Insomnia
Insomnia: A flexible, open-source API client with broad protocol support and CLI automation. Ranked #6 of 33 in API Testing Tools by our editors (8.7/10); pricing: Free plan · 14-day trial; best for developers needing a flexible open-source API client.
At a glance
- Editor score8.7 / 10
- PricingFree plan · 14-day trial
- Best forDevelopers needing a flexible open-source API client
- Free planYes
- Paid from$12/user/mo
- Facts checked21 Sep 2026
Where it wins
- Supports REST, GraphQL, gRPC, WebSocket, SOAP, and SSE
- Combines scripting, environments, mocking, testing, and OpenAPI tools
- Offers local, Git, and cloud storage with Inso CLI automation
Where it doesn't
- Essentials Git Sync projects support up to 3 users
- Role-based access control and SSO/SCIM are Enterprise features
- Pro costs $12 per user per month when billed monthly
Our verdict on Insomnia
Insomnia is an open-source API collaboration platform for developers and teams building, testing, debugging, and designing APIs. It supports REST, GraphQL, gRPC, WebSocket, SOAP, and SSE workflows, making it suited to teams working across multiple API styles. Its core toolkit includes request collections, collection runs, scripting, environments, OpenAPI design, mocking, API testing, code generation, and CLI automation. Windows, macOS, and Linux support make it a practical desktop client for varied development environments.
The published plans show a useful freemium structure. Essentials costs $0 per user per month and includes Git Sync projects for up to 3 users, unlimited Cloud/Local projects, Inso CLI for CI/CD automation, unlimited collection runs, unlimited environments, and 1,000 mock server requests per month. Pro costs $12 per user per month when billed monthly, adding unlimited users, Git Sync projects for all users, unlimited organizations, role-based access control, and 10,000 mock server requests per month. Enterprise costs $45 per user per month and adds Kong Konnect integration, SAML/OIDC SSO, SCIM, storage controls, domain capture and invite control, vault integrations, and unlimited mock server requests.
Insomnia stands out when one client needs to cover API design, request execution, debugging, mocking, and automated testing across several protocols. Projects can stay local, use Git repositories, or use Insomnia Cloud, while Git and Kong Konnect provide defined ecosystem connections. The Inso CLI supports CI/CD automation, and API mocking can draw from collections, responses, OpenAPI specifications, or natural language. Developers who want a broad, flexible API client should consider Insomnia; teams that require scheduled recurring runs or dedicated contract-testing support should evaluate those requirements separately before choosing it.
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Insomnia pricing
All 3 Insomnia plans and prices →
Insomnia fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $12/user/mo |
| GraphQL support | Yes |
| SOAP support | Yes |
| Scheduled runs | Not verified |
| CI/CD integration | Yes |
| Mock server | Yes |
| Contract testing | Not verified |
| Included requests | Not verified |
| Free trial | 14 days · no card needed |
| Deployment | Cloud, Self-hosted, Desktop |
| Platforms | Windows, macOS, Linux |
| Compliance & security | SOC 2, SSO/SAML |
| Support | |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 9 integrations: GitHub, GitLab, Jenkins, Vercel, Kong Konnect, AWS … |
| Pricing | Free plan · 14-day trial (source) |
| Website | insomnia.rest |
| Facts checked | 21 Sep 2026 |
Insomnia integrations
Insomnia lists 9 integrations on its own site.
- GitHub
- GitLab
- Jenkins
- Vercel
- Kong Konnect
- AWS
- GCP
- HashiCorp Vault
- Azure
Alternatives to Insomnia
- PostmanA mature API test platform with broad protocol support and a wide feature set.9.3
- ApidogA broad API toolkit for teams that need design, testing, automation, and documentation together.9.2
- SoapUIA broad, free API testing desktop tool for functional, contract, performance, and load work.9.0
See all Insomnia alternatives →
Insomnia vs the competition
- Insomnia vs Postman
- Insomnia vs Apidog
- Insomnia vs SoapUI
- Insomnia vs Karate
- Insomnia vs ReadyAPI
- Insomnia vs Bruno
Compare Insomnia with any tool side by side →
Also Ranked In
Insomnia is ranked in 7 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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