Microcks

Microcks is an open source tool for API mocking and testing. It turns API specifications and artifacts into live mocks, and tests implementations for conformance with those specifications.

It supports several specification formats and protocols: OpenAPI for REST, AsyncAPI for event-driven APIs, gRPC with Protobuf, GraphQL and SOAP. This lets synchronous and asynchronous APIs be simulated and tested with the same tool.

Microcks is distributed under the Apache License 2.0, is actively developed on GitHub and is an incubating project of the Cloud Native Computing Foundation (CNCF).