Why do people use MockLab?

Keep building and testing when the APIs you use aren't ready

Ship more robust systems by simulating edge cases and faults

Performance testing without large 3rd party bills

The fast and simple API simulator built on WireMock

Copyright MockLab Ltd 2018

Ready to accelerate your development flow?

Shorter release cycles, more predictable schedules and fewer defects in production

Start Mocking Now

Stateful scenarios

Ship better apps earlier by mocking the APIs you depend on

Rapidly simulate APIs for faster parallel development and more comprehensive testing

Start Mocking Now

Try it free for 14 days

Try it free for 14 days

Simulate stateful behaviour in your mocked API using a simple finite state machine model.


Response templating

Dynamically render responses using the Handlebars templating language.

Manual and automated testing

Craft your simulation using the friendly, no-code UI or go fully automated with the 100% WireMock-compatible API.

Capture traffic to another API, then play it back from MockLab.

Record and playback

Conditional proxying

Mock the unfinished parts of the API and proxy the rest straight through to the real thing.

Test your app to destruction by injecting delays, dropped connections, drip-drip responses and corrupt HTTP payloads.

Delays and faults

All the power and flexibility you need for pain-free testing

Trusted by these companies