WireMock is described as 'Simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server' and is an app. There are more than 10 alternatives to WireMock for a variety of platforms, including Mac, Windows, Linux, Web-based and SaaS apps. The best WireMock alternative is apimock-rs (API Mock), which is both free and Open Source. Other great apps like WireMock are Reqable, Mockoon, Beeceptor and MockServer.
apimock-rs (API Mock) is a developer-friendly, super-lightweight and functional HTTP(S) mock server built in Rust. It provides file-based mechanism for mocking RESTful APIs using static JSON responses. Optionally, dynamic routing is supported: rule-based matching via toml and...
Reqable is a modern cross-platform project, designed for API development, testing, and debugging. Reqable fully supports HTTP1 and HTTP2 and partially supports HTTP3(QUIC).
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.
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.
Collaboration based mock services with persistent data storage, git integration and intelligent proxying to quickly bring user flows to life.
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...
SmartMock.io is a 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.
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.
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Clean UI, fast and very intuitive UI