ContributionsMost RecentMost LikesSolutionsRe: PUT request works in POSTMAN but in ReadyAPI it thows "500 server error" Hi, Also check if Postman is sending any Cookies with the request. Best way i can think to detect this kind of problem is using charles web debugging proxy (https://www.charlesproxy.com/) with postman and readyAPI and then compare the requests sent through the proxy. ciao Ralf Re: hide REST Request Parameter window Hi Karel, i know, but this is not sticky and is lost after a restart of readyAPI. Screenspace is valuable when you have to work with big xml requests and responses... ciao Ralf hide REST Request Parameter window Hi all, is there a possibility to hide the REST Request parameter window? The API i am testing doesn't use parameters and screen space is valuable. ciao Ralf