Insomnia is an open-source API client by Kong — fast request building with Git sync and design-first workflows. If it doesn't fit your pricing, workflow, or feature needs, here are 2 alternatives worth comparing — including options with a free plan and open-source picks.
Looking for the original? See the full Insomnia listing.
| Tool | Best for | Pricing | Free plan | Open source | vs Insomnia |
|---|---|---|---|---|---|
 Postman | Teams that need one shared source of truth for APIs | Freemium · from $14/user/mo | The full-lifecycle platform: mocks, monitors, public docs, and the largest API collaboration ecosystem. | ||
 Hoppscotch | Developers who want an instant, no-install API client | Freemium | Runs entirely in the browser with no account needed, and the whole platform is MIT-licensed for self-hosting. |
The full-lifecycle platform: mocks, monitors, public docs, and the largest API collaboration ecosystem.
Runs entirely in the browser with no account needed, and the whole platform is MIT-licensed for self-hosting.
The collaborative API platform — design, test, document, and monitor APIs in one workspace.
Postman is the top-listed Insomnia alternative on this page — the full-lifecycle platform: mocks, monitors, public docs, and the largest API collaboration ecosystem. The right choice depends on your budget, workflow, and required integrations, so compare the table above before deciding.
Yes. Postman offers a free plan, with paid plans from $14/user/mo. Other listings may also include free tiers — check the Free plan column in the comparison table.
Yes. Hoppscotch is open source (source code available on GitHub), which makes it a good fit if you want self-hosting or full control.
Each alternative solves a similar core task and is an active listing in the directory. The one-line difference next to each tool summarizes how it diverges from Insomnia in pricing, focus, or capability.
