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Restish vs xh: catalog facts
Restish	xh
Free Free and open source.	Free The open-source application is available without a license fee.
Command line	Windows, macOS, Linux, Command line
Generates commands from an API's OpenAPI document Auth profiles with API keys, OAuth and mTLS	Convenient HTTP requests with structured data
Command line only Shell quoting needs setup to avoid rewriting queries and filters	HTTPie compatibility is not complete.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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