How to Set Up a Proxy in NstBrowser: A Step-by-Step Guide
Use NstBrowser to unlock web scraping and multi-account management simultaneously
Jul 5, 2024
Bypass a variety of CAPTCHA challenges with CapSolver, the most professional solver in bypassing seamless CAPTCHA challenges, making your web scraping more smoothly.
In today’s web automation landscape, CAPTCHAs remain one of the biggest blockers for scripts, bots, and automated workflows. Websites use CAPTCHA systems to distinguish humans from automation — but for legitimate scraping, testing, and data collection, you can integrate specialized solving services such as CapSolver to keep workflows running smoothly.
A CAPTCHA (Completely Automated Public Turing Test to Tell Computers and Humans Apart) is a challenge designed to verify that a user interacting with a site is a human — not a bot. Typical tasks include:
These are used by sites to prevent bots from spamming forms, scraping pages, or bypassing security. Without a solving service, automated systems often stall when they encounter one.
Requires users to identify hidden text or numbers within an image.
- Common Use Cases: Google's login and registration forms.
Requires users to select images that meet certain criteria from a group of images, such as finding the required number of images or assembling image modules into a specific object.
- Common Use Cases: Microsoft/LinkedIn's login and registration forms.
Requires users to solve simple mathematical problems, such as addition, subtraction, multiplication, or division.
- Common Use Cases: Tencent's login and registration forms.

CapSolver is an AI-powered automated CAPTCHA solving platform that focuses on returning CAPTCHA tokens rather than raw image outputs. This token-first approach makes it effective against today’s advanced CAPTCHA systems, including things like Cloudflare challenges and reCAPTCHA variants.
Core Attributes
CapSolver supports solving modern challenges such as:
When building automation tools — including scrapers, bots, or AI search agents — a CAPTCHA solver:
1. Increases Success & Reliability
Without solver integration, scripts frequently fail or require manual intervention. An automated solver handles these challenges under the hood. capsolver.com
2. Reduces Manual Steps
You don’t have to pause workflows to solve CAPTCHA challenges manually — speeding up long-running automation tasks. capsolver.com
3. Scales to High-Volume Tasks
With efficient API throughput and quick token generation, large scraping jobs or repeated queries can proceed uninterrupted.
{
"clientKey": "Your_CapSolver_API_Key",
"task": {
"websiteURL": "https://www.google.com/recaptcha/api2/demo",
"websiteKey": "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-",
"type": "ReCaptchaV2Task",
// You can send the proxy information with one of these proxy formats
// proxy format 1
"proxyType": "http",
"proxyAddress": "GoProxy Server",
"proxyPort": "Port",
"proxyLogin": "Proxy Username",
"proxyPassword": "Proxy Password",
// proxy format 2
"proxy": "socks5:GoProxy_Server:Port:Proxy_Username:Proxy_Password",
// or
"proxy": "GoProxy_Server:Port:Proxy_Username:Proxy_Password"
}
}
CapSolver offers a powerful, AI-based solution to bypass CAPTCHA challenges in your automation workflows — whether via an API or a browser extension. By focusing on token output and integrating seamlessly with modern scraping stacks, it keeps your automation reliable and scalable. Need further information or help? Contact them: [email protected].
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