Parameters Vs Body – REST Webservices

I have a LOGIN API which has username, password, platform as parameters. When I test the request by adding key and values in Parameters section, Response has got 500 Error. But I when put the key and value in Body section then I’ve received a valid response.

Could you say what is the difference?

Parameters in body is like

Okay Great, thanks

The parameters section is used to build Query string.

Currently, Katalon Studio only supports raw body parameters but we are planing to support various type of body parameters soon.