CapSolver Demos

A collection of demo projects showing how to use CapSolver API for solving various captchas. These examples help you quickly integrate captcha solving into your automation projects.

What's Included

Ready-to-use code examples in Python and Node.js for:

• ReCaptcha V2, V3 (including Invisible & Enterprise variants)
• Cloudflare Turnstile & Challenge
• AWS WAF Captcha
• Geetest V3 & V4
• DataDome
• MtCaptcha
• Image Recognition (OCR, Classification, Slider/Rotate)

Quick Start

1. Get your API Key

Sign up at CapSolver Dashboard and grab your API key.

2. Choose your language

Python:

cd python/recaptchav2
pip install -r requirements.txt

Node.js:

cd nodejs/recaptchav2
npm install

3. Add your API key

Edit the .env file in any demo folder:

CAPSOLVER_API_KEY=your_api_key_here

4. Run

# Python
python main.py

# Node.js
node main.js

Available Demos

ReCaptcha

Captcha Type	Python	Node.js
ReCaptcha V2	main.py	main.js
ReCaptcha V2 Invisible	recaptchav2_invisible.py	recaptchav2_invisible.js
ReCaptcha V2 Enterprise	recaptchav2_enterprise.py	recaptchav2_enterprise.js
ReCaptcha V3	main.py	main.js
ReCaptcha V3 Enterprise	recaptchav3_enterprise.py	recaptchav3_enterprise.js

Other Captchas

Captcha Type	Python	Node.js	Proxy Required
Geetest V3	geetest_v3.py	geetest_v3.js	No
Geetest V4	geetest_v4.py	geetest_v4.js	No
MtCaptcha	main.py	main.js	No
AWS WAF	main.py	main.js	No
DataDome	main.py	main.js	Yes
Cloudflare Turnstile	main.py	main.js	No
Cloudflare Challenge	main.py	main.js	Yes

Image Recognition (Sync Response)

Task Type	Python	Node.js
ImageToText (OCR)	image_to_text.py	image_to_text.js
ReCaptcha Classification	recaptcha_classification.py	recaptcha_classification.js
AWS WAF Classification	awswaf_classification.py	awswaf_classification.js
Vision Engine (Slider/Rotate)	vision_engine.py	vision_engine.js

Notes

• Proxy required: DataDome and Cloudflare Challenge need your own proxy. Add it to .env:

  PROXY=ip:port:user:pass
  

• Image Recognition tasks return results immediately (no polling needed)
• Check the CapSolver Docs for full API reference

Contributing

Found a bug or want to add a new example? PRs welcome!

License

MIT