REST API Spy

Unknown author · Developer Tools

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

Aug 7, 2026

Media

1 item

Description

Capture, analyze, and inspect REST API requests in real time and export OpenAPI 3.0 specifications. REST API Spy is a powerful developer extension for analyzing REST API requests (XHR and Fetch) directly in the browser. Key Features: - Real-time analysis of URL, HTTP method, request & response headers, payload, and response formats. - Clear tree structure sorted by host and path. - Header blacklist for filtering sensitive or irrelevant headers (e.g., User-Agent, Cookies). - Manual addition of descriptions and documentation per API endpoint. - One-click export in the official OpenAPI 3.0 specification format (JSON). Perfect for web developers, QA testers, and API designers!

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
12
Description length
Characters in the listing description.
684
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
14.7

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.