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




Apps similar to Mocklets include Mockoon, which is free and open source. Other options are Webhook.site, WireMock, mockd and Beeceptor. In total there are nine Task Automation Apps like Mocklets for the web, Mac, Windows, Linux and self-hosting.
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.




Webhook.site is a tool for building software that not only use webhooks but other types of communication, either by allowing developers to inspect the data that's being sent via a webhook, but also helps users create workflows that respond to and interact with webhooks from...


WireMock is a simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server.
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.


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







Hosted mock API generator with conditional matching, stateful CRUD, chaos injection, and a live WebSocket request inspector. No signup required to start.




Catch webhooks, collect form submissions, and test email templates — all in one platform. No backend code needed.
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.



