API Tester Pro icon

API Tester Pro

by Anslation

v2.1.0 Updated Mar 26, 2026 683KiB
CWS
9
Users
★ 5.00
1 reviews
#123860
of 208.4K
developer
#10805 of 18.2K
Recently updated

Description

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.
API Tester Pro screenshot 1API Tester Pro screenshot 2API Tester Pro screenshot 3API Tester Pro screenshot 4API Tester Pro screenshot 5

Reviews

Loading reviews...

Permissions (4)

Permissions

alarms Can schedule periodic background tasks clipboardWrite Can write to your clipboard notifications Can show desktop notifications storage Can store data locally in your browser

Details

Version 2.1.0
Updated Mar 26, 2026
Size 683KiB
First Seen Mar 29, 2026