Insomnia vs Scalar
No clear leader: Scalar (63.2) and Insomnia (63.0) 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
An open-source application for designing, testing, and managing APIs across REST, GraphQL, gRPC, WebSockets and other HTTP protocols, with flexible local, cloud, and git-based storage options.
Scalar
A platform that creates API documentation, type-safe client libraries, and AI-ready tools from OpenAPI documents, ensuring all developer interfaces stay synchronized as APIs evolve.
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
Free tier available. From $150/month for Pro or $600/month for Business, with yearly billing discounts (2 months free).
- FreeFree
- Hosted OpenAPI docs
- Built-in API client
- Landing pages
- 1 editor seat
- Pro$150/month or $125/month billed yearly ($1,500/year)
- Hosted MCP servers
- 5 editor seats
- Access groups included
- Volume discounts available
- Business$600/month or $500/month billed yearly ($6,000/year)
- SSO and subpath hosting
- 10 editor seats
- Volume discounts available
- EnterpriseContact sales
- Unlimited APIs and custom SDK sizes
- Priority support and SLAs
- SDK and MCP migration services
- Dedicated Slack/Teams channel
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.
- GitHub
Insomnia
- Kong Konnect
- Microsoft
- HashiCorp Vault
- Azure Key Vault
- AWS Secrets Manager
- GCP Secret Manager
- Spectral
Scalar
- Agent
- FastAPI
- ASP.NET Core
- Hono
- Elysia
- Hapi
- Docker
- Docusaurus
- Vercel AI SDK
- OpenAI Agents SDK
- Anthropic Claude Agent SDK
Insomnia or Scalar: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.