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
France
EU
+1
Alternatives list
- 24 Mockoon alternatives
53 Apidog alternativesDesign and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
Singapore
+1
23 WireMock alternativesWireMock is a simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
Multi-protocol mock server for HTTP, gRPC, GraphQL, WebSocket, MQTT, SSE, and SOAP. One Go binary, zero dependencies. Supports stateful CRUD, digital twins (passes real SDK tests), chaos engineering, OpenAPI/Postman/HAR/cURL import, and a built-in MCP server for AI agents.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Online
- Software as a Service (SaaS)
- Linux
- Windows
- Mac
United States
Build a mock Rest API endpoint in seconds. Helps you in UI development, Webhooks, simulating delays, simulating exceptions and server errors, performance test, etc.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
31 MockServer alternativesMockServer can be used for mocking any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc).
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
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.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
S
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...
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- United States
RestFaker is a developer tool for creating realistic mock REST APIs in minutes. Build fake endpoints, generate test data, use authentication, protect routes, and simulate backend behavior without waiting for a real backend.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
Serbia
+4
Free desktop API mocking platform. Create HTTP/REST and WebSocket mock servers with a modern UI. Perfect for developers, QA teams, and trainers.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Global
MockFlow.io is a developer tool for creating, managing, and testing mock APIs quickly. It helps frontend developers, QA testers, SaaS builders, and agencies simulate real API responses without setting up a backend.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Israel
+1
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.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Poland- EU
+1
United Kingdom
