🛡️ Smart Bot Protection

为您的网站提供智能机器人防护
Without Friction

真实用户自动通过。机器人始终被拦截。只需两行代码即可添加保护。

免费开始 → 查看工作原理
No credit card • Free forever plan • Setup in 2 minutes

How It Works

Three steps. Completely automatic for real users.

📡
Silent Scoring
embed.js silently scores visitor behavior — mouse, timing, IP, and more
→
🧠
Smart Decision
Score 80+: auto-pass instantly. Score below: show one of 25 CAPTCHA types
→
🎟️
Token Issued
A signed one-time token is injected into your form. Verify it server-side.
→
✅
Access Granted
Real user proceeds. Bot is blocked. Simple, clean, invisible to most users.
25
CAPTCHA Types
12
Languages
2
Lines to integrate
90%+
Auto-pass rate for real users

Everything you need

A complete bot protection system — no external dependencies

🤖
自动验证真实用户
真实访客静默通过，无任何障碍。
🛡️
始终拦截机器人
机器人始终面临验证码挑战。
🎭
24种验证码类型
表情符号、数学、图像、记忆、滑块等。
⚡
两行代码集成
一个script标签，适用于任何网站。
🌍
Multi-language
12 languages supported — auto-detected from browser
📊
Analytics
See pass rates, bot blocks, and request volumes
🎨
Customizable
Choose which CAPTCHA types appear on your site
🔑
API-first
Simple REST API — works with any backend language

两行代码集成

Paste one script tag on your site. That's it. The embed handles everything — behavior scoring, CAPTCHA display, and token injection into your forms.

✓HTML/PHP
✓WordPress
✓React/Next.js
✓Python/Django
✓Node.js/Express
View full docs →
<script
  src="https://captcha.btebresult.tech/embed.js"
  data-sitekey="YOUR_KEY"
></script>
<?php // Step 2: Validate server-side
$token = $_POST['shield_token'];
$ok = sc_verify($token, 'YOUR_KEY');
if(!$ok) die('Bot!');
// ✅ Real human — proceed

定价

Start free. Upgrade when you need more. No contracts.

Most Popular
免费
$0/month
No credit card required
  • 1 website
  • 5,000 requests/month
  • All invisible checks
  • Basic CAPTCHA types
  • Community support
Most Popular
专业版
$9/month
For growing websites
  • 10 websites
  • 100,000 requests/month
  • All 25 CAPTCHA types
  • Analytics dashboard
  • Email support
1
Most Popular
商业版
$29/month
For agencies & businesses
  • Unlimited websites
  • 1,000,000 requests/month
  • All 25 CAPTCHA types
  • Advanced analytics
  • Custom branding
  • Priority support
🛡️

Ready to block bots?

Join developers who trust ShieldCaptcha to protect their websites. Free to start, 2 minutes to set up.

免费开始 → Read the Docs