API Tester Pro

Unknown author · Developer Tools

Open in Chrome Web Store

Users

Avg rating

5.0

Ratings

Updated

Apr 7, 2026

Media

5 items

Description

Premium API testing workspace for REST, GraphQL and WebSocket workflows. API Tester Pro is a powerful and lightweight browser extension built for developers to test and debug APIs directly from their browser. It supports REST, GraphQL, and WebSocket workflows in a single interface, eliminating the need for multiple tools. Users can create and send requests, analyze responses, manage headers, and reuse saved configurations for faster development. Key Features: REST API testing with full request customization GraphQL query and mutation support WebSocket connection testing Save and manage API configurations locally Clipboard support for quick data handling Clean and developer-friendly interface API Tester Pro is designed for simplicity, performance, and efficiency, making it ideal for frontend developers, backend developers, and testers.

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.
14
Description length
Characters in the listing description.
851
Media assets
Screenshots and videos on the listing.
5
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).
54.3

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

Description

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
14
Description length
Characters in the listing description.
851
Media assets
Screenshots and videos on the listing.
5
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).
54.3

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