Payload in network tab { "data": { "type": "appStoreVersions", "attributes": { "platform": "IOS", "versionString": "2.19.0" }, "relationships": { "app": { "data": { "type": "apps", "id": "1574384899" } } } } } Response { "errors": [{ "status": "500", "code": "UNEXPECTED_ERROR", "title": "An unexpected error occurred.", "detail": "An unexpected error occurred on the server side. If this issue continues, contact us at https://developer.apple.com/contact/." }] }