Cost / License
- Free
- Proprietary
Platforms
- Visual Studio Code
- Mac
- Windows
- Linux




WizTools RESTClient is described as 'RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities' and is a API Client in the development category. There are more than 50 alternatives to WizTools RESTClient for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best WizTools RESTClient alternative is Wget, which is both free and Open Source. Other great apps like WizTools RESTClient are cURL, Postman, Insomnia REST Client and Yaak.








Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can capture values, evaluate queries on headers and body response. It is very versatile: it can be used for both fetching data and testing HTTP sessions.



ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.

gRPC is a modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication.

Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.




Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.



Treblle is the most popular iPad, SaaS & Android Tablet alternative to WizTools RESTClient.
Thunder 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.







Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.




STORM is a free and open source tool for testing web services.
It is written mostly in F#. (I love this language!)
STORM allows you to
