Test a URL — Get a verdict in seconds
Instantly check any link for phishing and malicious
behavior using our service.
💡 How does it work?
Submit URL
Send a POST request with the URL you want to verify via our REST API.
Intelligent Analysis
Our system runs the URL through multiple phishing detection layers: heuristics, signature databases, and behavior patterns.
Get Verdict
You receive a clear JSON response: phishing, safe, or suspicious, along with a confidence score.
We help developers stop phishing threats before they spread
Protect your users and infrastructure with real-time URL scanning. Phish-Def makes it easy to detect and block malicious links using a developer-friendly API — fast, scalable, and privacy-focused.
Small startups, growing SaaS teams, and enterprise platforms rely on our service to keep their ecosystems safe.
⭐️Why us?
Instant Checks
Response time under 100ms
Scalable
Handles millions of requests seamlessly
No logging, no tracking — ever
No logging, no tracking — ever
Easy to Integrate
Simple REST API with clear documentation
“We process thousands of user-submitted links daily, and false positives used to cost us time and trust. Since switching to PhishDef, our detection accuracy has improved dramatically, and integration was surprisingly painless.”
Carolina Potler