API Sentinel Pro

Live API error radar, slow-call detection, replay, export, and AI-assisted debugging.

API Sentinel Pro transforms your browser into a real-time API radar and debugging cockpit. Monitor every network request live, catch errors instantly, replay failing calls, export logs, and send issues directly to ChatGPT, Gemini, Claude, Mistral, or Grok for AI-assisted debugging. Whether you're building APIs, integrating third-party services, or diagnosing production issues, API Sentinel Pro gives you developer-grade insights instantly. --- 🔍 REAL-TIME API RADAR • Track every network request as it happens • Visual radar-style timeline for failures & performance • Live status indicator (red/green) ⚠️ ERROR & SLOW-CALL DETECTION • Automatically detect failed requests (4xx/5xx) • Network failures, CORS errors, blocked requests • Slow-call alerts with adjustable thresholds • Categorized views: Errors, Warnings, Slow, This Tab 🧠 AI-ASSISTED DEBUGGING • Send any failing request to: – ChatGPT – Google Gemini – Anthropic Claude – Mistral – Grok • Auto-generates a structured error summary • Opens the selected AI chat with your debugging prompt pre-filled • Fix issues faster with intelligent context 🔁 REPLAY & EXPORT • Replay failed API calls instantly • Export logs as HAR for deep debugging • Export CSV for audits, teams, or reports • One-click copy of detailed log insights 📊 ANALYSIS & INSIGHTS • Top failing endpoints • Endpoint failure counts • Response time metrics • Category-based summaries (Errors / Warnings / Slow) • Clean, organized panels for data clarity 🎨 BEAUTIFUL MODERN UI • Light & Dark mode • Glassmorphism design • Smooth, minimal animations • Premium developer-focused UX --- 🛡 PRIVACY-FIRST API Sentinel Pro does NOT collect, send, store, or transmit any personal data. All logs remain inside your browser and never leave your device. Your API activity is fully private. Privacy Policy: https://abhizeet17.github.io/api-sentinel-pro/privacy-policy.html Terms of Use: https://abhizeet17.github.io/api-sentinel-pro/terms.html --- ✔ Ideal for developers building or integrating APIs ✔ Works with REST, GraphQL, AI APIs, and browser-based apps ✔ Lightweight, fast, and built entirely on MV3 ✔ No account or signup required ✔ 100% local processing See more. Debug faster. Ship better.