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(C#) Walmart v3 OAuth2 Access Token with Client Credentials

Get access token by providing Client ID and Client Secret.

For more information, see https://developer.walmart.com/#/apicenter/marketPlace/latest#apiAuthentication

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Chilkat .NET Assemblies

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

Chilkat.Http http = new Chilkat.Http();
bool success;

// 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'

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
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";

Chilkat.HttpResponse resp = http.PostUrlEncoded("https://marketplace.walmartapis.com/v3/token",req);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("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

string access_token;
string token_type;
int expires_in;

access_token = jResp.StringOf("access_token");
token_type = jResp.StringOf("token_type");
expires_in = jResp.IntOf("expires_in");

 

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