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Newman vs Step CI: catalog facts
Newman	Step CI
Free Free to install from npm.	Freemium The open-source runner is free; the site also lists paid options and demos.
Windows, macOS, Linux, Command line	Command line
Runs Postman collections from the terminal Fits into CI pipelines	Tests REST, GraphQL, gRPC and SOAP in one format Imports from OpenAPI, Postman and Insomnia
Depends on collections built in Postman No graphical interface	No graphical interface for manual requests Requires Node.js or Docker to run
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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