Sample code for 30+ languages & platforms
Dart Requires Chilkat v11.0.0+

Amazon Pay - Create Delivery Tracker

See more Amazon Pay Examples

Create a Delivery Tracker once an order has been shipped and a tracking code has been generated.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

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

  final http = CkHttp();

  // Implements the following POST:

  // POST /:version/deliveryTrackers HTTP/1.1
  // Host: pay-api.amazon.com
  // Accept: application/json
  // Authorization: AMZN-PAY-RSASSA-PSS PublicKeyId=f4fc06fc-c5a7-11e7-abc4-cec278b6b50a, SignedHeaders=content-type;x-amz-pay-date, Signature=4164128ec5d1b9da1700167ab2ccda8125f472c8bb9de447cebf5d741ee317c8       
  // X-Amz-Pay-Date: 20190305T024410Z
  // Content-type: application/json
  // 
  // {
  //     "amazonOrderReferenceId" : "P00-0000000-0000000",
  //     "deliveryDetails" : [{
  //     "trackingNumber" : "1Z999AA10123456784",
  //     "carrierCode" : "UPS"
  //   }]
  // }

  // Use the following online tool to generate HTTP code from a CURL command
  // Convert a Raw HTTP Request to 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.

  // {
  //     "amazonOrderReferenceId" : "P00-0000000-0000000",
  //     "deliveryDetails" : [{
  //     "trackingNumber" : "1Z999AA10123456784",
  //     "carrierCode" : "UPS"
  //   }]
  // }

  final json = CkJsonObject();
  json.updateString('amazonOrderReferenceId', 'P00-0000000-0000000');
  json.updateString('deliveryDetails[0].trackingNumber', '1Z999AA10123456784');
  json.updateString('deliveryDetails[0].carrierCode', 'UPS');

  // 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.
  final privKey = CkPrivateKey();
  try {
    privKey.loadPemFile('C:/someDir/myAmazonPayPrivateKey.pem');
  } on ChilkatException catch (e) {
    print(e.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
  final publicKeyId = 'SANDBOX-AHEGSJCM3L2S637RBGABLAFW';
  try {
    http.setAuthPrivateKey(publicKeyId, privKey);
  } on ChilkatException catch (e) {
    print(e.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
  final resp = CkHttpResponse();
  try {
    http.httpJson('POST', 'https://pay-api.amazon.eu/sandbox/v2/deliveryTrackers', json, 'application/json', resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final sbResponseBody = CkStringBuilder();
  resp.getBodySb(sbResponseBody);
  final jResp = CkJsonObject();
  jResp.loadSb(sbResponseBody);
  jResp.emitCompact = false;

  // If the status code is not equal to 200, this will display error information.
  print('Response Body:');
  print(jResp.emit());

  final respStatusCode = resp.statusCode;
  print('Response Status Code = $respStatusCode');
  if (respStatusCode != 200) {
    print('Failed.');
    return;
  }

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

  // {
  //     "amazonOrderReferenceId": "P00-0000000-0000000",
  //     "deliveryDetails": [{
  //         "trackingNumber": "1Z999AA10123456784",
  //         "carrierCode": "UPS"
  //     }]
  // }

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

  var trackingNumber = '';
  var carrierCode = '';

  final amazonOrderReferenceId = jResp.stringOf('amazonOrderReferenceId');
  var i = 0;
  final countI = jResp.sizeOfArray('deliveryDetails');
  while (i < countI) {
    jResp.i = i;
    trackingNumber = jResp.stringOf('deliveryDetails[i].trackingNumber');
    carrierCode = jResp.stringOf('deliveryDetails[i].carrierCode');
    i++;
  }
}