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
WireMock 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)
Cost / License
- Freemium
- Proprietary
Platforms
- Online
+1
Hosted mock API generator with conditional matching, stateful CRUD, chaos injection, and a live WebSocket request inspector. No signup required to start.
Cost / License
- Free
- Proprietary
Platforms
- Online
Czechia- EU
+2
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
