WireMock is a free and open source tool for building and testing mock APIs. WireMock frees you from dependency on unstable APIs and allows you to develop with confidence. It's easy to launch a mock API server and simulate a host of real-world scenarios and APIs - including REST, SOAP, OAuth2 and more.
Want to participate? All contributions are welcome: features and bug fixes, documentation, creating new demos and guides, cool artwork, spreading the word about WireMock and submitting proposals and issue reports. Here's our Contributor Guide where we Join the community on Slack and the #help-contributing channel to get started.
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