# API Error Logger

> Monitors and logs HTTP API errors (4xx/5xx status codes) across web pages. Features site-specific toggle, console logging control, error filtering by status code, and JSON export. Displays error count in toolbar badge with color-coded severity.

Canonical page: [https://chrome-stats.com/d/api-error-logger](https://chrome-stats.com/d/api-error-logger)

## Overview

- **ID:** `api-error-logger`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Costopher
- **Category:** web-development
- **Daily users:** 1
- **Version:** 0.1.5
- **Last updated:** 2025-08-26
- **First published:** 2025-08-22
- **Size:** 26 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/api-error-logger/)

## Description

API Error Logger helps developers and QA teams track API failures in real-time. The extension intercepts all HTTP requests made by web pages and captures errors with detailed information including:

• Request/response details (URL, method, status, headers, payload)
  • Response timing and duration
  • Error timestamps for debugging

Key Features:
  - Site-specific logging toggle - enable/disable per domain
  - Console logging toggle for debugging
  - Filter errors by type (4xx client errors, 5xx server errors)
  - Export logs as JSON for analysis
  - Badge notification with color-coded severity (yellow/orange/red)
  - Stores up to 2000 errors with automatic trimming
  - Works across all frames and tabs

Perfect for developers testing APIs, QA teams monitoring production issues, or anyone debugging web application errors.

## Rankings

- #124,471 — Overall
- #19 — error

## Permissions and access

### Permissions

- `storage`
- `downloads`
- `notifications`
- `activeTab`
- `tabs`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/api-error-logger)