Walmart Category API: Async Structured Data in Java

Scrape Walmart category pages into structured JSON/CSV with ScraperAPI async in Java. Extract product listings, prices, and availability by department ID.

This endpoint will retrieve Walmart product list for a specified product category.

Single query request:

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import javax.net.ssl.HttpsURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
public class Main {
    public static void main(String[] args) {
        try {
            String apiKey = "APIKEY";
            String jsonInputString = "{"
                + "\"apiKey\": \"" + apiKey + "\", "
                + "\"category\": \"CATEGORY\", "
                + "\"tld\": \"TLD\", "
                + "\"page\": \"PAGE\", "
                + "\output_format\": \"FORMAT\", "
                + "\"callback\": {"
                + "    \"type\": \"webhook\", "
                + "    \"url\": \"CALLBACK\""
                + "}}";

            URL url = new URL("https://async.scraperapi.com/structured/walmart/category");
            HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("Accept", "*/*");
            connection.setDoOutput(true);
            try (OutputStream os = connection.getOutputStream()) {
                byte[] input = jsonInputString.getBytes(StandardCharsets.UTF_8);
                os.write(input, 0, input.length);
            }
            int responseCode = connection.getResponseCode();
            StringBuilder response = new StringBuilder();
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String readLine;
            while ((readLine = in.readLine()) != null) {
                response.append(readLine);
            }
            in.close();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                System.out.println("Response: " + response.toString());
            } else {
                throw new Exception("Error in API Call: Response code " + responseCode + "\nbody: " + response.toString());
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

Multiple query request:

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import javax.net.ssl.HttpsURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
public class Main {
    public static void main(String[] args) {
        try {
            String apiKey = "APIKEY";
            String jsonInputString = "{"
                + "\"apiKey\": \"" + apiKey + "\", "
                + "\"categories\": [\"CATEGORY1\", \"CATEGORY2\"], "
                + "\"tld\": \"TLD\", "
                + "\"page\": \"PAGE\", "
                + "\output_format\": \"FORMAT\", "
                + "\"callback\": {"
                + "    \"type\": \"webhook\", "
                + "    \"url\": \"CALLBACK\""
                + "}}";

            URL url = new URL("https://async.scraperapi.com/structured/walmart/category");
            HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("Accept", "*/*");
            connection.setDoOutput(true);
            try (OutputStream os = connection.getOutputStream()) {
                byte[] input = jsonInputString.getBytes(StandardCharsets.UTF_8);
                os.write(input, 0, input.length);
            }
            int responseCode = connection.getResponseCode();
            StringBuilder response = new StringBuilder();
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String readLine;
            while ((readLine = in.readLine()) != null) {
                response.append(readLine);
            }
            in.close();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                System.out.println("Response: " + response.toString());
            } else {
                throw new Exception("Error in API Call: Response code " + responseCode + "\nbody: " + response.toString());
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

REQUIRED
APIKEY	User account’s normal API key.
CATEGORY	Walmart category id. Example: 3944_1089430_37807

OPTIONAL
PAGE	Pagination. Example: 3
TLD	Top level domain. Valid values are com and ca
OUTPUT_FORMAT	For structured data methods we offer CSV and JSON output. JSON is default if parameter is not added. Options: csv json

Sample Response

For single query requests:

{
  "id": "ce93d237-4595-4508-8d81-f94365fc542c",
  "status": "running",
  "statusUrl": "https://async.scraperapi.com/jobs/ce93d237-4595-4508-8d81-f94365fc542c",
  "category": "3944_1089430_37807",
}

For multiple query requests:

[
  {
    "id": "ec4a6153-368c-440e-8c02-6c302a661db9",
    "status": "running",
    "statusUrl": "https://async.scraperapi.com/jobs/ec4a6153-368c-440e-8c02-6c302a661db9",
    "category": "3920"
  },
  {
    "id": "8a024945-f74a-4327-80e3-12f26c737ec6",
    "status": "running",
    "statusUrl": "https://async.scraperapi.com/jobs/8a024945-f74a-4327-80e3-12f26c737ec6",
    "category": "3944_1089430_37807"
  }
]

After the job(s) finish, you will find the result under the response key in the response JSON object. The structure is the same as in the corresponding SYNC data endpoint.