Insomnia review
Insomnia is an open-source API client from Kong for debugging, testing and mocking APIs. It ranks #5 of 11 in our API testing tools list (9.4/10). Best for developers who want a local-first or Git-synced API client with CLI test runs.
Price: Free plan · paid from $10/user/mo (annual) · 14-day Enterprise trial, no credit card required.
What Insomnia is
Insomnia is an API client from Kong with GraphQL and gRPC clients, collection runs, environments and mock servers. The Inso CLI runs tests and linting in CI/CD pipelines, and projects can be stored locally, in Git or in Insomnia's cloud.
Pros and cons
- Free Essentials plan includes unlimited collection runs and Inso CLI access for CI/CD
- Projects can be kept local, synced through Git, or stored in the cloud
- Enterprise has a self-serve 14-day trial with no credit card
- Mock server requests are capped at 1,000/month on Essentials and 10,000/month on Pro; extra is $10 per 25,000
- Git Sync on the free plan is limited to small teams (up to 3 users)
- SSO and SCIM require Enterprise at $45 per user/month
Insomnia pricing
| Plan | Billed annually | Billed monthly | Annual saving | Notes |
|---|---|---|---|---|
| Essentials | Free | Free | — | Free |
| Pro | $10/mo | $12/mo | 17% | Per user; $12 billed monthly, $10 billed annually |
| Enterprise | $45/mo | $45/mo | — | Per user; self-serve up to 50 users, larger teams contact sales; $45 shown under both monthly and annual toggles |
USD, per user per month unless noted. "—" means the price is not published or we could not confirm it. Last checked Nov 15, 2026. Status: verified on Insomnia's pricing page.
Key facts
| Free plan | Yes. Essentials: Git Sync projects for up to 3 users, unlimited cloud/local projects, unlimited collection runs, Inso CLI, 1,000 mock requests/month; also a local-only Scratch Pad |
|---|---|
| Free trial | 14-day Enterprise trial, no credit card required |
| Paid from | $10/user/mo billed annually · $12 monthly |
| Minimum seats | 1 |
| Platforms | Desktop app, Cloud sync |
| Compliance and security | SSO (SAML/OIDC), SCIM, SOC 2 materials available (Enterprise) |
| Support | Enterprise support |
| REST API testing | Yes |
| GraphQL testing | Yes |
| Load testing | Not confirmed |
| API mocking | Yes |
| CI/CD integration | Yes |
| Facts checked | Nov 15, 2026 · verified on the vendor's own site (source) |
Insomnia alternatives
Insomnia compared
Frequently asked questions
How much does Insomnia cost?
Insomnia has a free plan and paid plans start at $10 per user/month billed annually ($12 billed monthly). Prices last checked Nov 15, 2026.
Is Insomnia free?
Yes. Essentials: Git Sync projects for up to 3 users, unlimited cloud/local projects, unlimited collection runs, Inso CLI, 1,000 mock requests/month; also a local-only Scratch Pad
What are the best Insomnia alternatives?
Apidog (9.8/10), Karate (9.8/10), Postman (9.8/10) are the highest-scoring alternatives in our API testing tools ranking.