I have used WireMock in the past that supports pre-defined mocks. It can be run both locally and as a service (I only ran it locally) http://wiremock.org/ http

I have used WireMock in the past that supports pre-defined mocks. It can be run both locally and as a service (I only ran it locally) http://wiremock.org/ http://wiremock.org/ It's more complex than Caffeine, but it has a lot of options. It can also run as a proxy and generate the mocks from actual http requests passing through the proxy