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WireMockMicrocks
Freemium

The core engine is free and open source; WireMock Cloud has a free tier and paid plans.

 Free

Free and open source.

Web, Self-hosted, Command line Self-hosted
  • Flexible request matching and response templating
  • Record and playback of real service traffic
  • Mocks REST, gRPC, GraphQL and event-driven APIs
  • Tests implementations against API contracts
  • Standalone mode needs Java or Docker
  • Collaboration features are in the paid cloud product
  • Needs a server or cluster to run
  • More setup than a desktop API client
Downloadable app, Self-hosted, Hosted service Self-hosted
Open source Open source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.