Insomnia

The product is an API collaboration platform for designing, testing, debugging, and mocking REST, GraphQL, gRPC, WebSocket and MCP endpoints, keeping API definitions current and reducing manual syncing and drift. It is for software developers and engineering teams in businesses that build and maintain APIs, including security-focused organizations. It is delivered as a SaaS and open-source desktop application with local, Git, or cloud storage, native Kong Konnect integration, and enterprise identity and governance controls.

Key features

• API client for REST, GraphQL, gRPC, WSS
• AI-native API design
• API mocking with dynamic responses
• Automated API testing at scale
• API debugging
• MCP client and testing
• Kong Konnect integration
• Local, Git, and cloud storage
• Git Sync and filesystem CLI
• Unlimited collection runner
• Authentication helpers and code generation
• Environment variables
• Role-based access controls
• OIDC/SAML single sign-on and SCIM