Sample code for 30+ languages & platforms
Java

Amazon Pay - Get Checkout Session

See more Amazon Pay Examples

Get Checkout Session details includes buyer info, payment instrument details, and shipping address.

Chilkat Java Downloads

Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.PrivateKey;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Http http = new Http();

        // Implements the following CURL command:

        // curl "https://pay-api.amazon.com/:version/checkoutSessions/:checkoutSessionId"
        //   -X GET
        //   -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
        //   -H "x-amz-pay-date:20201012T235046Z"

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

        // 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.
        PrivateKey privKey = new PrivateKey();
        try {
            privKey.loadPemFile("C:/someDir/myAmazonPayPrivateKey.pem");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // 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
        String publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
        try {
            http.setAuthPrivateKey(publicKeyId, privKey);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // 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.setAccept("application/json");

        int respStatusCode = 0;

        StringBuilder sbResponseBody = new StringBuilder();
        http.setUrlVar("sessionId", "62b7d028-6c7c-4a43-b077-3897dff27c5b");
        // To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
        // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
        try {
            http.quickGetSb("https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}", sbResponseBody);
        } catch (ChilkatException e) {
            // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
            respStatusCode = http.getLastStatus();
            if (respStatusCode != 0) {
                System.out.println("Response Status Code = " + respStatusCode);
                // 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'"}

                System.out.println("Response body:");
                System.out.println(http.getLastResponseBody());
            } else {
                System.out.println(e.getLastErrorText());
            }

            return;
        }

        JsonObject jResp = new JsonObject();
        jResp.loadSb(sbResponseBody);
        jResp.setEmitCompact(false);

        System.out.println("Response Body:");
        System.out.println(jResp.emit());

        respStatusCode = http.getLastStatus();
        System.out.println("Response Status Code = " + respStatusCode);
        // We expect a 200 status code for success.
        // Note: Some Amazon Pay API calls return 200 for success, others return 201.
        if (respStatusCode != 200) {
            System.out.println("Failed.");
            return;
        }

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

        // {
        //   "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
        //   "webCheckoutDetails": {
        //     "checkoutReviewReturnUrl": "https://a.com/merchant-review-page",
        //     "checkoutResultReturnUrl": null,
        //     "checkoutCancelUrl": null,
        //     "amazonPayRedirectUrl": null
        //   },
        //   "chargePermissionType": "Recurring",
        //   "recurringMetadata": {
        //     "frequency": {
        //       "unit": "Month",
        //       "value": "1"
        //     },
        //     "amount": {
        //       "amount": "30",
        //       "currencyCode": "USD"
        //     }
        //   },
        //   "productType": "PayAndShip",
        //   "paymentDetails": {
        //     "paymentIntent": null,
        //     "canHandlePendingAuthorization": false,
        //     "chargeAmount": null,
        //     "totalOrderAmount": null,
        //     "softDescriptor": null,
        //     "presentmentCurrency": null,
        //     "allowOvercharge": null,
        //     "extendExpiration": null
        //   },
        //   "merchantMetadata": {
        //     "merchantReferenceId": null,
        //     "merchantStoreName": null,
        //     "noteToBuyer": null,
        //     "customInformation": null
        //   },
        //   "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": "20191015T204327Z"
        //   },
        //   "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": [
        //     {
        //       "constraintId": "ChargeAmountNotSet",
        //       "description": "chargeAmount is not set."
        //     },
        //     {
        //       "constraintId": "CheckoutResultReturnUrlNotSet",
        //       "description": "checkoutResultReturnUrl is not set."
        //     },
        //     {
        //       "constraintId": "PaymentIntentNotSet",
        //       "description": "paymentIntent is not set."
        //     }
        //   ],
        //   "creationTimestamp": "20191015T204313Z",
        //   "expirationTimestamp": "20191016T204313Z",
        //   "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

        String paymentDescriptor = "";
        String constraintId = "";
        String description = "";
        String strVal = "";

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

        i = 0;
        count_i = jResp.sizeOfArray("constraints");
        while (i < count_i) {
            jResp.setI(i);
            constraintId = jResp.stringOf("constraints[i].constraintId");
            description = jResp.stringOf("constraints[i].description");
            i = i + 1;
        }

        i = 0;
        count_i = jResp.sizeOfArray("deliverySpecifications.specialRestrictions");
        while (i < count_i) {
            jResp.setI(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.setI(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.setI(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.setI(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.setI(i);
            strVal = jResp.stringOf("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[i]");
            i = i + 1;
        }
    }
}