Use this page to mock Mastodon API Specification (https://github.com/mastodon/mastodon) in your testing and development.
Run our mock API sample using the open source WireMock library, or in the free edition of WireMock Cloud. You'll have a working API server simulating the behavior of Mastodon API Specification (https://github.com/mastodon/mastodon), which will allow you to keep building and testing even if the actual API you isn't currently available.