HashKey Exchange officially released the management rules for sub-accounts and API Keys. The number of sub-accounts and API Keys that users can apply to create will be limited by their user type and level.The effective date of the relevant rules is 2024/2/1 00:00:00 (UTC+8).The rules apply to all users who use API or open sub-accounts to query data and place orders on HashKey Exchange, including Retail and PI customers, market makers, and Omnibus users.