");
$json->UpdateString("paymentDetails.paymentIntent","AuthorizeWithCapture");
$json->UpdateBool("paymentDetails.canHandlePendingAuthorization",0);
$json->UpdateString("paymentDetails.softDescriptor","Descriptor");
$json->UpdateString("paymentDetails.chargeAmount.amount","1");
$json->UpdateString("paymentDetails.chargeAmount.currencyCode","USD");
$json->UpdateString("merchantMetadata.merchantReferenceId","Merchant reference ID");
$json->UpdateString("merchantMetadata.merchantStoreName","Merchant store name");
$json->UpdateString("merchantMetadata.noteToBuyer","Note to buyer");
$json->UpdateString("merchantMetadata.customInformation","Custom information");

$sbRequestBody = chilkat::CkStringBuilder->new();
$json->EmitSb($sbRequestBody);

# Load your Amazon Pay private key.  
# There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
# or from in-memory strings or bytes.
$privKey = chilkat::CkPrivateKey->new();
$success = $privKey->LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem");
if ($success == 0) {
    print $privKey->lastErrorText() . "\r\n";
    exit;
}

# Provide your Amazon Pay private key and Public Key ID 
# Use your public key ID here.  It must be the one associated with the private key.
# Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
$publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
$success = $http->SetAuthPrivateKey($publicKeyId,$privKey);
if ($success == 0) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

# Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
# and will also sign the request.  Nothing more is needed.
# Chilkat automatically generates and adds the following headers:
# 
# x-amz-pay-date
# x-amz-pay-host
# x-amz-pay-region
# Authorization

$http->put_Accept("application/json");

$success = $http->SetUrlVar("sessionId","62b7d028-6c7c-4a43-b077-3897dff27c5b");
# To use the live system, replace "sandbox" with "live" in the URL passed to PTextSb.
# Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
# resp is a HttpResponse
$resp = $http->PTextSb("PATCH","https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}",$sbRequestBody,"utf-8","application/json",0,0);
if ($http->get_LastMethodSuccess() == 0) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

$sbResponseBody = chilkat::CkStringBuilder->new();
$resp->GetBodySb($sbResponseBody);
$jResp = chilkat::CkJsonObject->new();
$jResp->LoadSb($sbResponseBody);
$jResp->put_EmitCompact(0);

# If the status code is not equal to 200, this will display error information.
print "Response Body:" . "\r\n";
print $jResp->emit() . "\r\n";

$respStatusCode = $resp->get_StatusCode();
print "Response Status Code = " . $respStatusCode . "\r\n";
if ($respStatusCode != 200) {

    # A sample response body for the case where the session ID does not exist:
    # 	{
    # 	  "reasonCode": "ResourceNotFound",
    # 	  "message": "Resource you are trying to access is not available. Requested path '/sandbox/v2/checkoutSessions/bd504926-f659-4ad7-a1a9-9a747aaf5275'"
    # 	}

    print "Failed." . "\r\n";

    exit;
}

# Sample JSON response:
# (Sample code for parsing the JSON response is shown below)

# {
#   "checkoutSessionId": "ada3f397-7d4b-4a55-abac-786685c02d8b",
#   "webCheckoutDetails": {
#     "checkoutReviewReturnUrl": "https://a.com/merchant-review-page",
#     "checkoutResultReturnUrl": "https://a.com/merchant-confirm-page",
#     "checkoutCancelUrl": null,
#     "amazonPayRedirectUrl": "https://pay.amazon.com/redirect/checkoutId-1"
#   },
#   "productType": "PayAndShip",
#   "paymentDetails": {
#     "paymentIntent": "AuthorizeWithCapture",
#     "canHandlePendingAuthorization": false,
#     "chargeAmount": {
#       "amount": "1",
#       "currencyCode": "USD"
#     },
#     "totalOrderAmount": null,
#     "softDescriptor": "Descriptor",
#     "presentmentCurrency": "USD",
#     "allowOvercharge": null,
#     "extendExpiration": null
#   },
#   "merchantMetadata": {
#     "merchantReferenceId": "Merchant reference ID",
#     "merchantStoreName": "Merchant store name",
#     "noteToBuyer": "Note to buyer",
#     "customInformation": "Custom information"
#   },
#   "supplementaryData": null,
#   "buyer": {
#     "buyerId": "buyerId",
#     "name": "name-1",
#     "email": "name@amazon.com",
#     "phoneNumber": "800-000-0000",
#     "primeMembershipTypes": null
#   },
#   "billingAddress": {
#     "name": "Work",
#     "addressLine1": "440 Terry Ave",
#     "addressLine2": "",
#     "addressLine3": "",
#     "city": "Seattle",
#     "county": "King",
#     "district": "Seattle",
#     "stateOrRegion": "WA",
#     "postalCode": "98121",
#     "countryCode": "US"
#   },
#   "paymentPreferences": [
#     {
#       "paymentDescriptor": "Your selected Amazon payment method"
#     }
#   ],
#   "statusDetails": {
#     "state": "Open",
#     "reasonCode": null,
#     "reasonDescription": null,
#     "lastUpdatedTimestamp": "20191015T195703Z"
#   },
#   "shippingAddress": {
#     "name": "Susie Smith",
#     "addressLine1": "10 Ditka Ave",
#     "addressLine2": "Suite 2500",
#     "addressLine3": null,
#     "city": "Chicago",
#     "county": null,
#     "district": null,
#     "stateOrRegion": "IL",
#     "postalCode": "60602",
#     "countryCode": "US",
#     "phoneNumber": "800-000-0000"
#   },
#   "platformId": null,
#   "chargePermissionId": null,
#   "chargeId": null,
#   "constraints": [
#   ],
#   "creationTimestamp": "20191015T195655Z",
#   "expirationTimestamp": "20191016T195655Z",
#   "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
#   "deliverySpecifications": {
#     "specialRestrictions": [
#       "RestrictPOBoxes"
#     ],
#     "addressRestrictions": {
#       "type": "Allowed",
#       "restrictions": {
#         "US": {
#           "statesOrRegions": [
#             "WA"
#           ],
#           "zipCodes": [
#             "95050",
#             "93405"
#           ]
#         },
#         "GB": {
#           "zipCodes": [
#             "72046",
#             "72047"
#           ]
#         },
#         "IN": {
#           "statesOrRegions": [
#             "AP"
#           ]
#         },
#         "JP": {}
#       }
#     }
#   },
#   "providerMetadata": {
#     "providerReferenceId": null
#   },
#   "releaseEnvironment": "Sandbox"
# }

# Sample code for parsing the JSON response...
# Use the following online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

$checkoutSessionId = $jResp->stringOf("checkoutSessionId");
$webCheckoutDetailsCheckoutReviewReturnUrl = $jResp->stringOf("webCheckoutDetails.checkoutReviewReturnUrl");
$webCheckoutDetailsCheckoutResultReturnUrl = $jResp->stringOf("webCheckoutDetails.checkoutResultReturnUrl");
$webCheckoutDetailsCheckoutCancelUrl = $jResp->stringOf("webCheckoutDetails.checkoutCancelUrl");
$webCheckoutDetailsAmazonPayRedirectUrl = $jResp->stringOf("webCheckoutDetails.amazonPayRedirectUrl");
$productType = $jResp->stringOf("productType");
$paymentDetailsPaymentIntent = $jResp->stringOf("paymentDetails.paymentIntent");
$paymentDetailsCanHandlePendingAuthorization = $jResp->BoolOf("paymentDetails.canHandlePendingAuthorization");
$paymentDetailsChargeAmountAmount = $jResp->stringOf("paymentDetails.chargeAmount.amount");
$paymentDetailsChargeAmountCurrencyCode = $jResp->stringOf("paymentDetails.chargeAmount.currencyCode");
$paymentDetailsTotalOrderAmount = $jResp->stringOf("paymentDetails.totalOrderAmount");
$paymentDetailsSoftDescriptor = $jResp->stringOf("paymentDetails.softDescriptor");
$paymentDetailsPresentmentCurrency = $jResp->stringOf("paymentDetails.presentmentCurrency");
$paymentDetailsAllowOvercharge = $jResp->stringOf("paymentDetails.allowOvercharge");
$paymentDetailsExtendExpiration = $jResp->stringOf("paymentDetails.extendExpiration");
$merchantMetadataMerchantReferenceId = $jResp->stringOf("merchantMetadata.merchantReferenceId");
$merchantMetadataMerchantStoreName = $jResp->stringOf("merchantMetadata.merchantStoreName");
$merchantMetadataNoteToBuyer = $jResp->stringOf("merchantMetadata.noteToBuyer");
$merchantMetadataCustomInformation = $jResp->stringOf("merchantMetadata.customInformation");
$supplementaryData = $jResp->stringOf("supplementaryData");
$buyerBuyerId = $jResp->stringOf("buyer.buyerId");
$buyerName = $jResp->stringOf("buyer.name");
$buyerEmail = $jResp->stringOf("buyer.email");
$buyerPhoneNumber = $jResp->stringOf("buyer.phoneNumber");
$buyerPrimeMembershipTypes = $jResp->stringOf("buyer.primeMembershipTypes");
$billingAddressName = $jResp->stringOf("billingAddress.name");
$billingAddressAddressLine1 = $jResp->stringOf("billingAddress.addressLine1");
$billingAddressAddressLine2 = $jResp->stringOf("billingAddress.addressLine2");
$billingAddressAddressLine3 = $jResp->stringOf("billingAddress.addressLine3");
$billingAddressCity = $jResp->stringOf("billingAddress.city");
$billingAddressCounty = $jResp->stringOf("billingAddress.county");
$billingAddressDistrict = $jResp->stringOf("billingAddress.district");
$billingAddressStateOrRegion = $jResp->stringOf("billingAddress.stateOrRegion");
$billingAddressPostalCode = $jResp->stringOf("billingAddress.postalCode");
$billingAddressCountryCode = $jResp->stringOf("billingAddress.countryCode");
$statusDetailsState = $jResp->stringOf("statusDetails.state");
$statusDetailsReasonCode = $jResp->stringOf("statusDetails.reasonCode");
$statusDetailsReasonDescription = $jResp->stringOf("statusDetails.reasonDescription");
$statusDetailsLastUpdatedTimestamp = $jResp->stringOf("statusDetails.lastUpdatedTimestamp");
$shippingAddressName = $jResp->stringOf("shippingAddress.name");
$shippingAddressAddressLine1 = $jResp->stringOf("shippingAddress.addressLine1");
$shippingAddressAddressLine2 = $jResp->stringOf("shippingAddress.addressLine2");
$shippingAddressAddressLine3 = $jResp->stringOf("shippingAddress.addressLine3");
$shippingAddressCity = $jResp->stringOf("shippingAddress.city");
$shippingAddressCounty = $jResp->stringOf("shippingAddress.county");
$shippingAddressDistrict = $jResp->stringOf("shippingAddress.district");
$shippingAddressStateOrRegion = $jResp->stringOf("shippingAddress.stateOrRegion");
$shippingAddressPostalCode = $jResp->stringOf("shippingAddress.postalCode");
$shippingAddressCountryCode = $jResp->stringOf("shippingAddress.countryCode");
$shippingAddressPhoneNumber = $jResp->stringOf("shippingAddress.phoneNumber");
$platformId = $jResp->stringOf("platformId");
$chargePermissionId = $jResp->stringOf("chargePermissionId");
$chargeId = $jResp->stringOf("chargeId");
$creationTimestamp = $jResp->stringOf("creationTimestamp");
$expirationTimestamp = $jResp->stringOf("expirationTimestamp");
$storeId = $jResp->stringOf("storeId");
$deliverySpecificationsAddressRestrictionsType = $jResp->stringOf("deliverySpecifications.addressRestrictions.type");
$providerMetadataProviderReferenceId = $jResp->stringOf("providerMetadata.providerReferenceId");
$releaseEnvironment = $jResp->stringOf("releaseEnvironment");
$i = 0;
$count_i = $jResp->SizeOfArray("paymentPreferences");
while ($i < $count_i) {
    $jResp->put_I($i);
    $paymentDescriptor = $jResp->stringOf("paymentPreferences[i].paymentDescriptor");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("constraints");
while ($i < $count_i) {
    $jResp->put_I($i);
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("deliverySpecifications.specialRestrictions");
while ($i < $count_i) {
    $jResp->put_I($i);
    $strVal = $jResp->stringOf("deliverySpecifications.specialRestrictions[i]");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions");
while ($i < $count_i) {
    $jResp->put_I($i);
    $strVal = $jResp->stringOf("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[i]");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes");
while ($i < $count_i) {
    $jResp->put_I($i);
    $strVal = $jResp->stringOf("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[i]");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes");
while ($i < $count_i) {
    $jResp->put_I($i);
    $strVal = $jResp->stringOf("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[i]");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions");
while ($i < $count_i) {
    $jResp->put_I($i);
    $strVal = $jResp->stringOf("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[i]");
    $i = $i + 1;
}