Dart Requires Chilkat v11.0.0+

Walmart v3 OAuth2 Access Token with Client Credentials

See more Walmart v3 Examples

Get access token by providing Client ID and Client Secret. 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 CURL command:

  // curl -X POST https://marketplace.walmartapis.com/v3/token \
  // --user clientId:clientSecret \
  // -H 'Content-Type: application/x-www-form-urlencoded' \
  // -H 'Accept: application/json' \
  // -H 'WM_SVC.NAME: Walmart Marketplace' \
  // -H 'WM_QOS.CORRELATION_ID: b3261d2d-028a-4ef7-8602-633c23200af6' \
  // -H 'WM_SVC.VERSION: 1.0.0' \
  // -d 'grant_type=client_credentials'

  final req = CkHttpRequest();
  req.httpVerb = 'POST';
  req.path = '/v3/token';
  req.contentType = 'application/x-www-form-urlencoded';
  req.addParam('grant_type', 'client_credentials');

  req.addHeader('WM_QOS.CORRELATION_ID', 'b3261d2d-028a-4ef7-8602-633c23200af6');
  req.addHeader('Accept', 'application/json');
  req.addHeader('WM_SVC.NAME', 'Walmart Marketplace');
  req.addHeader('WM_SVC.VERSION', '1.0.0');

  // Set the "--user clientId:clientSecret" by setting the Login and Password properties
  http.login = 'clientId';
  http.password = 'clientSecret';

  final resp = CkHttpResponse();
  try {
    http.httpReq('https://marketplace.walmartapis.com/v3/token', req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

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

  print('Response Body:');
  print(jResp.emit());

  final respStatusCode = resp.statusCode;
  print('Response Status Code = $respStatusCode');
  if (respStatusCode >= 400) {
    print('Response Header:');
    print(resp.header);
    print('Failed.');
    return;
  }

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

  // {
  //   "access_token": "eyJraWQiOiIzN2JmOWQ5MS04ZDRkLTQwYjEtODU4NS1mNzhlZDc3MjM4MDQiLCJlbmMiOiJBMjU2R0NNIiwiYWxnIjoiZGlyIn0..bKkYKqJ5CP0Qb2Qz.wQ4TTa2nwL1rbT98BBdbTi_MRNMM0gW_5q8im6uX4olRwYiuOXjaG6TbnnFOK5fT0UzMEJUf-uybalogMH78cHP0ZyL6hONKJOMJ8VK3ThcZ4AUcqrMRBNIMFiAWSTvHJg1y5g-t-WwmZbaD589dMll7-aXG6PPncpeQA1zOyOTaELjDA4O4jimc2_7PnEdc6ETv89AKcnw1J1cPz6BPG9jpyLVX_zEZcQnxbAHYZiSFscFCzdMtpFDrPWIwWuRcV5qRlH4DghHMqKG7V2wqX1VYV_gUvLH5b2y8O6Y0u9nmkBpqTGNiMpWzNE7amFyqKExGk4Jc_ziJdsrj38cSz9a4KtZOrV6E3mN5gFFEQSNAGzrdEv2IdTfWdNgTnHopQecgrlP7EcsrmGh1ARGTWr-e7RaiL8m2Sx5i9odGj5FDJKXiDeohX-KEB-Vc2KJeLxvYAHA7nPT1_pkZDBCfpqq_6GAUBDEbDZ6mJH93TAE1YhFeR_jcdl_23lND9sHKlvHA97-fHAjEVTqu-4wVmFFelGyJD4VIBkieWn94jq_opMiz-RjyYn8Vj-tfdJy8azBNt5NkjjW7Rsque04LsfujrqHDcJHio3ukT5JKwxNv9PoHMxoHnQ5fUdF4pOzt6ZShkki-jSbhileDlClh0ufLSNYgBmy6Fz4wTZWgL-DhJOcv-7Cup95Rx35Wh7XDYTbdz_z_avtfF-f-JS5XyN20Hn-gioWdNA7DNhI1O6s7zKZ2s2iD9eFkprOLGtcJzvNVjrxKZKD6R0hrUUzDXRn95oWlJXfan-OsTNdRypfGWFqIes-n8cBhzVF69LEWIDMr6YfdkRkmCq_p_A.Bvyf-k_rnsiiuf0jGGVXvw",
  //   "token_type": "Bearer",
  //   "expires_in": 900
  // }

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

  final accessToken = jResp.stringOf('access_token');
  final tokenType = jResp.stringOf('token_type');
  final expiresIn = jResp.intOf('expires_in');
}