Apidog vs Insomnia

Apidog is an all-in-one API development platform that puts design, debugging, testing, mocking and documentation in one tool, so a team works from a single OpenAPI-based source of truth instead of passing specs between Swagger, Postman and a docs site. It runs in the browser and as desktop apps for macOS, Windows and Linux, and it markets itself directly as a cheaper Postman alternative.

Designers build endpoints and JSON Schemas in a visual editor; developers send requests over HTTP, GraphQL, gRPC, WebSocket, SOAP and SSE with Postman-compatible scripts; QA builds visual test scenarios, scheduled runs and performance tests; schema-driven mocks need no code; and interactive docs publish with custom domains. Sprint branches, Git connection, a CLI for CI/CD and self-hosted runners round it out. The free plan covers up to four users; Basic, Professional and Enterprise are billed per member, and documentation readers are free.

It fits teams that want to replace Postman plus a separate docs and mock tool. Stoplight and Redocly are stronger for pure design governance, ReadMe and Mintlify produce more polished public developer portals, and Postman has the larger ecosystem. Apidog's mock and docs features are less mature for large public API programs.

Recent releases focus on AI: an MCP server that feeds API specs to Cursor and other AI editors, an MCP client and AI agent debugger, AI test case generation and schema compliance checks. Apidog also offers an EU data region and an on-premises edition. Import a Postman collection during the 14-day trial to compare.

Insomnia is an open-source desktop API client and design tool. Gregory Schier created it in 2015, and Kong, the San Francisco API gateway company, acquired it in 2019. The core is Apache 2.0 licensed on GitHub, where the repository has around 40,000 stars. Its core job is to let developers send, debug and test API requests, design OpenAPI specs and mock endpoints from one app.

It supports REST, GraphQL, gRPC, WebSocket, Server-Sent Events and Socket.IO, plus an MCP client for testing Model Context Protocol servers. Projects can live locally, in Git or in Kong's cloud with optional end-to-end encryption, and a Scratch Pad works without an account. Scripts, an unlimited collection runner, mock servers and the Inso CLI round it out. Essentials is free with Git Sync for up to 3 users, Pro adds unlimited users and RBAC, and Enterprise adds SSO, SCIM and storage policies.

Insomnia fits developers who want a lighter, local-first alternative to Postman and teams already using Kong Gateway or Konnect. Collaboration and documentation features are thinner than Postman's, and the 2023 decision to require accounts for syncing upset part of its community. Postman remains the broadest platform, Apidog bundles design, docs and testing in one workspace, and Stoplight is stronger for design-first API governance.

Insomnia 13 shipped in June 2026 with native Kong Konnect integration, which pulls routes, endpoints and configuration from Konnect into the app. Pro is $12 per user a month or $10 billed annually, and Enterprise comes with a 14-day free trial.