Native API client for Windows & Linux — collections, environments, OpenAPI import, Git sync, request chaining, and response testing.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Windows
- Linux
Germany
EU
+4
Bruno Alternatives
Bruno is described as 'Lightweight open source API client for testing endpoints, saving requests as plain text files, offline use, git-compatible collaboration, and privacy-focused storage' and is a popular API Client in the development category. There are more than 50 alternatives to Bruno for a variety of platforms, including Windows, Mac, Linux, Web-based and Flathub apps. The best Bruno alternative is Postman, which is free. Other great apps like Bruno are Insomnia REST Client, Yaak, Insomnium and ApiArk.
Alternatives list
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- 18 Apiboo alternatives
Native desktop workspace for macOS, Windows, Linux combining REST and GraphQL API requests, Postman and OpenAPI import, PostgreSQL/MySQL/SQLite management, SSH/SFTP, encrypted vault for credentials, docs, Kanban boards, offline use, and integrated team chat.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
Austria- EU
+9
A 
Free, privacy-first API client built natively into VS Code. Test REST, GraphQL & WebSocket APIs locally — no login, no cloud sync, no telemetry.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Visual Studio Code
United States
+1
RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
South Korea
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)
+2
Visual API testing & load-testing workbench for HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka — with a workflow designer, API mock server, and CI-ready CLI.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Windows
- Mac
- Linux
- Online
- United States
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Windows
- Mac
- Linux
- Global
+4
Fast, offline-first REST API client for testing and debugging APIs — no account, no cloud, collections stored as plain JSON files on your disk.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Windows
- Mac
- Linux
Ecuador
Create multi-step HTTP API checks in a visual editor by chaining requests, extracting response values, applying conditional logic, and setting assertions. Runs can be scheduled or triggered in CI/CD, logging payloads, assertion results, and timings for debugging.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
Spain- 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
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
