(Perl) Amazon Pay - Complete Checkout Session

See more Amazon Pay Examples

Complete Checkout Session after the buyer returns to checkoutResultReturnUrl to finalize the paymentIntent.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/checkout-session.html#complete-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/complete" \
# -X POST
# -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
# -H "x-amz-pay-date:20201012T235046Z"
# -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
# -d '{
#     "chargeAmount": {
#         "amount": "14.00",
#         "currencyCode": "USD"
#     }
# }'

# 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.

# {
#   "chargeAmount": {
#     "amount": "14.00",
#     "currencyCode": "USD"
#   }
# }

$json = chilkat::CkJsonObject->new();
$json->UpdateString("chargeAmount.amount","14.00");
$json->UpdateString("chargeAmount.currencyCode","USD");

# 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
# x-amz-pay-idempotency-key
# Authorization

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

# 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
$success = $http->SetUrlVar("sessionId","62b7d028-6c7c-4a43-b077-3897dff27c5b");
# resp is a HttpResponse
$resp = $http->PostJson3("https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete","application/json",$json);
if ($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'"
    # 	}

    # Another sample failure response (status code = 422)
    # 	{
    # 	  "reasonCode": "InvalidCheckoutSessionStatus",
    # 	  "message": "You tried to call an operation on a Checkout Session that is in a state where that operation is not allowed"
    # 	}

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

    exit;
}

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

# {
#   "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
#   "webCheckoutDetails": null,
#   "chargePermissionType": "OneTime",
#   "recurringMetadata": null,
#   "productType": null,
#   "paymentDetails": null,
#   "merchantMetadata": null,
#   "supplementaryData": null,
#   "buyer": null,
#   "billingAddress": null,
#   "paymentPreferences": [
#     null
#   ],
#   "statusDetails": {
#     "state": "Completed",
#     "reasonCode": null,
#     "reasonDescription": null,
#     "lastUpdatedTimestamp": "20191015T204327Z"
#   },
#   "shippingAddress": null,
#   "platformId": null,
#   "chargePermissionId": "S01-5105180-3221187",
#   "chargeId": "S01-5105180-3221187-C056351",
#   "constraints": [
#     null
#   ],
#   "creationTimestamp": "20191015T204313Z",
#   "expirationTimestamp": null,
#   "storeId": null,
#   "deliverySpecifications": null,
#   "providerMetadata": null,
#   "releaseEnvironment": null
# }

# 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");
$webCheckoutDetails = $jResp->stringOf("webCheckoutDetails");
$chargePermissionType = $jResp->stringOf("chargePermissionType");
$recurringMetadata = $jResp->stringOf("recurringMetadata");
$productType = $jResp->stringOf("productType");
$paymentDetails = $jResp->stringOf("paymentDetails");
$merchantMetadata = $jResp->stringOf("merchantMetadata");
$supplementaryData = $jResp->stringOf("supplementaryData");
$buyer = $jResp->stringOf("buyer");
$billingAddress = $jResp->stringOf("billingAddress");
$statusDetailsState = $jResp->stringOf("statusDetails.state");
$statusDetailsReasonCode = $jResp->stringOf("statusDetails.reasonCode");
$statusDetailsReasonDescription = $jResp->stringOf("statusDetails.reasonDescription");
$statusDetailsLastUpdatedTimestamp = $jResp->stringOf("statusDetails.lastUpdatedTimestamp");
$shippingAddress = $jResp->stringOf("shippingAddress");
$platformId = $jResp->stringOf("platformId");
$chargePermissionId = $jResp->stringOf("chargePermissionId");
$chargeId = $jResp->stringOf("chargeId");
$creationTimestamp = $jResp->stringOf("creationTimestamp");
$expirationTimestamp = $jResp->stringOf("expirationTimestamp");
$storeId = $jResp->stringOf("storeId");
$deliverySpecifications = $jResp->stringOf("deliverySpecifications");
$providerMetadata = $jResp->stringOf("providerMetadata");
$releaseEnvironment = $jResp->stringOf("releaseEnvironment");
$i = 0;
$count_i = $jResp->SizeOfArray("paymentPreferences");
while ($i < $count_i) {
    $jResp->put_I($i);
    $nullVal = $jResp->IsNullOf("paymentPreferences[i]");
    $i = $i + 1;
}

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