# Update log

| Effective time (UTC+8)  | API    | Update type   | Description       | 
|-------------------------|--------|---------------|-------------------|
| 2026-09-15              | [Broker sub-account API](/products/broker/sub-account/RegisterUser) | New           | Exchange sub-account API launch |
| 2026-06-22              | [Access Restrictions](/products/spot/QuickStart/AccessRestrictions) | Modified      | Updated access restriction rules. |
| 2026-04-23              | *      | New           | Broker API launch |