Native API testing tool, supporting HTTP and gRPC protocols, workspaces, environments, request management, various content types, and dark mode.
- API Client
- Free • Open Source
- Mac
- Linux
+4Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.
- API Client
- Free • Proprietary
- Mac
- Windows
- Linux
- Visual Studio Code
A HTTP inspection tool with support for HTTP/2 and HTTP/3. Alternative to Postman.
- API Client
- Free • Open Source
- Mac
- Windows
- Linux
+1API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.
- HTTP Client
- Free • Proprietary
- Mac
- Windows
- Docker
A free open source, native Apple OS X app for testing HTTP/REST endpoints.
- API Client
- Free • Open Source
- Mac
API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.
Discontinued- Test Automation
- Free • Open Source
- Mac
- Windows
- Linux