Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux




SmartMock.io is described as 'Tool to set up, manage, and troubleshoot HTTP protocol API mocks (REST, SOAP, JSON-RPC) in the cloud. This frees you up to focus on the logic of your mocks and not have to think about boilerplate code of your own HTTP mock servers' and is an app in the development category. There are more than 10 alternatives to SmartMock.io for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best SmartMock.io alternative is Mockoon, which is both free and Open Source. Other great apps like SmartMock.io are Beeceptor, WireMock, MockServer and SOAP/REST Mock Service.
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.




Build a mock Rest API endpoint in seconds. Helps you in UI development, Webhooks, simulating delays, simulating exceptions and server errors, performance test, etc.



WireMock is a simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server.
MockServer can be used for mocking any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc).
SOAP/REST Mock Service is a simple configurable framework to mock out SOAP or RESTful (or "REST-like") webservices. It's main goal is to support automated integration testing of applications that integrate with 3rd party webservices.
Mockintosh is a mock server generator that's capable to generate RESTful APIs or communicate with message queues to mimick asyncronous tasks. Such that it enables software development teams to work independently while building and maintaining a complicated microservice...











Online API Mocking Tool: API Mock, fake API, stub API, simulate API, dummy API. Capture and debug requests instantly. Forward requests to localhost for webhooks testing and debugging. More than 100 random or faker shortcodes for response templating.



With Mockaron, create mock REST APIs without server configuration or setup. Its intuitive and no-code app makes it super easy to get started.



Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integrations tests.
Free desktop API mocking platform. Create HTTP/REST and WebSocket mock servers with a modern UI. Perfect for developers, QA teams, and trainers.
