Advanced machine learning detects spam with 99.9% accuracy. Simple API, WordPress plugins included. Start free, scale as you grow.
{
"context": "E-commerce contact form",
"email": "john@company.com",
"body": {
"name": "John Smith",
"message": "Product inquiry..."
}
}
{
"is_spam": false,
"spam_score": 5,
"confidence": 98,
"processing_time_ms": 308,
"reasons": [
"Professional email",
"Natural language",
"Context matches"
]
}
Everything you need to keep spam away from your forms
Advanced AI analyzes context, language patterns, and suspicious indicators in real-time with enterprise-grade accuracy.
Works with any language. Analyze forms in English, Italian, Spanish, and 100+ languages globally.
Average response time ~308ms. Real-time protection without slowing down your forms or user experience.
Track spam patterns, validation trends, and API usage with detailed analytics dashboard and reports.
Enterprise-grade security with API key authentication and rate limiting protection for your applications.
Simple REST API. Integrate in minutes with any platform - PHP, JavaScript, Python, and more languages.
Solve the problems traditional CAPTCHAs can't
Real-world impact: Sites replacing CAPTCHA with SpamKiller see
Get protected in 3 simple steps
Create your free account and get your API key instantly. No credit card required.
Add our API to your form handler. Just one POST request with your form data.
Get instant spam detection results and handle submissions automatically.
curl -X POST https://spamkiller.io/api/v1/validate \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"context": "E-commerce site. Contact form for customer support",
"email": "customer@example.com",
"body": {
"name": "John Doe",
"message": "I would like to know more about your products"
}
}'
Join developers protecting their forms with AI
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