API Interceptor
Block API requests that match your custom regular expressions. Simplify testing by controlling network traffic.
As of June 2026, API Interceptor has 17 users in the Developer Tools category.
Usersdown 10.5 percent−10.5%
17
17
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
1.0.0
Manifest V3
History
4 snapshotsTracking since Apr 18, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 18, 2026 | 19 | — | — | 1.0.0 |
| May 3, 2026 | 18 | — | — | 1.0.0 |
| May 12, 2026 | 20 | — | — | 1.0.0 |
| Jun 6, 2026 | 21 | — | — | 1.0.0 |
| Now | 17 | — | — | 1.0.0 |
Permissions & access
- Permissions
- declarativeNetRequeststorage
- Host access
- <all_urls>
Screenshots
About
# 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
Technical
- Version
- 1.0.0
- Manifest
- V3
- Size
- 24.29KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- ohdpihmcfhioiegijmefppebjfdoekmh
- Developer ID
- u295d9d644824ba5b0ba406bf91281dd7
- Developer Email
- [email protected]
- Created
- Oct 8, 2025
- Last Updated (Store)
- Oct 8, 2025
- Last Scraped
- Jun 6, 2026
- Website
- —
- Privacy Policy
- —
Similar extensions
Alternatives to API Interceptor, ranked by description similarity.
Blocker
A powerful web request manager that lets you block, filter, and modify network requests across websites using customizable rules
9
URL Request Blocker
Blocks network requests based on configured URL patterns
87
★ 5.0
Simple URL Blocker
Overview
Simple URL Blocker is a Chrome extension designed to control web access by intercepting and modifying network requests…
13
JS Blocker Extension
Block unwanted JavaScript files from running on websites
181
Intercepta: modify and mock HTTP requests
Intercepts and mocks HTTP requests with custom responses based on user-defined rules for free.
31
★ 5.0
Request Interceptor Pro
Request Interceptor Pro is an advanced web development and security testing tool that turns your browser into a local debugging…
22
★ 5.0
Auth HI!
Say hi to hassle-free auth headers. Inject authentication headers into requests based on URL patterns.
1
Internal Traffic Filter
Filter out your own visits from Umami and datafa.st analytics
1
Data sourced from the Chrome Web Store · last verified Jun 6, 2026.