Never Miss a vulnerability in JavaScript
The best bug bounty tip is to hunt the newest features. JSSpy watches your target's JavaScript and alerts you when something changes — like new endpoints, APIs, leaked keys, parameters...
Trusted by 250+ security researchers
Real-time monitoring active
Monitoring
Active Users
URLs Monitored
Leaked keys detected
Powerful Features for bug bounty hunters
Everything you need to find & report the most critical bugs
24/7 JavaScript Monitoring
Track changes in JavaScript files with our advanced monitoring system. Get notified when new code is deployed or modified.
- Real-time change detection
- Custom monitoring intervals
- Instant notifications
Burp Suite Extension
Use our Burp extension seemlessly add JavaScript files to your account while hunting.
- Add multiple URLs at once
- Fast
- Easy to use
Diff Viewer
Compare versions with our powerful diff viewer. Quickly identify code changes and track modifications over time.
- Side-by-side comparison
- Syntax highlighting
- Change history tracking
Regex Matching
Automatically detect new endpoints, leaked keys, APIs, and parameters using advanced pattern matching.
- Custom regex patterns
- API key detection
- Endpoint discovery
Choose the plan that's right for you
Free Plan
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URL Monitoring
Limited to 25 URLs
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Basic Regex-based Detection
API endpoints, URLs, parameters
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Burp Suite Extension
Seamless addition of URLs via Burp
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Email Notifications
Premium Plan
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URL Monitoring
Up to 500 URLs
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Advanced Regex-based API Key Leak Detection
AWS Secret key, GitHub token, MongoDB URI...
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Burp Suite Extension
Seamless addition of URLs via Burp
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Email Notifications