Catch Every Webhook.Fix It In Minutes.
See the exact request that failed. Replay it instantly. Mock responses when you don't have a backend yet. No subscription traps, just a tool that works.
Works offline. No third-party servers. Buy once, use forever.
Features
Everything you need to debug HTTP traffic
Single 15MB binary with zero dependencies. Works offline, unlimited instances, no request limits.
Real-time Web UI
Monitor all HTTP traffic in real-time through a clean, intuitive web interface. See requests as they happen.
Request/Response Inspection
Inspect headers, body, and metadata. Automatic JSON formatting for easy debugging.
Webhook Replay
Replay webhooks with a single click. Perfect for debugging webhook integrations at 2am.
Mock Mode
No backend? No problem. Test webhooks with configurable mock responses and delays.
SQLite Storage
All traffic stored locally in SQLite. Configurable retention, export anytime, your data stays yours.
Smart Detection
Automatic content-type detection, JSON formatting, and syntax highlighting for all formats.
Simple Pricing
One price. No subscriptions.
Local Proxy Inspector
Lifetime license for v1.x
Unlimited instances
No request limits
Works offline
All features included
Compare with ngrok pricing - break even in 5 months
Testimonials
Loved by developers
“Finally, a tool that just works. No account creation, no subscription management, no usage limits. Just debugging.”
- Indie Hacker
“I was tired of ngrok pricing for basic webhook debugging. LPI paid for itself in less than 5 months.”
- SaaS Founder
“The webhook replay feature alone is worth the price. Saved me hours of debugging time.”
- Full-stack Developer
Ready to debug smarter?Get LPI today.
One-time purchase. Lifetime license. No recurring fees.
Get started for $49