CapMonster Cloud PHP SDK: PHP Captcha Solver & Captcha Bypass for reCAPTCHA, Cloudflare Turnstile and GeeTest
🔄 Migrating from 2Captcha or Capsolver? CapMonster Cloud is a fast, cost-effective 2captcha alternative and capsolver alternative for PHP: reCAPTCHA v3 from $0.90 per 1,000 solves, which is up to 38% cheaper than 2Captcha and 10% cheaper than Capsolver, with an API response time of ≤ 2 s. Already have software built for 2Captcha? CapMonster Cloud supports the 2Captcha API format. Moving your PHP code takes just a few lines: see the Migration examples below. Full comparison and disclaimer are in the comparison section below.
PHP client library for the CapMonster Cloud captcha solving API. Use this PHP captcha solver for captcha bypass: bypass reCAPTCHA v2, reCAPTCHA v3, reCAPTCHA v2 Enterprise and Cloudflare Turnstile, solve GeeTest, reCAPTCHA image-click and text (image-to-text) captchas in web scraping, browser automation and backend scripts: send a request class to the solve method and get a ready solution. As the official CapMonster SDK for PHP, it is a cost-effective 2captcha alternative and capsolver alternative.
👉 Get your Free API Key & Free Trial Balance on CapMonster Cloud
⚡ Highlights
- ⚡ Fast solving: AI-based recognition, on average between 1 and 30 seconds depending on the captcha type.
- 🤖 Zero human workers: 100% automated machine learning pipeline with no manual latencies.
- 🛡️ Modern anti-bot bypass: Support for Cloudflare Turnstile, reCAPTCHA Enterprise, GeeTest and FunCaptcha.
- 🧩 One call to solve a captcha: create a request object and pass it to
$client->solve().
- 🔁 Simple results and typed errors:
solve() returns the solution as an array; failures throw exceptions from one CapMonsterException hierarchy.
- 💰 Cost-effective: Low-cost pricing structure based on pay-as-you-go balance.
- 📉 Cheaper than alternatives: reCAPTCHA v3 from $0.90 per 1,000 solves, versus $1.45 at 2Captcha and $1.00 at Capsolver.
- 🔄 Easy migration: replace your 2Captcha or Capsolver solver call and keep the rest of your scraper or bot unchanged.
- 📖 Official docs: request types follow the CapMonster Cloud API documentation.
📊 CapMonster Cloud vs 2Captcha vs Capsolver
Looking for a 2captcha alternative or a capsolver alternative for PHP web scraping and automation? Compare price, speed and success rate.
reCAPTCHA v3
| Parameter | CapMonster Cloud | 2Captcha | CapSolver | DeathByCaptcha |
|---|
| Price per 1,000 solves (from) | $0.90 | $1.45 | $1.00 | $2.89 |
| API response time | ≤ 2 s | ≤ 2 s | < 3 s | ≤ 3 s |
| Solving success rate | up to 99% | ~77–92% | ~95–98% | ~64–90% |
Disclaimer: 2Captcha, CapSolver, and DeathByCaptcha are trademarks of their respective owners. CapMonster Cloud is not affiliated with these entities. Performance metrics and pricing comparisons are based on publicly available data and internal benchmarking conducted on 27.09.2026.
Cloudflare Turnstile
| Parameter | CapMonster Cloud | 2Captcha | Anti-Captcha | DeathByCaptcha |
|---|
| Price per 1,000 solves (from) | $1.30 | $1.45 | $2.00 | $2.89 |
| Time to solve | 6.24 s* | 16.9 s | 20.33 s | ~13 s |
| Solving success rate | 99%* | 96% | 96% | 96% |
Disclaimer: 2Captcha, Anti-Captcha, and DeathByCaptcha are trademarks of their respective owners. CapMonster Cloud is not affiliated with these entities. Performance metrics and pricing comparisons are based on publicly available data and internal benchmarking as of 12.10.2026.
What this means in practice:
- reCAPTCHA v3: $0.90 versus $1.45 at 2Captcha is up to 38% cheaper, and $0.90 versus $1.00 at Capsolver is 10% cheaper.
- Cloudflare Turnstile: $1.30 versus $1.45 at 2Captcha is 10% cheaper, and a solving time of 6.24 s versus 16.9 s is more than 60% faster.
📦 Installation
Install the package with Composer. PHP 8.1 or newer with the curl and json extensions is required.
composer require capmonstercloud/capmonster-client
Then load Composer's autoloader with require 'vendor/autoload.php'; as shown below.
🚀 Quick Start: Solve and Bypass Captchas in PHP
<?php
require 'vendor/autoload.php';
use CapMonsterCloud\CapMonsterClient;
use CapMonsterCloud\ClientOptions;
use CapMonsterCloud\Requests\ImageToTextRequest;
use CapMonsterCloud\Requests\RecaptchaV2Request;
use CapMonsterCloud\Requests\TurnstileRequest;
$client = new CapMonsterClient(new ClientOptions('your_client_key'));
// check balance
echo $client->getBalance(), PHP_EOL;
// solve image captcha
$imageResult = $client->solve(ImageToTextRequest::fromFile('captcha.png'));
echo $imageResult['text'], PHP_EOL;
// solve reCAPTCHA v2 (without proxy)
$recaptchaV2Result = $client->solve(new RecaptchaV2Request(
'https://lessons.zennolab.com/captchas/recaptcha/v2_simple.php?level=high',
'6Lcg7CMUAAAAANphynKgn9YAgA4tQ2KI_iqRyTwd',
));
echo $recaptchaV2Result['gRecaptchaResponse'], PHP_EOL;
// solve Cloudflare Turnstile (without proxy)
$turnstileResult = $client->solve(TurnstileRequest::standard(
'https://target-website.com/login',
'0x4AAAAAAABnPIDnK2k_e-2',
));
echo $turnstileResult['token'], PHP_EOL;
This is the beginning of the README. Read the rest at the original. Read the full README ↗
