Mockoon

Mockoon

Mockoon is an open source API mocking application that allows developers to simulate APIs and external services during development and testing. It provides a intuitive interface to quickly create mock HTTP responses, endpoints, proxy paths and examples.
Mockoon image
mocking simulation testing development

Mockoon: Open Source API Mocking Application

Simulate APIs and external services during development and testing with Mockoon, an intuitive API mocking application providing quick mock HTTP responses, endpoints, proxy paths and examples.

What is Mockoon?

Mockoon is an open source API mocking application used by developers to simulate APIs and external services during development and testing. It provides an intuitive interface to quickly mock any system you depend on in your development workflow.

With Mockoon, you can create mock HTTP responses, endpoints, proxy paths and examples through a simple UI without writing code. It supports REST and GraphQL APIs. You get ready-to-use tooling for common scenarios like HTTP status codes, headers, proxying, latency, response body and more.

Key features include:

  • Import OpenAPI/Swagger specs to instantly mock endpoints
  • Proxy requests to transform responses
  • Dynamic variables and scripts in responses
  • Mock REST APIs and GraphQL
  • Team collaboration with Git-based sync
  • CLI automation
  • Plugin ecosystem
  • Self-hosted installation available

Overall, Mockoon saves significant development and testing time by enabling mocking fake APIs and examples very quickly. It's commonly used for faster front-end development, back-end integration testing and buildling complex mocks and scenarios.

Mockoon Features

Features

  1. Mock APIs and external services
  2. Create mock HTTP responses
  3. Define endpoints and proxy paths
  4. Import OpenAPI specs
  5. Dynamic variables and scripts
  6. Response delay simulation
  7. Request matching rules
  8. Response templating
  9. Data generation and sampling
  10. Share mocks with teams

Pricing

  • Free
  • Open Source

Pros

Free and open source

Intuitive and easy to use interface

Support for latest HTTP standards

Active community support

Cross-platform availability

Cons

Limited documentation

Not many advanced features compared to paid tools

No native integrations or plugins


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