API Interceptor

Block API requests that match your custom regular expressions. Simplify testing by controlling network traffic.

# API Interceptor Block API requests that match your custom regular expressions. Simplify front-end testing by simulating network failures without ever reloading your web page. ## Features - 🚫 **Block requests** using custom regex patterns - 🎯 **Target specific APIs** with precise pattern matching - 💾 **Persistent settings** - your patterns and state are saved - ⚡ **Real-time control** - enable/disable blocking instantly - ✅ **Pattern validation** - validates regex before applying - 🔒 **Privacy-focused** - minimal permissions, no data collection ## How to Use 1. Click the extension icon to open the popup 2. Enter a regex pattern to match URLs you want to block (e.g., `.*api\.example\.com.*`) 3. Click "Save & Apply" to save your pattern 4. Toggle the switch to enable/disable blocking 5. Your settings persist across browser sessions ## Examples Block all requests to a specific API: ``` .*api\.example\.com.* ``` Block all API endpoints: ``` .*\/api\/.* ``` Block analytics services: ``` .*analytics.* ``` ## Permissions - `declarativeNetRequest` - Required to block network requests - `storage` - Required to save your settings - `host_permissions: <all_urls>` - Required to intercept requests on all websites ## Privacy This extension does not collect, store, or transmit any personal data. All settings are stored locally on your device. - ❌ Does not modify page content - ❌ Does not inject scripts into pages - ❌ Does not collect or analyze browsing data - ❌ Does not monitor user behavior - ❌ Does not provide analytics or statistics - ❌ Does not interact with page DOM - ❌ Does not read or modify cookies - ❌ Does not access form data