https://doc.hausing.app/https://doc.hausing.app/api/gateway/https://doc.hausing.app/guides/01-authentication/https://doc.hausing.app/guides/02-error-handling/https://doc.hausing.app/guides/03-uploading-a-file/https://doc.hausing.app/guides/04-sending-meter-readings/https://doc.hausing.app/guides/05-meter-readings-per-month/https://doc.hausing.app/guides/06-creating-a-ticket/https://doc.hausing.app/guides/07-ticket-chat/https://doc.hausing.app/guides/08-ticket-chat-files/https://doc.hausing.app/guides/09-email-sending-configuration/