Side by side

Mockfly vs Mockttp

Mockfly

7.4#3 in api mocking toolsFrom €150 a year

Free planWebAPIExtensionLinux

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Mockttp

6.5#11 in api mocking toolsFree plan

Free planWebLinuxmacOSSelf-hosted

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What both publish

Fact	Mockfly	Mockttp
Integrations	The Chrome extension captures browser requests and adds selected endpoints to a Mockfly project.	The README example uses Mocha, Chai, and Superagent, while noting that these tools are optional and Mockttp can work with other promise-capable testing tools and HTTP clients.

Mockfly plans

StarterFree
Pro€15 a month
Team€49 a month
Pro annual€150 a year
CompanyPriced on request

Mockttp plans

HobbyistFree
Professional—
Team—

Pick Mockfly if…

Mockfly suits frontend, backend, mobile, QA, and testing engineers who need shared mock APIs. It is also useful for teams that want to import API definitions, automate mock management, or serve projects locally offline.

Pick Mockttp if…

Mockttp suits JavaScript developers who need HTTP mocking, proxying, or integration tests across Node.js and browsers. It also fits teams running parallel tests or building custom traffic-inspection proxies.

Charts they share

API Mocking Tools