How to solve reCaptcha v2 with Node.JS
Rajinder Singh
Deep Learning Researcher
27-Sep-2023
⚙️ Prerequisites
- Proxy (Optional)
- Node.JS installed
- Capsolver API key
🤖 Step 1: Install Necessary Packages
Execute the following commands to install the required packages:
python
npm install axios👨💻 Node.JS Code for solve reCaptcha v2 without proxy
Here's a Node.JS sample script to accomplish the task:
js
const axios = require('axios');
const PAGE_URL = ""; // Replace with your Website
const SITE_KEY = ""; // Replace with your Website
const CLIENT_KEY = ""; // Replace with your CAPSOLVER API Key
async function createTask(payload) {
try {
const res = await axios.post('https://api.capsolver.com/createTask', {
clientKey: CLIENT_KEY,
task: payload
});
return res.data;
} catch (error) {
console.error(error);
}
}
async function getTaskResult(taskId) {
try {
success = false;
while(success == false){
await sleep(1000);
console.log("Getting task result for task ID: " + taskId);
const res = await axios.post('https://api.capsolver.com/getTaskResult', {
clientKey: CLIENT_KEY,
taskId: taskId
});
if( res.data.status == "ready") {
success = true;
console.log(res.data)
return res.data;
}
}
} catch (error) {
console.error(error);
return null;
}
}
async function solveReCaptcha(pageURL, sitekey) {
const taskPayload = {
type: "ReCaptchaV2TaskProxyless",
websiteURL: pageURL,
websiteKey: sitekey,
};
const taskData = await createTask(taskPayload);
return await getTaskResult(taskData.taskId);
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function main() {
try {
const response = await solveReCaptcha(PAGE_URL, SITE_KEY );
console.log(`Received token: ${response.solution.gReCaptcharesponse}`);
}
catch (error) {
console.error(`Error: ${error}`);
}
}
main();👨💻 Node.JS Code for solve reCaptcha v2 with proxy
Here's a Node.JS sample script to accomplish the task:
js
const axios = require('axios');
const PAGE_URL = ""; // Replace with your Website
const SITE_KEY = ""; // Replace with your Website
const CLIENT_KEY = ""; // Replace with your CAPSOLVER API Key
const PROXY = "https://username:password@host:port";
async function createTask(payload) {
try {
const res = await axios.post('https://api.capsolver.com/createTask', {
clientKey: CLIENT_KEY,
task: payload
});
return res.data;
} catch (error) {
console.error(error);
}
}
async function getTaskResult(taskId) {
try {
success = false;
while(success == false){
await sleep(1000);
console.log("Getting task result for task ID: " + taskId);
const res = await axios.post('https://api.capsolver.com/getTaskResult', {
clientKey: CLIENT_KEY,
taskId: taskId
});
if( res.data.status == "ready") {
success = true;
console.log(res.data)
return res.data;
}
}
} catch (error) {
console.error(error);
return null;
}
}
async function solveReCaptcha(pageURL, sitekey) {
const taskPayload = {
type: "ReCaptchaV2Task",
websiteURL: pageURL,
websiteKey: sitekey,
proxy: PROXY
};
const taskData = await createTask(taskPayload);
return await getTaskResult(taskData.taskId);
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function main() {
try {
const response = await solveReCaptcha(PAGE_URL, SITE_KEY );
console.log(`Received token: ${response.solution.gRecaptchaResponse}`);
}
catch (error) {
console.error(`Error: ${error}`);
}
}
main();⚠️ Change these variables
- PROXY: Change to your proxy, only if you use ReCaptchaV2Task.
- CLIENT_KEY: Obtain your API key from the Capsolver Dashboard.
- PAGE_URL: Replace with the URL of the website for which you wish to solve captcha
- SITE_KEY: Replace with the site key of the page with captcha
👀 More information
Compliance Disclaimer: The information provided on this blog is for informational purposes only. CapSolver is committed to compliance with all applicable laws and regulations. The use of the CapSolver network for illegal, fraudulent, or abusive activities is strictly prohibited and will be investigated. Our captcha-solving solutions enhance user experience while ensuring 100% compliance in helping solve captcha difficulties during public data crawling. We encourage responsible use of our services. For more information, please visit our Terms of Service and Privacy Policy.
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