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Developer tool that logs all API calls made by websites. Shows method, headers, payload, and response in a clean dev-friendly UI. Debug and monitor API requests easily with API Request Logger, the essential developer tool for tracking network calls, analyzing request/response data, and troubleshooting API integrations. API Request Logger is a powerful Chrome extension designed for developers, frontend engineers, QA testers, and API developers who need to inspect, debug, and monitor HTTP requests made by websites. Whether you're debugging API integrations, analyzing network traffic, reverse-engineering API endpoints, or monitoring application behavior, this extension provides comprehensive request logging with a clean, developer-friendly interface. API Request Logger automatically captures all fetch() and XMLHttpRequest calls made by websites you visit. No configuration needed - simply install the extension and start browsing. The extension intercepts requests in real-time, capturing every detail you need for debugging and analysis. View comprehensive details for every API call: HTTP Methods: GET, POST, PUT, DELETE, PATCH, and more Request URLs: Full endpoint addresses with query parameters Request Headers: All headers including authentication tokens, content types, and custom headers Request Bodies: Complete payload data in JSON, form data, or raw format Response Status Codes: HTTP status codes (200, 404, 500, etc.) Response Headers: All response headers including CORS, caching, and content type Response Bodies: Full response data in readable format Response Times: Performance metrics showing how long each request took Error Information: Detailed error messages for failed requests Experience a clean, intuitive Material Design 3 interface optimized for developers: Color-Coded Status Indicators: Instantly identify successful (green), redirect (yellow), client error (orange), and server error (red) responses Method Badges: Visual indicators for HTTP methods with distinct colors Dark Mode Support: Comfortable viewing in any lighting condition Responsive Layout: Optimized 800x600px popup window for maximum visibility Smooth Animations: Polished transitions and interactions for a professional feel Quickly find the requests you need with advanced filtering capabilities: Search by URL: Find requests by endpoint, domain, or path Filter by Method: Show only GET, POST, PUT, DELETE, or other HTTP methods Filter by Status: Filter by response status codes (2xx success, 3xx redirect, 4xx client error, 5xx server error, or errors) Real-time Filtering: Filters apply instantly as you type Clear All: Remove all logged requests with one click Watch API calls happen in real-time as you interact with websites: Automatic Updates: New requests appear automatically without manual refresh Live Statistics: See total requests, successful calls, errors, and more Request Counter: Track how many requests have been logged Performance Metrics: Monitor response times and identify slow endpoints 💾 Local Storage & Privacy Your data stays on your device - always: 100% Local Storage: All logged requests stored locally using Chrome's secure storage API No External Transmission: Zero data sent to external servers or third parties No Cloud Sync: Everything remains on your device for maximum privacy Automatic Cleanup: Automatically manages storage by limiting to 1000 most recent requests Full Control: Clear all data anytime with the Clear button Built with security and privacy as top priorities: Manifest V3 Compliant: Uses the latest Chrome extension architecture Strict Content Security Policy: Prevents XSS attacks and malicious code execution No Tracking: Zero analytics, telemetry, or user tracking No External Dependencies: Self-contained with no third-party services Open Source Ready: Code available for security review 🚀 Perfect For Install the Extension: Add API Request Logger to Chrome with one click Browse Websites: Navigate to any website that makes API calls View Requests: Click the extension icon to see all intercepted API requests Inspect Details: Click any request to view complete request/response information Search & Filter: Use search and filters to find specific requests quickly Clear When Done: Remove all logged data with the Clear button. Manifest V3: Built with the latest Chrome extension standard Browser Compatibility: Chrome 88+, Edge 88+, and other Chromium-based browsers Storage Limit: Maximum 1000 requests stored (oldest removed automatically) Supported Protocols: HTTP and HTTPS requests via fetch() and XMLHttpRequest Performance: Lightweight and efficient, minimal impact on page load times. Developer Tool: This extension is designed for development and debugging purposes Sensitive Data: Be aware that logged requests may contain authentication tokens, passwords, or personal information Responsible Use: Use in accordance with website terms of service and applicable laws Limitations: Only captures fetch() and XMLHttpRequest calls (not WebSocket or other protocols) Debug API authentication issues by inspecting request headers Monitor API rate limiting and quota usage Analyze API response times and performance bottlenecks Reverse-engineer undocumented API endpoints Verify API request payloads match expected format Troubleshoot CORS and network errors Learn how modern web applications communicate with backends Document API behavior for team members Test API integrations during development Monitor third-party API calls made by websites We continuously improve API Request Logger based on developer feedback. Expect regular updates with new features, performance improvements, and bug fixes. Have questions, suggestions, or found a bug? We'd love to hear from you! Open an issue on our repository or contact us directly.
API Monitor
🚀 API Monitor v1.2.2 – Advanced On-Page API Inspector & Console Monitor No need to open Chrome DevTools. API Monitor captures XHR and Fetch requests through a floating on-page panel — inspect details, replay requests, monitor console logs, and manage storage without leaving the page. ✅ Request Replay — edit and resend any captured request; diff view compares replayed vs original; localhost mode with remembered port ✅ Improved JSON Viewer — auto-expands nested structures; smoother interactions ✅ API Detail Tab Mode — tabbed layout (Response / Request / General / Headers) with drag-to-reorder in settings ✅ Redesigned Storage Panel — hover-reveal Edit/Delete, inline editing, add new entries; supports LocalStorage, SessionStorage, and Cookies v1.2.0 — HAR file export (Postman-compatible), dedicated "Copy cURL" button per record v1.1.2 — Real-time console log monitoring with level filtering, keyword search, and stack trace 🔍 Network — captures XHR & Fetch; filter by URL, method, status, latency, time range; domain allow/block list 🧐 Inspect — headers, body (JSON/text/FormData), response time; one-click cURL copy and HAR export 📊 Console — real-time log capture with level filter (log/warn/error/info/debug) and keyword search 💾 Application — inspect and manage LocalStorage, SessionStorage, and Cookies 🔐 Permissions — browser permission status at a glance (camera, mic, geolocation, etc.) 🔒 Privacy — all data stays local; nothing sent to external servers
API Sniffer - Endpoint Detector
Capture, replay, and automate HTTP requests with real-time WebSocket, WebRTC monitoring and passive API leak detection. API Sniffer is a powerful, lightweight developer tool designed to simplify API debugging, monitoring, and documentation. Whether you are reverse-engineering an app, writing documentation, or debugging network calls, API Sniffer completely eliminates the need to manually dig through the browser's Network tab. 🔌 WebSocket Monitoring: • Real-time capture of all WebSocket connections and messages (sent & received). • Split-panel UI with connection sidebar and live message stream. • Pause/Resume listening to freeze capture without losing data. • Export captured WebSocket data as JSON or CSV with one click. 📡 WebRTC Monitoring: • Intercepts all RTCPeerConnection creation, ICE candidates, SDP offers/answers, data channels, and media tracks. • Full event stream with color-coded badges for each event type. • Export all WebRTC data as structured JSON. • Shared Pause/Resume control with WebSocket monitoring. 🔐 Passive API Leak Detection (Secrets Scanner): • Automatically scans all request URLs, request headers, response headers, and response bodies for leaked secrets. • Detects 38+ secret types: AWS keys, Google API keys, Stripe keys, JWTs, Bearer tokens, GitHub/GitLab tokens, Slack/Discord/Telegram tokens, OpenAI keys, SendGrid keys, Firebase keys, Shopify tokens, private keys, and more. • URL parameter scanning catches API keys leaked in query strings (?key=, ?api_key=, ?access_token=, ?token=, ?secret=). • Context-Aware Filtering: Smart false-positive reduction that examines JSON key names — drops normal IDs (request_id, client_id, etc.) and only reports values assigned to security-sensitive keys (password, secret, token, auth, etc.). • Click any detected leak to view full details with matched value and surrounding context. • Export all findings as CSV for reporting. • Advanced Dashboard: A full-page professional dashboard for in-depth API testing. • API Repeater: Send, modify, and replay captured HTTP requests manually. View raw requests and preview responses instantly with multi-tab support. • API Automator (Fuzzer): Automate API testing by injecting payloads into requests using the §target§ marker. Supports manual lists, .txt file uploads, numeric ranges, and incremental payloads. • Target Scope Management: Define specific domains in your scope and easily filter the popup to "Show Scope Only," keeping your workspace clutter-free. • 1-Click Integration: Instantly send any captured endpoint from the popup directly to the Repeater (RPT) or Automator (AUT) queues. • CSV Export for Automator: Export all your automated run results (including status codes, lengths, and response times) directly to a CSV file. 🚀 Real-time Monitoring — Automatically captures fetch/XHR requests, WebSocket messages, and WebRTC connections silently as you browse. 🧹 Smart Filtering — Built-in filters ignore static assets (.png, .css, .mp4, etc.), while the Custom Blacklist lets you hide specific noisy domains. Target Scope lets you strictly focus on testing domains. 🔐 Leak Detection — Passively scans all network traffic for accidentally exposed API keys, tokens, passwords, and secrets with context-aware false-positive filtering. 📂 One-Click Export — Instantly copy all endpoints to your clipboard, or download them as a clean .txt, structured .json for Postman/Insomnia, or CSV for spreadsheets. 🎯 Precision Control — Easily start, stop, pause, or reset the recording process at any time. Remove single endpoints from the list without clearing everything. 🔌 Protocol Coverage — Monitors HTTP (XHR/Fetch), WebSocket, and WebRTC traffic from a single extension. ⚡ Lightweight & Secure — Runs 100% locally in your browser. No external servers, no tracking, and it won't slow down your browsing speed. Perfect for Web Developers, Pentesters, Bug Bounty Hunters, and QA Engineers who need to analyze network traffic quickly and efficiently.
Tiny HTTP/S Logger
Command & Code Labs: View and filter HTTP/HTTPS requests made by the current site. Tiny HTTP/S Logger by Command & Code Labs gives you instant visibility into the network requests your browser makes when you visit a website. Whether you’re a developer, tester, or just curious, this tool lets you see exactly what’s happening behind the scenes—without the clutter of full DevTools. 🔍 What it does - Captures and displays all HTTP/HTTPS requests made by the current site in real time. - Shows details such as method, scheme, status code, content type, domain, and request length. - Lets you filter by domain, HTTP method, scheme, status class (2xx/3xx/4xx/5xx), regex matches, or tab scope. - Switch between a table view and a timeline view for better request inspection. - Export logs easily as CSV or NDJSON for offline analysis or sharing. ⚙️ How it works - The extension uses Chrome’s webRequest API to observe metadata about network traffic. - It runs entirely in your browser with per-site permissions—you must explicitly click Enable on this site before it can log anything. - No background logging across all tabs. No silent monitoring. You stay in control. - Everything is stored locally and transiently; logs clear automatically when you disable, reload, or choose “Clear.” 🔒 Privacy & Security - No data leaves your device. All logs stay inside your browser. - No remote servers. No analytics. No tracking. - Minimal permissions: only webRequest, tabs, and storage. Site access is requested on demand, per site, never globally. - Built for transparency, not data collection. 🌟 Why install it? - Developers & testers: Quickly debug API calls, check response codes, or spot failing endpoints without opening full DevTools. - Security learners: See how modern sites load assets, call APIs, and redirect traffic in real time. - Curious users: Understand what your browser is doing every time you load a page. Tiny HTTP/S Logger is lightweight, focused, and built with respect for your privacy. If you’ve ever wanted an easy way to peek into network activity without friction, this extension is for you.
REST API Monitor
Monitor, log, and analyze REST API requests in real-time. Perfect for developers, QA engineers, and API analysts. REST API Monitor is a powerful Chrome extension designed specifically for developers, QA engineers, and API analysts who need comprehensive insights into REST API communication patterns. With its intuitive interface and advanced filtering capabilities, this extension provides real-time monitoring and detailed logging of all API requests made by web applications. 🔍 **Real-time API Monitoring** - Monitor all REST API requests (GET, POST, PUT, DELETE, PATCH) in real-time with detailed request information including headers, body, and response data. Generate cURL commands for easy replication. 📊 **Tab-based Organization** - Organize API logs by individual browser tabs. Each tab maintains its own separate log history for easy tracking of API calls for specific websites. 🎛️ **Selective Tab Monitoring** - Choose which tabs to monitor with individual checkboxes. Enable or disable API logging for specific tabs without affecting others. 🔍 **Advanced Filtering & Search** - Filter API requests by HTTP method and search by URL patterns with real-time filtering to focus on specific API endpoints. 📝 **Comprehensive Request Details** - Capture request headers, body data, timestamps, and response information for complete API analysis. 📤 **Export Capabilities** - Export filtered API logs to JSON format for sharing with team members or integration with other tools. - Smart API detection that filters out static resources and tracking scripts - Performance optimized with minimal memory footprint - Privacy-first approach with all data stored locally - Compatible with Chrome 88+ and Edge 88+ - Built with Manifest V3 for latest Chrome extension standards **🎯 Perfect For:** 🔧 **Development & Debugging** - Monitor API calls during development to understand request patterns and debug integration issues. 🧪 **Quality Assurance** - Track API requests during testing to ensure proper functionality and validate request/response formats. 📊 **API Analysis** - Analyze API usage patterns, identify frequently called endpoints, and understand application behavior. 📚 **Documentation** - Generate cURL commands and export API logs to create comprehensive API documentation. 1. Install the extension and it automatically starts monitoring API requests 2. Use the popup to enable/disable monitoring for specific tabs 3. Browse websites and interact with applications while the extension captures API requests 4. View logs, apply filters, and export data for analysis - All data processing happens locally in your browser - No external data transmission or server communication - Complete privacy and security of your API monitoring data - User control over data collection and storage - Professional grade tool built specifically for developers and QA engineers - Comprehensive coverage of all aspects of API monitoring and analysis - Privacy-focused with complete local processing - Performance optimized for minimal impact on browsing experience - Intuitive interface suitable for all skill levels Join thousands of developers, QA engineers, and API analysts who rely on REST API Monitor for their daily workflow. Download today and take your API development workflow to the next level! This extension processes all data locally in your browser. No personal data is collected, stored, or transmitted to external servers. All API monitoring data remains completely private and secure on your device. Users have complete control over their data and can delete it at any time. - ✅ Real-time API request monitoring and logging - ✅ Tab-based organization with selective monitoring - ✅ Advanced filtering by HTTP method and URL search - ✅ Comprehensive request details with headers and body - ✅ cURL command generation for easy replication - ✅ JSON export capabilities for data sharing - ✅ Privacy-focused local data processing - ✅ Modern UI with responsive design - ✅ Performance optimized for minimal impact - ✅ Compatible with Chrome 88+ and Edge 88+
