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Inso vs IntelliJ HTTP Client CLI: catalog facts
Inso	IntelliJ HTTP Client CLI
Free Free to download and use as part of Kong's Insomnia platform.	Free Offered as a download from JetBrains as a ZIP archive or Docker image.
macOS, Command line	Command line
Runs Insomnia tests and collection runs in CI/CD Lints API specifications with support for custom rules	Runs .http files written in JetBrains IDEs without opening the IDE Suited to CI pipelines
Most useful alongside the Insomnia desktop app Command line only, no graphical interface	Only useful if your requests are written in the .http file format No graphical interface
Downloadable app	Downloadable app
Open source	Closed 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.