If you’re working on web scraping, bulk registrations, or any kind of automated workflow that involves CAPTCHA solving, NextCaptcha is one of the most efficient AI-based CAPTCHA-solving services available. But even the most powerful CAPTCHA solver can struggle if your requests are blocked or flagged.
That’s where QuarkIP comes in.
By using clean, high-quality residential and static ISP proxies from QuarkIP, you can route your CAPTCHA-solving requests through real-user IPs from any country—dramatically increasing success rates while avoiding bans or rate limits. This guide shows you how to use QuarkIP proxies together with NextCaptcha’s API for best results.
1.What is NextCaptcha
NextCaptcha is a machine learning-powered CAPTCHA-solving service designed for developers and businesses that need to automate interactions with CAPTCHA-protected sites.
Key Features:
- Supports reCAPTCHA v2, v3, Enterprise, hCaptcha, FunCaptcha
- Fast solving speeds (typically 3–10 seconds)
- API-first design, with support for Python, Node.js, PHP, etc.
- Usage-based pricing—you only pay for solved CAPTCHAs
- Developer-friendly with free trials, referral rewards, and profit-sharing programs
Whether you’re managing a fleet of scraping bots or automating form submissions, NextCaptcha is a trusted solution that integrates easily into your existing workflow.
2.Setting Up a NextCaptcha Proxy With QuarkIP
1.Visit the NextCaptcha website and sign up for an account.
2.NextCaptcha provides comprehensive integration documentation. If you want to use it with a proxy, you need to include the proxy information in your API request.
3.Using QuarkIP’s United States ISP proxies as an example, enter the corresponding proxy information into NextCaptcha based on the provided labels.
Unlike other proxy products, you can freely select HTTP or Socks5 protocols without having to change the port number.
4.In sequence, fill in proxytype, proxyaddress, proxyport, proxylogin, and proxypassword in the api request
{
"clientKey": "your-nextcaptcha-API-key",
"task": {
"type": "RecaptchaV3TaskProxyless",
"websiteURL": "https://example.com",
"websiteKey": "site-key",
"proxyType": "HTTP",
"proxyAddress": "111.111.111.111",
"proxyPort": "7777",
"proxyLogin": "1234",
"proxyPassword": "1234"
}
}Why Use QuarkIP as Your NextCaptcha Proxy Provider?
QuarkIP, meanwhile, offers high-quality residential and datacenter IPs sourced from real ISPs. Whether you need static IPs for account farming or rotating IPs for automation tasks, QuarkIP provides flexible, stable, and high-anonymity solutions.
Together, they provide:
- 🔒 True browser-level isolation with fresh digital fingerprints
- 🌐 IP addresses that mimic real users from specific locations
- 🚀 Improved account survivability and lower risk of bans
- ⚙️ Easy integration—no advanced tech skills required
| Plan Type | Description | Price | Best For |
| Residential Proxies | Real ISP IPs with rotating or sticky sessions | Starting from $1.6/GB | Ad verification, secure logins |
| Datacenter IPv6 Proxies | High-speed, cost-effective static IPs | Starting from $1.74/Proxies | Automation, bulk actions |
| ISP Proxies | Fixed IPs from real ISP carriers | Starting from $7.48/Proxies | Long-term nurturing, high-trust platforms |
| Datacenter Proxies | High-speed IPs from cloud data centers | Starting from $4.52/Proxies | Account creation, social platforms |
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