Position Code 400 will be returned in addition to a listing of error in JSON format In the event the request consists of syntax error(s) like missing necessary parameter. Objective Data-HK is non-financial gain platform, we hope to convey the pattern of sharing data into Hong Kong. From the government https://johnnyuoqnu.wikistatement.com/5087680/new_step_by_step_map_for_data_hk_lengkap