Dev tools · alternatives · 2026

24 alternatives to API Test Online

test your api online

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. API Test Online launched in 2018; newer entries below may have overtaken it.

1
Postman▲182
Postman is a powerful HTTP client to test REST API
2014 · postman.com · its alternatives →
2
API Tester▲209
The easiest way to test APIs
2017 · its alternatives →
3
Run in Postman Button▲106
Test public APIs with one click
2016 · postman.com · its alternatives →
4
HTTP Request Online▲5
HTTP Request Online - Free API Testing Tool
Dec 2025 · httprequest.net · its alternatives →
5
ApiHome▲73
Home of API testing
2022 · apihome.io · its alternatives →
6
Apidog▲570
Development teams often struggle with using multiple tools like Postman and Swagger for API design, development, and testing. This fragmented approach leads to outdated API specs and chaotic collaboration. So we built Apidog: a single, unified API platform for team collaboration. It has a beautiful interface that makes it easy to create API spec, generate request data from API spec, validate responses, create mock data, orchestrate test scenarios, and publish API documentation. Apidog = Postman + Swagger + Mock + JMeter.
2024 · apidog.com · its alternatives →
7
API_TESTER▲249
Test your APIs right from the macOS menu bar
2025 · apps.apple.com · its alternatives →
8
UserTest.io▲151
Affordable remote user testing built for rapid user feedback
2017 · its alternatives →
9
UserTesters.io▲322
Earn money for testing websites, right from your couch.
2018 · 123b.global · its alternatives →
10TP
Test Post/Get endpoints easily from your browser▲57
2011 · httpposttool.com · its alternatives →
11
HttpMaster▲82
Simple and practical tool for testing web apps & services
2018 · httpmaster.net · its alternatives →
12
Load-test.io▲99
Website load testing made easy
2021 · its alternatives →
13
Test Anywhere▲138
A cloud service that helps test your website
2016 · testanywhere.co · its alternatives →
14
Apimint▲170
Design and Mock API + code SDK + Auto Documentation
2016 · apimint.com · its alternatives →
15
Proven by Users▲64
Online UX testing & usability research tool suite
2021 · provenbyusers.com · its alternatives →
16
GetMan▲6
Api testing dashboard
2025 · get-man.vercel.app · its alternatives →
17
New way to test APIs with OpenAPI and Postman▲80
Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀 - apideck-libraries/portman
2021 · github.com · its alternatives →
18
ApiChecker▲104
Reliable uptime and performance monitoring for your services
2019 · its alternatives →
19
Goferman▲6
Embeddable API Testing – Fetch, Test, and Debug Anywhere
Oct 2025 · goferman.vercel.app · its alternatives →
20
Mini API Test▲14
Chrome web store
2025 · chromewebstore.google.com · its alternatives →
21
Apicat – A Lightweight Offline Postman Alternative▲13
Apicat is the ultimate offline Postman alternative that stores your .http files locally. It’s Git-friendly, open-source, and highly compatible with Postman. Test APIs offline with this powerful free offline API client designed for developers who need a reliable local API testing tool.
2025 · apicat.com · its alternatives →
22
Roley▲26
API Testing tool built for Teams
May 2026 · roley.io · its alternatives →
23
API Testing Training & Online Course▲2
Your Skill Partner
2021 · mindmajix.com · its alternatives →
24
Library of API collections for Postman▲77
Accelerate API development with Postman's all-in-one platform. Streamline collaboration and simplify the API lifecycle for faster, better results. Learn more.
2017 · postmancollections.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →