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Step CI vs Karate: catalog facts
Step CI	Karate
Freemium The open-source runner is free; the site also lists paid options and demos.	Free Free and open source.
Command line	Command line
Tests REST, GraphQL, gRPC and SOAP in one format Imports from OpenAPI, Postman and Insomnia	API testing, mocks, performance and UI automation in one tool Readable test scenarios
No graphical interface for manual requests Requires Node.js or Docker to run	Requires a Java environment Tests are written as scripts rather than built in a GUI
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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