Introduction

Introduction to VastCap API

VastCap API provides a comprehensive solution for solving various types of captchas programmatically. Our API allows developers to integrate captcha-solving capabilities into their applications with minimal effort.

Overview

The VastCap API offers:

• Multiple Captcha Types: Support for reCAPTCHA v2/v3, hCaptcha (standard & enterprise), Cloudflare Turnstile, and FunCaptcha
• High Success Rate: Our solving engines deliver up to 98% success rates
• Fast Response Times: Get solutions in seconds to maintain your application’s performance
• Simple Integration: Easy-to-use REST API with examples in multiple programming languages
• Scalable Pricing: Pay only for what you use with competitive pricing starting at $0.80 per 1000 solves

Supported Services

VastCap supports a wide range of captcha types:

Service	Success Rate	Avg. Solve Time	Price (per 1000)
hCaptcha (Standard & Enterprise)	90-98%	8-20s	$2.50
Cloudflare Turnstile	98%	2-5s	$1.00
FunCaptcha (Arkose Labs)	95%	2-10s	$1.00

Note: hCaptcha Enterprise is now solved using the standard hCaptcha API with the enterprise parameter set to true. See the hCaptcha docs for details.

How It Works

1. Create a Task: Send a request to our API with the captcha details
2. Process Solving: Our system processes the captcha using the appropriate solving method
3. Get Result: Retrieve the solution when it’s ready
4. Use Solution: Implement the solution in your application’s form submission

Authentication

All API requests require a valid API key that you can obtain from the VastCap Dashboard. Include your API key in the clientKey parameter of your requests.

Get Started

Ready to integrate captcha solving into your application? Check out our Quickstart Guide to begin making API requests in minutes, or explore our detailed API Reference for comprehensive documentation.