Jun 21st, 2023

How to solve a captcha in Node.js using 2Captcha?

Author Picture

Dhairya Shah

Software Engineer

Captcha, or Completely Automated Public Turing tests are everywhere in today’s world from filling up a form to logging into a website. The basic goal of a captcha is to help the system check if the user is a human or a bot.

In today’s world, the captcha has advanced significantly. At times, solving a captcha can be effortless, while other times it is a headache for the users to determine whether the letter is uppercase or lowercase. As a result, nowadays we can find some captcha-solving software like 2Captcha.

However, solving a captcha programmatically can be challenging, as a result in this article we’ll discuss how to solve a captcha using Node.js and 2Captcha API.

What is 2Captcha?

2Captcha is an online captcha recognition service that solves captchas in real-time. 2Captcha can recognize and solve various types of captcha. They have an API for developers and is available for most programming languages.

Advantages of using 2Captcha:

By now, you should have gained familiarity with what 2Captcha is.

This article will be divided into two parts:


Before we begin, make sure you have the following prerequisites in place:

How to solve an image captcha in Node.js?

To get started, create a new Node.js project and install the necessary dependencies. Open your terminal and execute the following commands:

npm init -y
npm install 2captcha

Implementing the captcha solver:

How to solve hCaptcha using Node.js?


I hope you have learned something new from this article, thanks for reading!

That’s it! You now have a comprehensive guide on how to solve CAPTCHAs in Node.js using the 2Captcha API. Happy coding!

Disclosure: Includes paid promotion

Disclaimer: The use of the 2Captcha service and the implementation described in this article is subject to the terms and conditions set by 2Captcha. Make sure to review and comply with their terms of service and any applicable usage limits or restrictions. The code examples provided in this article are for demonstration purposes only and should be adapted and used responsibly in accordance with legal and ethical considerations. We do not endorse or assume any responsibility for the use of third-party services or the consequences that may arise from their usage.

Credits: Article Banner Image illustration credit Notioly