C++ Module for 2Captcha API

Official C++ library for easy integration with the API of 2captcha solving service. It provides seamless integration with the captcha‑solving API and solves all supported challenges:

Solving of any type of captcha:

• Normal Captcha;
• Audio Captcha;
• Text Captcha;
• reCAPTCHA v2;
• reCAPTCHA v3;
• FunCaptcha;
• GeeTest;
• GeeTest v4;
• Lemin Cropped Captcha;
• Cloudflare Turnstile; Amazon WAF;
• KeyCaptcha;
• atbCAPTCHA;
• Capy;
• Grid;
• Canvas;
• ClickCaptcha;
• Rotate;
• MTCaptcha;
• Friendly Captcha;
• Cutcaptcha.

Installation

The API is implemented in a single file, api2captcha.hpp, which you copy into your project. You must provide your own HTTP client (a libcurl example is included). Instantiate a client api2captcha::client_t client("YOUR_API_KEY"); and optionally set soft ID, callback URL, default timeout, reCAPTCHA timeout and polling interval.