Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Windows




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.








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.



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.






Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import/export in light or dark themes.




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.




