React Native Requires Chilkat v11.0.0+
React Native
Amazon Pay - Create Checkout Session
See more Amazon Pay Examples
Create a new Amazon Pay Checkout Session.Chilkat React Native Downloads
import { Http, HttpResponse, JsonObject, PrivateKey, StringBuilder } from '@chilkat/react-native'
async function chilkatExample() {
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
const http = new Http();
// Implements the following CURL command:
// curl "https://pay-api.amazon.com/:version/checkoutSessions/" \
// -X POST
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
// -d '{
// "webCheckoutDetails": {
// "checkoutReviewReturnUrl": "https://a.com/merchant-review-page"
// },
// "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
// "scopes": ["name", "email", "phoneNumber", "billingAddress"],
// "deliverySpecifications": {
// "specialRestrictions": ["RestrictPOBoxes"],
// "addressRestrictions": {
// "type": "Allowed",
// "restrictions": {
// "US": {
// "statesOrRegions": ["WA"],
// "zipCodes": ["95050", "93405"]
// },
// "GB": {
// "zipCodes": ["72046", "72047"]
// },
// "IN": {
// "statesOrRegions": ["AP"]
// },
// "JP": {}
// }
// }
// }
// }'
// 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": {
// "checkoutReviewReturnUrl": "https://a.com/merchant-review-page"
// },
// "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
// "scopes": [
// "name",
// "email",
// "phoneNumber",
// "billingAddress"
// ],
// "deliverySpecifications": {
// "specialRestrictions": [
// "RestrictPOBoxes"
// ],
// "addressRestrictions": {
// "type": "Allowed",
// "restrictions": {
// "US": {
// "statesOrRegions": [
// "WA"
// ],
// "zipCodes": [
// "95050",
// "93405"
// ]
// },
// "GB": {
// "zipCodes": [
// "72046",
// "72047"
// ]
// },
// "IN": {
// "statesOrRegions": [
// "AP"
// ]
// },
// "JP": {}
// }
// }
// }
// }
const json = new JsonObject();
json.updateString('webCheckoutDetails.checkoutReviewReturnUrl', 'https://a.com/merchant-review-page');
// Make sure to use your storeId here:
json.updateString('storeId', 'amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId');
let i = 0;
json.i = i;
json.updateString('scopes[i]', 'name');
i++;
json.i = i;
json.updateString('scopes[i]', 'email');
i++;
json.i = i;
json.updateString('scopes[i]', 'phoneNumber');
i++;
json.i = i;
json.updateString('scopes[i]', 'billingAddress');
json.updateString('deliverySpecifications.specialRestrictions[0]', 'RestrictPOBoxes');
json.updateString('deliverySpecifications.addressRestrictions.type', 'Allowed');
json.updateString('deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[0]', 'WA');
json.updateString('deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[0]', '95050');
json.updateString('deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[1]', '93405');
json.updateString('deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[0]', '72046');
json.updateString('deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[1]', '72047');
json.updateString('deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[0]', 'AP');
json.updateNewObject('deliverySpecifications.addressRestrictions.restrictions.JP');
// 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.
const privKey = new PrivateKey();
try {
privKey.loadPemFile('C:/someDir/myAmazonPayPrivateKey.pem');
} catch {
console.log(privKey.lastErrorText);
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
const publicKeyId = 'SANDBOX-AHEGSJCM3L2S637RBGABLAFW';
try {
http.setAuthPrivateKey(publicKeyId, privKey);
} catch {
console.log(http.lastErrorText);
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
// x-amz-pay-idempotency-key
// Authorization
http.accept = 'application/json';
// To use the live system, replace "sandbox" with "live" in the URL passed to HttpJson.
// Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
const resp = new HttpResponse();
try {
await http.httpJsonAsync('POST', 'https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/', json, 'application/json', resp);
} catch {
console.log(http.lastErrorText);
return;
}
const sbResponseBody = new StringBuilder();
resp.getBodySb(sbResponseBody);
const jResp = new JsonObject();
jResp.loadSb(sbResponseBody);
jResp.emitCompact = false;
// If the status code is not equal to 201, this will display error information.
console.log('Response Body:');
console.log(jResp.emit());
const respStatusCode = resp.statusCode;
console.log(`Response Status Code = ${respStatusCode}`);
if (respStatusCode !== 201) {
// The jResp would've contained an error message, similar to this:
// {
// "reasonCode": "InvalidHeaderValue",
// "message": "The value AF2EGWREIPHV2S2TUFFBRDGM provided for PublicKeyId is invalid. Please verify that you are using the PublicKeyId in the correct region and environment."
// }
console.log('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
// },
// "productType": "PayAndShip",
// "chargePermissionType": "Recurring",
// "recurringMetadata": {
// "frequency": {
// "unit": "Month",
// "value": "1"
// },
// "amount": {
// "amount": "30",
// "currencyCode": "USD"
// }
// },
// "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": null,
// "billingAddress": null,
// "paymentPreferences": [
// null
// ],
// "statusDetails": {
// "state": "Open",
// "reasonCode": null,
// "reasonDescription": null,
// "lastUpdatedTimestamp": "20191015T204327Z"
// },
// "shippingAddress": null,
// "platformId": null,
// "chargePermissionId": null,
// "chargeId": null,
// "constraints": [
// {
// "constraintId": "BuyerNotAssociated",
// "description": "There is no buyer associated with the Checkout Session. Return the checkout session id to the Amazon Pay Button to allow buyer to login."
// },
// {
// "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
let constraintId = '';
let description = '';
let strVal = '';
const checkoutSessionId = jResp.stringOf('checkoutSessionId');
const webCheckoutDetailsCheckoutReviewReturnUrl = jResp.stringOf('webCheckoutDetails.checkoutReviewReturnUrl');
const webCheckoutDetailsCheckoutResultReturnUrl = jResp.stringOf('webCheckoutDetails.checkoutResultReturnUrl');
const webCheckoutDetailsCheckoutCancelUrl = jResp.stringOf('webCheckoutDetails.checkoutCancelUrl');
const webCheckoutDetailsAmazonPayRedirectUrl = jResp.stringOf('webCheckoutDetails.amazonPayRedirectUrl');
const productType = jResp.stringOf('productType');
const chargePermissionType = jResp.stringOf('chargePermissionType');
const recurringMetadataFrequencyUnit = jResp.stringOf('recurringMetadata.frequency.unit');
const recurringMetadataFrequencyValue = jResp.stringOf('recurringMetadata.frequency.value');
const recurringMetadataAmountAmount = jResp.stringOf('recurringMetadata.amount.amount');
const recurringMetadataAmountCurrencyCode = jResp.stringOf('recurringMetadata.amount.currencyCode');
const paymentDetailsPaymentIntent = jResp.stringOf('paymentDetails.paymentIntent');
const paymentDetailsChargeAmount = jResp.stringOf('paymentDetails.chargeAmount');
const paymentDetailsTotalOrderAmount = jResp.stringOf('paymentDetails.totalOrderAmount');
const paymentDetailsSoftDescriptor = jResp.stringOf('paymentDetails.softDescriptor');
const paymentDetailsPresentmentCurrency = jResp.stringOf('paymentDetails.presentmentCurrency');
const paymentDetailsAllowOvercharge = jResp.stringOf('paymentDetails.allowOvercharge');
const paymentDetailsExtendExpiration = jResp.stringOf('paymentDetails.extendExpiration');
const merchantMetadataMerchantReferenceId = jResp.stringOf('merchantMetadata.merchantReferenceId');
const merchantMetadataMerchantStoreName = jResp.stringOf('merchantMetadata.merchantStoreName');
const merchantMetadataNoteToBuyer = jResp.stringOf('merchantMetadata.noteToBuyer');
const merchantMetadataCustomInformation = jResp.stringOf('merchantMetadata.customInformation');
const supplementaryData = jResp.stringOf('supplementaryData');
const buyer = jResp.stringOf('buyer');
const billingAddress = jResp.stringOf('billingAddress');
const statusDetailsState = jResp.stringOf('statusDetails.state');
const statusDetailsReasonCode = jResp.stringOf('statusDetails.reasonCode');
const statusDetailsReasonDescription = jResp.stringOf('statusDetails.reasonDescription');
const statusDetailsLastUpdatedTimestamp = jResp.stringOf('statusDetails.lastUpdatedTimestamp');
const shippingAddress = jResp.stringOf('shippingAddress');
const platformId = jResp.stringOf('platformId');
const chargePermissionId = jResp.stringOf('chargePermissionId');
const chargeId = jResp.stringOf('chargeId');
const creationTimestamp = jResp.stringOf('creationTimestamp');
const expirationTimestamp = jResp.stringOf('expirationTimestamp');
const storeId = jResp.stringOf('storeId');
const deliverySpecificationsAddressRestrictionsType = jResp.stringOf('deliverySpecifications.addressRestrictions.type');
const providerMetadataProviderReferenceId = jResp.stringOf('providerMetadata.providerReferenceId');
const releaseEnvironment = jResp.stringOf('releaseEnvironment');
i = 0;
let countI = jResp.sizeOfArray('paymentPreferences');
while (i < countI) {
jResp.i = i;
jResp.isNullOf('paymentPreferences[i]');
i++;
}
i = 0;
countI = jResp.sizeOfArray('constraints');
while (i < countI) {
jResp.i = i;
constraintId = jResp.stringOf('constraints[i].constraintId');
description = jResp.stringOf('constraints[i].description');
i++;
}
i = 0;
countI = jResp.sizeOfArray('deliverySpecifications.specialRestrictions');
while (i < countI) {
jResp.i = i;
strVal = jResp.stringOf('deliverySpecifications.specialRestrictions[i]');
i++;
}
i = 0;
countI = jResp.sizeOfArray('deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions');
while (i < countI) {
jResp.i = i;
strVal = jResp.stringOf('deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[i]');
i++;
}
i = 0;
countI = jResp.sizeOfArray('deliverySpecifications.addressRestrictions.restrictions.US.zipCodes');
while (i < countI) {
jResp.i = i;
strVal = jResp.stringOf('deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[i]');
i++;
}
i = 0;
countI = jResp.sizeOfArray('deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes');
while (i < countI) {
jResp.i = i;
strVal = jResp.stringOf('deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[i]');
i++;
}
i = 0;
countI = jResp.sizeOfArray('deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions');
while (i < countI) {
jResp.i = i;
strVal = jResp.stringOf('deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[i]');
i++;
}
}