Insomnia vs Scalar
No clear leader: Insomnia (62.0) and Scalar (61.7) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for api development tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Insomnia
A desktop and cloud-based development tool that enables teams to build, test, and debug APIs with support for REST, GraphQL, and gRPC. Includes API design workflows, mocking servers, automated testing capabilities, and integrates with Kong Konnect for API governance and discovery.
Scalar
An open-source platform for building API documentation sites that includes automatically generated SDKs, a browser-based API client, and API registry capabilities. Supports OpenAPI and AsyncAPI specifications.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Insomnia
Free tier with unlimited projects and Git Sync. Pro from $12/user/mo. Enterprise from $45/user/mo with contact sales for 50+ users.
- EssentialsFree
- Unlimited Git Sync projects for small teams
- Unlimited Cloud/Local projects
- Inso CLI access for CI/CD
- Unlimited collection runs
- Unlimited environments
- +4 more
- Pro$12/user/mo (15% savings annually)
- Everything in Essentials
- Unlimited users
- Git Sync for all users
- Unlimited organizations
- Role-based access control (RBAC)
- +1 more
- EnterpriseContact sales
- Everything in Pro
- Native Kong Konnect integration
- SSO (SAML/OIDC) and SCIM
- Mandate data storage location
- Domain capture and invite control
- +6 more
Scalar
From $72/month. Free tier. SDK languages available: TypeScript, Python, C#, Java, PHP, Go, Ruby (+$100 each for Pro/Enterprise).
- FreeFree
- Hosted OpenAPI docs
- Built-in API client
- Themes
- Unlimited viewer seats
- 1 editor seat
- Pro$72/month
- Custom domains and subdomains
- Git Sync, Markdown, and MDX support
- API References from OpenAPI/AsyncAPI
- Custom HTML/CSS/JS
- Email domain access control
- +10 more
- EnterpriseContact sales
- Full developer portals
- SSO/SAML
- Role-based access control (RBAC)
- Priority support and SLAs
- SDK and MCP migration services
- +2 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Insomnia
- Kong Konnect
- GitHub
- Microsoft
- HashiCorp Vault
- Azure Key Vault
- AWS Secrets Manager
- GCP Secret Manager
Scalar
- Agent
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.