Best alternatives to API Tester - REST API Tester Client FREE (2026)

10 Chrome extensions that do a similar job to API Tester, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

API Tester: reviews, users and permissions Best Developer Tools extensions

API Tester - REST API Tester Client FREE today

≈1K users5.0★ from 1 ratingUpdated 23 months ago1 permissions

API Tester alternatives, compared

1
API Tester - REST Client Testing Tool
Free REST API Tool, Use it to develop, test, debug RESTful APIs and HTTP request & REST services in Google Chrome Web Store.
≈10K users2.7★ from 9 ratingsNot updated for 3+ years6 permissions
- About 10× more users than API Tester
- Updated less recently
- Asks for more permissions (6 vs 1)
API Tester alternatives Compare side by side
2
REST API Tester
Test REST APIs with ease using this Chrome extension.
182 users5.0★ from 6 ratingsNo special permissions
- About 5.5× fewer users than API Tester
- Asks for fewer permissions (0 vs 1)
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3
Yet Another REST Client
YARC (Yet Another REST Client) is an easy-to-use REST Client. Use it to develop, test and debug RESTful APIs.
≈60K users4.4★ from 138 ratingsUpdated 20 months ago4 permissions
- About 60× more users than API Tester
- Updated more recently
- Asks for more permissions (4 vs 1)
Yet Another REST Client alternatives Compare side by side
4
REST Client
Use Rest Client – your powerful REST API client tool for testing and debugging HTTP requests both online and locally in Chrome
≈10K users4.9★ from 17 ratingsUpdated 2 days ago1 permissions
- About 10× more users than API Tester
- Updated more recently
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5
API Tester
Rest API Tester is an easy api testing tool. Streamline your software development and test api online with this Chrome extension.
≈1K users5.0★ from 6 ratingsUpdated 7 months ago8 permissions
- A similar number of users to API Tester
- Updated more recently
- Asks for more permissions (8 vs 1)
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6
API Testing PRO by Zovo - REST and HTTP Client
REST API client and HTTP tester. Send GET, POST, PUT, DELETE. JSON viewer, auth, headers. Postman alternative.
≈1K users5.0★ from 25 ratingsUpdated 2 weeks ago5 permissions
- A similar number of users to API Tester
- Updated more recently
- Asks for more permissions (5 vs 1)
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7
CurlerRoo - REST API client with cURL
REST API client which allows managing and sending cURL requests. This extension grants app.curlerroo.com unlimited storage.
787 users5.0★ from 3 ratingsNot updated for 2+ years2 permissions
- A similar number of users to API Tester
- Updated less recently
- Asks for more permissions (2 vs 1)
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8
Talend API Tester - Free Edition
Visually interact with REST, SOAP and HTTP APIs.
≈600K users4.8★ from 4.3K ratingsUpdated 12 days ago9 permissions
- About 600× more users than API Tester
- Updated more recently
- Asks for more permissions (9 vs 1)
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9
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 10 months ago5 permissions
- About 4.0× more users than API Tester
- Updated more recently
- Asks for more permissions (5 vs 1)
vREST alternatives Compare side by side
10
Boomerang - SOAP & REST Client
Seamlessly integrate and test SOAP & REST services.
≈90K users4.6★ from 1K ratingsUpdated 13 months ago8 permissions
- About 90× more users than API Tester
- Updated more recently
- Asks for more permissions (8 vs 1)
Boomerang alternatives Compare side by side

API Tester alternatives: questions

What is the best alternative to API Tester?

By users, the most popular alternative is Talend API Tester - Free Edition with ≈600K users and a 4.8-star rating. The closest match by what it does is API Tester - REST Client Testing Tool.

Which API Tester 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.

Is there a API Tester alternative that asks for fewer permissions?

REST API Tester asks for 0 permissions, against 1 for API Tester.

How many alternatives to API Tester are there?

We list 10 close alternatives to API Tester 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.