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IntelliJ HTTP Client CLI vs Inso: catalog facts
IntelliJ HTTP Client CLI	Inso
Free Offered as a download from JetBrains as a ZIP archive or Docker image.	Free Free to download and use as part of Kong's Insomnia platform.
Command line	macOS, Command line
Runs .http files written in JetBrains IDEs without opening the IDE Suited to CI pipelines	Runs Insomnia tests and collection runs in CI/CD Lints API specifications with support for custom rules
Only useful if your requests are written in the .http file format No graphical interface	Most useful alongside the Insomnia desktop app Command line only, no graphical interface
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is 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 October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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