Routebase keeps your API's design, docs, mock servers, contract tests and monitoring in one living OpenAPI spec so they can't drift apart.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- Mac
- Windows
+2
Insomnium Alternatives
Insomnium has been discontinued. Similar apps include Bruno, which is open source with a free version. Other options are Postman, Insomnia REST Client, Yaak and Hoppscotch. There's no shortage of API Clients like Insomnium, with more than 25 alternatives for Mac, Linux, Windows, the web and Chrome OS.
Alternatives list
GetAPI is a native macOS app that simplifies REST API testing by allowing users to import from Postman, make HTTP requests, and view responses in a streamlined interface.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
United States
+2
API Dash is a beautiful open-source cross-platform API Client built using Flutter which can help you easily create & customize your API requests, visually inspect responses and generate API integration code. A lightweight alternative to postman/insomnia.
Cost / License
- Free
- Open Source (Apache-2.0)
Application typeApplication types
Platforms
- Windows
- Mac
- Linux
- Debian
- Ubuntu
- Linux Mint
- Fedora
- Red Hat Enterprise Linux
- CentOS
A local-first HTTP and GraphQL client for macOS with request history, dynamic variables, imports, and request-to-trace debugging.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
Poland
EU
Resonance is a local-first, zero-account API client application designed to provide an excellent user experience for testing and interacting with APIs. Built with Tauri, it offers a modern and intuitive interface for developers.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Linux
- Flathub
- Flatpak
- Mac
- Windows
- Snapcraft
apikumo is an API workspace that combines an API client, a hosted documentation site, and a live MCP (Model Context Protocol) endpoint in one place. Design your API once, and every AI agent can call it.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Spec0 keeps your OpenAPI specs in one place and keeps them honest. Push specs from CI, the CLI or a GitHub app; Spec0 versions them, computes a change-log between versions, and blocks breaking changes on the pull request rather than after they ship.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
Germany- EU
Use Test API for restful api testing. This postman alternative test rest api online and use post request online to test API endpoint.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Google Chrome
- United States
Send HTTP requests to API endpoints. GetIt's main focus is to make your life a lot easier when you have to test APIs or use somebody else's API.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Linux
- Flathub
- Flatpak
+1
Api Quest is a desktop application designed for executing HTTP requests, storing them on the local file system, and providing portability. Whether you're a developer, QA or system engineer, this tool offers solution for handling HTTP requests effectively.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Windows
- Linux
EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Google Chrome
- Visual Studio Code
- IntelliJ IDEA
United Kingdom