The best alternatives to NativeRest are Postman, Thunder Client, and Hoppscotch. If these 3 options don't work for you, we've listed a few more alternatives below.
Postman is the world’s leading API platform, used by more than 30 million developers and 500,000 organizations worldwide for building and managing APIs.
Postman enables teams to efficiently collaborate at every stage of the API lifecycle while prioritizing quality, performance, and security.
Thunder Client is Rest API Client Extension for Visual Studio Code, with simple and clean design. The extension makes api testing very easy with Scriptless GUI based testing.
Kreya is a privacy focused GUI client for gRPC, REST and WebSocket APIs (think Postman or Insomnia). Kreya stores all data locally in a JSON format, giving the user full control over it. Kreya projects are designed to be shared with others users via git.
Thanks to its unique features, Kreya makes building and testing APIs faster. Designed to be easy to use while also supporting advanced use cases.