Lightweight open-source API client
Introduction
Insomnia is Kong's lightweight open-source API client: clean UI, fast startup, smooth REST and GraphQL debugging, with a designer mode for OpenAPI-first workflows. Where Postman goes all-in-one, Insomnia keeps core debugging lean and quick.
Key Features
- REST/GraphQL/gRPC debugging
- OpenAPI designer mode
- Environments and scripting
- Plugin ecosystem
- Local data encryption
Pros
- Lean, fast and smooth
- Transparent open-source core
Cons
- Collaboration needs cloud sign-in
Pricing
Core is free; enterprise collaboration is paid.（See official site for current pricing）
FAQ
Insomnia vs Postman?
Insomnia for lean debugging; Postman/Apifox for team suites.
gRPC support?
Yes, gRPC debugging is supported.
Local data?
Yes, fully local with encryption.
Related Sites
Collected on lucifer.city · Reviewed by the founder