Insomnia

Developer Tools
4.4 Rating on G2
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Overview

Insomnia is an API development platform that helps developers design, test, debug, mock, and collaborate on APIs. It supports REST, GraphQL, gRPC, WebSockets, SOAP, SSE, and other API workflows, with tools for OpenAPI design, automated testing, scripting, environments, and API mocking. Developers and API teams use Insomnia throughout the development lifecycle, from designing specifications to validating endpoints and automating tests through the Inso CLI. Its flexible local, Git, and cloud storage.

Key Features

  • API debugging
  • API testing
  • OpenAPI design
  • API mocking
  • REST client
  • GraphQL client
  • Environment management
  • Git synchronization
  • Inso CLI
  • MCP client

Rating on Trusted Platform

G2 4.4/5

Pros & Cons

👍 Pros

  • Broad protocol support
  • Free Essentials plan
  • Local storage option
  • Strong OpenAPI workflow
  • Flexible Git integration

👎 Cons

  • Some collaboration features require paid plans
  • Advanced enterprise controls cost more
  • Documentation can be less comprehensive

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