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
Requester Alternatives
Requester has been discontinued. Similar apps include Postman, which has a free version. Other options are Insomnia REST Client, Yaak, Hoppscotch and ApiArk. There's no shortage of API Clients like Requester, with more than 25 alternatives for Mac, Windows, Linux, the web and Chrome OS.
Alternatives list
56 Vayu API Client alternativesBuild REST and GraphQL requests, then load-test identical endpoints locally with a native C++ engine. Import Postman, Insomnia, and OpenAPI data; use layered environments, pm.* scripts, CSV or JSON runs, SSE, mock servers, and an MCP server for coding agents.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
India
Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
+4
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
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
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
API integration platform for testing, prototyping, and running of any API flow. The right tool for successful API flow integration - nice, easy, simple, and cheap.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
United Kingdom
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
49 ApiClient alternativesHelps you to test the Rest API with your phone including features like import, edit and export postman collections.With this, you don't need to look for your laptop or PC whenever you need to test and modify your REST APIs. You can work on them anytime, on the go.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Android
Lightweight, free and open-source offline REST and GraphQL API client for Visual Studio Code. A privacy-focused client for testing APIs, HTTP requests and web services.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Cursor
- Windsurf
- Visual Studio Code
- India
+9
