In this article, we will learn about getting Amazon Asin category using the Amazon MWS API in C#. We will use the latest version of the NuGet as this functionality is provided in the latest version only.
Prerequisites
- Knowledge of C#
- You must have the Amazon credentials like SellerId, Access Key, etc.
So let’s get started.
Firstly, install the NuGet package using Amazon MWS API.
Install-Package MarketplaceWebService -Version 1.0.0 Install-Package MarketplaceWebServiceOrders -Version 1.0.0 Install-Package MWSProductsCSharpClientLibrary -Version 2017.3.22
Starting from _Layout.cshtml file.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>@ViewBag.Title - Amazon MWS API</title>
@Styles.Render("~/Content/css")
@Scripts.Render("~/bundles/modernizr")
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
@Html.ActionLink("Amazon MWS API", "Index", "Home", new { area = "" }, new { @class = "navbar-brand" })
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li>@Html.ActionLink("Home", "Index", "Home")</li>
</ul>
</div>
</div>
</div>
<div class="container body-content">
@RenderBody()
<hr />
<footer>
<p>© @DateTime.Now.Year - My ASP.NET Application</p>
</footer>
</div>
@Scripts.Render("~/bundles/jquery")
@Scripts.Render("~/bundles/bootstrap")
@RenderSection("scripts", required: false)
</body>
</html>
Navigate to View -> Home -> Index.cshtml
@{
ViewBag.Title = "Home Page";
}
<div class="col-md-4">
<div class="form-group">
<input type="text" id="txtAsin" class="form-control" />
</div>
</div>
<div class="col-md-4">
<div class="form-group">
<input type="button" id="btnGetCategory" class="btn btn-success" value="Get Category" />
</div>
</div>
<table class="table table-bordered">
<thead>
<tr>
<th>Category Id</th>
<th>Category Name</th>
</tr>
</thead>
<tbody class="tbody"></tbody>
</table>
@section scripts{
<script>
$(document).on('click', '#btnGetCategory', function () {
var asinValue = $('#txtAsin').val();
if (asinValue.trim() == "") {
alert("Please enter asin value");
return;
}
$.ajax({
url: '/Home/GetAsinCategory',
data: { 'Asin': asinValue },
success: function (res) {
debugger
if (res.status) {
var html = '';
for (var i = 0; i < res.categoryId.length; i++) {
html += '<tr>\
<td> '+ res.categoryId[i] + '</td>\
<td> '+ res.categoryName[i] + '</td>\
</tr>';
}
$('.tbody').empty().append(html);
}
else {
alert("Something went wrong while getting category from API");
}
},
error: function (err) {
}
});
});
</script>
}
We have to add the Credentials in Web.Config file present in the root directory.
<add key="ServiceURL" value="https://mws.amazonservices.com" /> <add key="SellerId" value="seller-id" /> <add key="MarketplaceID" value="marketplace-id" /> <add key="AccessKeyID" value="access-key" /> <add key="SecretKey" value="secret-key" />
Finally, the code which makes us possible to call through the API
using MarketplaceWebService;
using MarketplaceWebServiceProducts;
using MarketplaceWebServiceProducts.Model;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Web.Mvc;
using System.Xml;
namespace GetProductCategoryFromAsinInMWS.Controllers
{
public class HomeController : Controller
{
public static MarketplaceWebServiceConfig _config;
public static MarketplaceWebServiceClient _amazonClient;
public static MarketplaceWebServiceClient _reportClient;
public static MarketplaceWebServiceConfig _reportConfig;
public static MarketplaceWebServiceProductsConfig _productConfig;
public static MarketplaceWebServiceProducts.MarketplaceWebServiceProducts _productClient;
public static string _sellerId = "";
public static string _marketplaceID = "";
public static string _accessKeyID = "";
public static string _secretKey = "";
public static string _serviceUrl = "";
public HomeController()
{
_sellerId = ConfigurationManager.AppSettings["SellerId"];
_marketplaceID = ConfigurationManager.AppSettings["MarketplaceID"];
_accessKeyID = ConfigurationManager.AppSettings["AccessKeyID"];
_secretKey = ConfigurationManager.AppSettings["SecretKey"];
_serviceUrl = ConfigurationManager.AppSettings["ServiceURL"];
_config = new MarketplaceWebServiceConfig
{
ServiceURL = _serviceUrl
};
_reportConfig = new MarketplaceWebServiceConfig
{
ServiceURL = _serviceUrl
};
_reportClient = new MarketplaceWebServiceClient(_accessKeyID, _secretKey, "MWS", "1.0", _reportConfig);
_amazonClient = new MarketplaceWebServiceClient(_accessKeyID, _secretKey, "MWS", "1.0", _config);
_productConfig = new MarketplaceWebServiceProductsConfig { ServiceURL = _serviceUrl };
_productClient = new MarketplaceWebServiceProductsClient("MWS", "1.0", _accessKeyID, _secretKey, _productConfig);
}
public ActionResult Index() => View();
public GetProductCategoriesForASINResponse InvokeGetProductCategoryForAsin(string ASIN)
{
try
{
GetProductCategoriesForASINRequest request = new GetProductCategoriesForASINRequest();
request.ASIN = ASIN;
request.MarketplaceId = _marketplaceID;
request.MWSAuthToken = "example";
request.SellerId = _sellerId;
return _productClient.GetProductCategoriesForASIN(request);
}
catch (Exception ex)
{
return null;
}
}
public JsonResult GetAsinCategory(string Asin)
{
try
{
var response = InvokeGetProductCategoryForAsin(Asin);
if (response == null) return Json(new { status = false }, JsonRequestBehavior.AllowGet);
XmlDocument root = new XmlDocument();
root.LoadXml(response.ToXML());
XmlNodeList elemListForCategoryName = root.GetElementsByTagName("ProductCategoryName");
XmlNodeList elemListForCategoryId = root.GetElementsByTagName("ProductCategoryId");
List<string> categoryIdsAPI = new List<string>();
List<string> categoryNamesAPI = new List<string>();
for (int i = 0; i < elemListForCategoryId.Count; i++)
{
categoryNamesAPI.Add(elemListForCategoryName[i]?.InnerText);
categoryIdsAPI.Add(elemListForCategoryId[i]?.InnerText);
}
return Json(new { status = true, categoryName = categoryNamesAPI, categoryId = categoryIdsAPI }, JsonRequestBehavior.AllowGet);
}
catch (Exception)
{
return Json(new { status = false }, JsonRequestBehavior.AllowGet);
}
}
}
}
Output:
