API Network Recorder by Fernando

Capture authorized API requests and responses for debugging, documentation, and API analysis.

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About this extension

API Network Recorder is a developer tool for capturing, inspecting, filtering, and exporting API and network traffic directly from Firefox.

Debug API integrations, inspect request and response data, document observed endpoints, and generate API references from real browser traffic.

Features:

Capture API-like network requests from web pages.
Inspect request URLs, HTTP methods, status codes, request headers, request bodies, response headers, and response metadata.
Filter captured records by search text, HTTP method, status group, source, host, and API-only mode.
Group captured traffic by endpoint.
Export captured records as JSON.
Export grouped endpoints as Markdown documentation.
Export an OpenAPI draft based on observed traffic.
Pause and resume live updates in the inspector.
Store captured records locally in the browser.

Firefox capture uses the webRequest API. Response bodies may be unavailable when Firefox does not expose them through standard extension APIs.

Captured data is stored locally in your browser. The extension does not upload it to an external server.

Developer comments

API Network Recorder is a developer-focused browser extension for inspecting API-like network activity locally in the browser.

The extension captures request and response metadata from the active browsing session and lets users review endpoints, headers, request bodies, response data, status codes, timing, and source information. Users can export captured data as JSON, Markdown, or an OpenAPI draft.

The extension does not upload captured traffic to any external server. Captured data is processed locally in the browser and exported only when the user manually chooses to do so.

This add-on is intended for debugging API integrations, documenting endpoints, reviewing request/response payloads, and troubleshooting web applications.

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API Network Recorder by Fernando

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