MockMan - mock APIs icon

MockMan - mock APIs

by sudobird · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Mocks api responses for AJAX (XHR) requests. (Postman for Frontend)

Users
2,000
0 in 30 days
Rating
4.1 / 5
unchanged in 30 days
Ratings
17
0 in 30 days
Store rank
#20K
#17K among extensions
Version
4.4.0
updated 8 Jun 2026

Users

monthly, 3 years
3001,1502,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 2,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
31018Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 17 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 MockMan - mock APIs

This is essentially built to increase productivity in frontend development. Made for developers, it lets users to define rules (url, method and mock response) to respond to AJAX calls. Supports all common libraries like axios, superagent, XMLHttp, fetch etc. Response can be a JSON object or an error. It includes a JSON formatter to automatically convert your response in proper json format. Each rule can be individually turned on/off to apply mocking. There's a global power switch to turn off mocking all the rules at once. The JSON object maker lets users to make the object in JS syntax and the formatter will convert it into valid JSON object with inverted commas and no trailing commas etc. some other response types are also supported in the editor like html, xml or text. this can be changed from response headers which by default is set to application/json Features: 1. Urls can be absolute complete paths or regex enabled. 2. Labels for rules, so user can add different versions of same api 3. Delay in response 4. Test your app with success and error responses. 5. Add response headers along with mock response in the rule. Steps for Users - 1. Define the api url, method, response JSON or error msg to be mocked. 2. Refresh the project and the ajax / fetch request will be mocked. Mocked url will disappear from network tab and appear in console if rule matches. For any query or bug report or feature request - reach out to nerdynbirdy@gmail.com. This extension is made with love for fellow developers. If this helps you, support us with good reviews :)) Let's build stuff.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year0+0.0%−1−0.05

Chrome Web Store search rankings

Where MockMan - mock APIs appears when people search the store, with the 30 day change
Search phrasePosition30 days
mock#3−1
response#20+6
error#76+13

Version history

19 versions recorded
4.4.08 Jun 2026
4.3.218 May 2024
4.3.127 Mar 2024
4.2.020 Sep 2023
4.1.113 Sep 2023
4.1.08 Sep 2023
4.0.14 Sep 2023
4.0.01 Sep 2023

Details

Category
Tools
First seen
8 Jul 2020
Size
2.7 MB
Languages
en
Pricing
Free
Extension ID
bigfgeehfoenaimkoohnokeeideaomnd

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageunlimitedStorage

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