ContributionsMost RecentMost LikesSolutionsRe: http.client.request post() issue djondinium Have you tried changing the body to be formatted for the "application/x-www-form-urlencoded" contentType? <#assign req = http.client.request(protocol, host, url).body("grant_type=refresh_token&refresh_token=${upAuth.refreshToken}&client_id=${upAuth.clientId}&client_secret=${upAuth.clientSecret}", "application/x-www-form-urlencoded").post() />