Walmart Reviews API: Async Structured Data in Java

Scrape Walmart product reviews into structured JSON/CSV using ScraperAPI async in Java. Filter by rating, date, or relevance. Ideal for sentiment and UX analysis.

This endpoint will retrieve reviews for a specified product from a Walmart reviews page and transform it into usable JSON.

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 + "\", "
                + "\"productId\": \"PRODUCTID\", "
                + "\"page\": \"PAGE\", "
                + "\"tld\": \"TLD\", "
                + "\"sort\": \"SORT\", "
                + "}";

            URL url = new URL("https://async.scraperapi.com/structured/walmart/review");
            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 + "\", "
                + "\"productId\": [\"PRODUCTID1\", \"PRODUCTID2\"], "
                + "\"page\": \"PAGE\", "
                + "\"tld\": \"TLD\", "
                + "\"sort\": \"SORT\", "
                + "}";

            URL url = new URL("https://async.scraperapi.com/structured/walmart/review");
            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();
        }
    }
}

Parameter	Details
api_key	Your API Key.
product_id	Walmart Product id. Example: 5253396052
sort	Sort by option. Valid values are: relevancy helpful submission-desc submission-asc rating-desc rating-asc
ratings	Comma-separated number list of review ratings. Supported values: 1,2,3,4,5 - used in any combination.
verified_purchase	Boolean - true or false. Filters reviews only from verified purchases when set to true.
page	Specify the page number
TLD	Top level domain. Valid values are com and ca

Sample Response

For single query request

{
  "id": "aaaff531-cf95-4d8c-a0bc-0b3422c89d6b",
  "attempts": 0,
  "status": "running",
  "statusUrl": "https://async.scraperapi.com/jobs/aaaff531-cf95-4d8c-a0bc-0b3422c89d6b",
  "productId": "5253396052",
  "page": "3",
  "supposedToRunAt": "2024-07-01T19:49:21.577Z"
}

For multiple query requests

[
  {
    "id": "182104d3-0a6b-47df-8ca4-06da43c5dae0",
    "attempts": 0,
    "status": "running",
    "statusUrl": "https://async.scraperapi.com/jobs/182104d3-0a6b-47df-8ca4-06da4335dae0",
    "productId": "5253396052",
    "page": "3"
  },
  {
    "id": "477e21c1-5d12-4c88-a347-1997e64b9436",
    "attempts": 0,
    "status": "running",
    "statusUrl": "https://async.scraperapi.com/jobs/477e21c1-5d12-4c88-a347-1997e23b9436",
    "productId": "41FV2JGSJPXI",
    "page": "3"
  }
]

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.