ContributionsMost RecentMost LikesSolutionsRe: GoToWebinar API Support Hello, I am trying to register users via the API endpointhttps://api.getgo.com/G2W/rest/v2/organizers/{organizerKey}/webinars/{webinarKey}/registrants with a test body of {"firstName":"Testname","lastName":"Lastname'","email":"string@test.de"} I always get the error"Your request could not be processed because the request body is not parsable". I sticked to the instructions herehttps://developer.goto.com/GoToWebinarV2/#operation/createRegistrant, tried with "Accept: application/json" and "Accept: application/vnd.citrix.g2wapi-v1.1+json" in the header. Does anybody know this error and what could case it?