API Tester Pro
Premium API testing workspace for REST, GraphQL and WebSocket workflows.
As of June 2026, API Tester Pro has — users and a 5.00/5 rating from 1 reviews in the Developer Tools category.
Usersno change0%
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Ratingno change0%
5.00
1 reviews
Reviewsno change0%
1
Version
2.1.1
Manifest V3
90-day change · In the last 90 days this extension 1 version update, changed permissions.
History
10 snapshotsTracking since Apr 6, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 6, 2026 | 7 | 5.00 | 1 | 2.1.0 |
| Apr 18, 2026 | 9 | 5.00 | 1 | 2.1.0 |
| Apr 23, 2026 | 7 | 5.00 | 1 | 2.1.1 |
| May 7, 2026 | 8 | 5.00 | 1 | 2.1.1 |
| May 12, 2026 | 7 | 5.00 | 1 | 2.1.1 |
| May 17, 2026 | 11 | 5.00 | 1 | 2.1.1 |
| May 24, 2026 | 10 | 5.00 | 1 | 2.1.1 |
| May 30, 2026 | 8 | 5.00 | 1 | 2.1.1 |
| Jun 6, 2026 | 9 | 5.00 | 1 | 2.1.1 |
| Jun 15, 2026 | 7 | 5.00 | 1 | 2.1.1 |
| Now | — | 5.00 | 1 | 2.1.1 |
Changelog
- Apr 18, 2026host_permissions
https://*/*
http://*/*, https://*/*
Permissions & access
- Permissions
- storagealarmsnotificationsclipboardWrite
- Host access
- http://*/*, https://*/*
Screenshots
About
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.
Technical
- Version
- 2.1.1
- Manifest
- V3
- Size
- 683KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- feopehddfpeghlkgflgaaphbgjgflnli
- Developer ID
- u909a1124375999b79287509b2155236e
- Developer Email
- [email protected]
- Created
- Feb 15, 2026
- Last Updated (Store)
- Apr 7, 2026
- Last Scraped
- Jun 15, 2026
- Website
- —
- Support URL
- —
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