ContributionsMost RecentMost LikesSolutionsRe: Editor is not opening in SoapUI 5.7.0. In 5.6.0 it did I have the same issue, the Editor is not starting in SoapUI 5.7.0 Re: SoapUI 5.4.0 Client Credentials Grant - Get Access Token failure Hi, I have exactly the same issue with my OAuth Token retrieval. In curl, the HTTP header Authorization is used to pass the client_id and client_secret. With SoapUI 5.4.0, these 2 elements are send in the Body of the request, the oauth server is rejecting the request since it is expecting the HTTP header Authorization. It seems to be a bug in SoapUI. /Palou