Request Alchemist

by Gersanco · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Intercept and customize API responses with precision pattern matching, status codes, headers, and delays.

Users

−2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#146K

#122K among extensions

Version

0.4.0

updated 21 May 2026

Users

monthly, 7 months

Latest, 16 Oct 2026: 22 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Request Alchemist

Advanced HTTP request mocking for developers. Intercept and customize API responses with precision pattern matching, status codes, headers, and delays. Organize mock rules in folders, test error scenarios, and debug APIs without backend dependencies. Essential DevTool for frontend development, QA testing, and API integration. Export/import configurations, duplicate rules, and manage complex mock scenarios effortlessly.