About Microcks
Microcks is an open source, cloud-native tool for API mocking and testing. It leverages API standards to provide a uniform and multi-protocol approach for managing API and microservices lifecycles.
It supports synchronous and event-driven APIs using OpenAPI, AsyncAPI, gRPC/Protobuf, GraphQL schemas, and SOAP. It offers customizable mocking, testing automation, and flexible deployment options.
Key features
- Supports multiple API specifications and protocols including OpenAPI, AsyncAPI, gRPC/Protobuf, GraphQL, and SOAP
- Provides smart dynamic mocking with customizable mock data and responses
- Automates provider and consumer contract testing against various specification versions
- Generates code snippets for integration and automates checks within CI/CD pipelines
- Lightweight, containerized architecture allows deployment on-premises, in the cloud, or on laptops
Good fit for
- Simulate application or microservices dependencies to accelerate API development
- Perform contract testing on live implementations
- Integrate API testing into CI/CD pipelines
Microcks: questions and answers
- What is Microcks used for?
- Microcks is an open source, cloud-native tool for API mocking and testing that supports multiple API specifications and protocols. It is a good fit for simulate application or microservices dependencies to accelerate API development, perform contract testing on live implementations and integrate API testing into CI/CD pipelines.
- Is Microcks open source?
- Yes. Microcks is open source under the Apache-2.0 licence. Its source code is on GitHub at microcks/microcks and is written mainly in Java.
- Is Microcks free?
- Yes. Microcks is open source, so the software itself is free to use.
- Can I self-host Microcks?
- Yes. Microcks can be self-hosted on your own server or infrastructure.
- What is Microcks an alternative to?
- Microcks is an open-source alternative to Apidog, Beeceptor and WireMock Cloud. Other open-source alternatives to Apidog include Mockoon and Karate.
- Is Microcks actively maintained?
- Yes. The most recent commit to Microcks was on 11 October 2026, and the latest release is 1.15.0, published on 5 August 2026. The project has 2.1k stars on GitHub.
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