Insomnia
Open-source API design and testing tool with environment variables, plugins, and Git sync.
Insomnia is available with a generous free tier developer tools tool available on WINDOWS, MACOS, LINUX. It serves as an alternative to Postman — subscription software that costs $0/month combined. It's best suited for api developers, backend developers, users who want a desktop api client.
Why Choose Insomnia?
- +Open-source and community-driven — transparent code, no vendor lock-in
- +Full ownership — your data stays on your device, no cloud dependency
- +Works offline — no internet connection required for core functionality
- +No account required — download and start using immediately
- +Cross-platform support — available on 3 platforms
Basic Info
Ownership & Dependency
Ownership
HIGH
Cloud Dependency
LOW
Best For
See All Alternatives
Pros
- +Beautiful UI
- +Environment variables
- +Plugin ecosystem
- +Git sync
Cons
- −Some features are paid
- −Can be slow with large collections
- −Learning curve
How to Switch to Insomnia
- 1
Export your data
Export your data from your current tool in CSV, PDF, or native format.
- 2
Install Insomnia
Download Insomnia from the official website. It costs Free — a one-time purchase.
- 3
Import and configure
Import your data into Insomnia and customize the settings to match your workflow.
- 4
Cancel your subscription
Once you're comfortable with Insomnia, cancel your subscription and start saving.
Replacing: Postman
Frequently Asked Questions
Is Insomnia really a one-time purchase?
Yes, Insomnia costs $null as a one-time purchase. You pay once and own it forever — no monthly or annual fees.
Can I self-host Insomnia?
Yes. Being open-source, Insomnia can be self-hosted on your own server or hardware. This gives you complete control over your data and eliminates any dependency on external services.
What platforms does Insomnia support?
Insomnia is available on WINDOWS, MACOS, LINUX. This cross-platform support means you can use it on all your devices.
Does Insomnia require an internet connection?
No. Insomnia works fully offline — you only need internet for initial download and updates.
Compare Insomnia with alternatives
Insomnia replaces these subscriptions
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