Dev tools · alternatives · 2026

24 alternatives to MockMaster

The fastest and easiest way to mock any API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MockMaster launched in 2024; newer entries below may have overtaken it.

1
Mock Maker▲93
Effortless mock APIs for seamless testing & prototyping
2024 · its alternatives →
2
Mockoon▲89
Mock servers in seconds
2017 · mockoon.com · its alternatives →
3
Mockoon – mock REST APIs in seconds▲68
Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.
2017 · mockoon.com · its alternatives →
4MO
Mockit – Open-source app to create and configure HTTP mocked endpoints▲158
2019 · mockit.netlify.com · its alternatives →
5
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 This fragmented approach leads to outdated API specs and chaotic collaboration.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 →
6
Mock API Generator▲555
Generate custom data & API to build apps in less than 30s
2021 · retool.com · its alternatives →
7
HttpMaster▲82
Simple and practical tool for testing web apps & services
2018 · httpmaster.net · its alternatives →
8
MockAPI Dog▲122
Instant mock REST & LLM APIs - free, no signup required
Feb 2026 · mockapi.dog · its alternatives →
9
HTTP Mock – Intercept, debug and mock HTTP(S) with zero setup▲341
Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.
2019 · httptoolkit.tech · its alternatives →
10
MockingBot▲82
A rapid prototyping, design collaboration and handoff tool
2018 · its alternatives →
11MS
Mocktastic – Simple, Offline mock REST APIs for your entire team▲43
2018 · mocktastic.com · its alternatives →
12
Mockman▲2
mock-server cross-platform api-mock
2018 · github.com · its alternatives →
13
Postman▲182
Postman is a powerful HTTP client to test REST API
2014 · postman.com · its alternatives →
14
TestMasterHub▲14
Next Gen Testing Solutions
2025 · testmasterhub.netlify.app · its alternatives →
15
Mock API Generator▲17
API Mocks Prototyping
2020 · mock-api-builder.vercel.app · its alternatives →
16
Mockable▲114
For rapid API prototyping: create REST/SOAP mocks in 3 sec
2015 · its alternatives →
17
Mock-API▲5
Simplifying API Mocking for Seamless Development Experiences
2024 · mock-api.net · its alternatives →
18
AI-Powered Mock API Generator▲86
Generate customized, realistic mock data & APIs, via GPT
2023 · its alternatives →
19
Mocklets▲82
A HTTP-based API simulator to assist parallel development 🛠️
2018 · mocklets.com · its alternatives →
20
MockAnAPI▲21
Your gateway to seamless API mocking and robust development
2023 · angkajuditogelresmi.com · its alternatives →
21
API Fast Mock▲6
Stateless API mocks in seconds, powered by tokens.
2025 · apifastmock.com · its alternatives →
22ST
Simple tool to generate mock APIs for testing▲25
2024 · endpts.io · its alternatives →
23
MockAPI▲4
Instant API Mocking for Faster Development
2024 · its alternatives →
24
ezyMock▲81
Mocking API endpoints has never been easier
2017 · 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 →