Thousands of
API tests from
one example
Flak generates thousands of variations for every test you write, learning from previous results, increasing test coverage without any extra work.
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Get more out of your tests
Flak combines your existing API tests with property-based testing used by major tech companies like Google and Netflix to discover new bugs.
Accelerate development
Develop faster by letting Flak generate the majority of your tests for you and only writing the most crucial example tests yourself using automation tools like autocomplete, environment variables, automatic authentication and more.
Collaborate easily
Seamlessly organize and document your API tests directly in the client and keep your team synchronized using your existing version management system.
Secure and private
Local first
All your data is stored locally and never leaves your system.
Easy to work with
Everything is stored in human-readable YAML files.
Encrypted
Encrypted secrets and authentication credentials.
Write API tests faster
Automatic authentication
Automatically chain authentication with your requests, Flak supports all major authentication methods.
Environment variables
Cut down on repetition with environment variables at every level (workspaces, collections, requests).
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