Best alternatives to Postmann (2026)
10 Chrome extensions that do a similar job to Postmann, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
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Postmann alternatives, compared
- 1
Postman Interceptor
Capture requests from any website and send them to Postman Client.
≈700K users2.7★ from 948 ratingsUpdated 15 months ago7 permissions- About 88× more users than Postmann
- Updated more recently
- Asks for more permissions (7 vs 2)
- 2
RestMan
RESTMan is a browser extension to work on http requests.
≈50K users4.3★ from 46 ratingsUpdated 24 months ago2 permissions- About 6.3× more users than Postmann
- Updated more recently
- 3
vREST - REST API Testing Tool
vREST is an automated REST API Testing Tool. This extension records HTTP requests and their responses in vREST application.
≈4K users4.4★ from 52 ratingsUpdated 11 months ago5 permissions- About 2.0× fewer users than Postmann
- Updated more recently
- Asks for more permissions (5 vs 2)
- 4
Resting
Debug, inspect and test http requests in a easy way
≈3K users3.0★ from 1 ratingUpdated 24 months ago3 permissions- About 2.7× fewer users than Postmann
- Updated more recently
- Asks for more permissions (3 vs 2)
- 5
Talend API Tester - Free Edition
Visually interact with REST, SOAP and HTTP APIs.
≈600K users4.8★ from 4.3K ratingsUpdated 6 days ago9 permissions- About 75× more users than Postmann
- Updated more recently
- Asks for more permissions (9 vs 2)
- 6
ModHeader
Use ModHeader. The ModHeader Chrome extension helps developers test API requests with a header editor and debug website in Chrome.
≈5K users3.9★ from 11 ratingsUpdated 4 weeks ago3 permissions- About 1.6× fewer users than Postmann
- Updated more recently
- Asks for more permissions (3 vs 2)
- 7
tweak: mock and modify HTTP requests
Mock or modify HTTP requests, plus a developer toolbox for any page. Test, develop and demo your web app
≈60K users4.5★ from 240 ratingsUpdated 3 days ago7 permissions- About 7.5× more users than Postmann
- Updated more recently
- Asks for more permissions (7 vs 2)
- 8
MockMan - mock APIs
Mocks api responses for AJAX (XHR) requests. (Postman for Frontend)
≈2K users3.9★ from 18 ratingsUpdated 5 months ago2 permissions- About 4.0× fewer users than Postmann
- Updated more recently
- Listed under Tools
- 9
Power Automate Tools
This extension enables editing a Power Automate flow definition as JSON.
≈10K users4.0★ from 27 ratingsUpdated 8 months ago7 permissions- A similar number of users to Postmann
- Updated more recently
- Asks for more permissions (7 vs 2)
- 10
Modify HTTP Headers (HTTP Header) - FlexHeader
Add, modify & delete HTTP request/response headers with URL & regex rules. Open-source, private, no data collection
≈7K users4.9★ from 31 ratingsUpdated 2 months ago3 permissions- A similar number of users to Postmann
- Updated more recently
- Asks for more permissions (3 vs 2)
Postmann alternatives: questions
What is the best alternative to Postmann?
By users, the most popular alternative is Postman Interceptor with ≈700K users and a 2.7-star rating. The closest match by what it does is Postman Interceptor.
Which Postmann alternative has the best rating?
Talend API Tester - Free Edition has the highest rating of these alternatives with 50+ ratings: 4.8 out of 5 from 4.3K ratings.
How many alternatives to Postmann are there?
We list 10 close alternatives to Postmann on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.