October 2025

[October 29, 2025] Added API for retrieving the maximum transferable amount.

Interface：/api/v3/account/max-transferable
Changes：

• Added API for retrieving the maximum transferable amount.

[October 9, 2025] Notice: Optimization of Idempotency Rule for clientOid in Unified Account

Affected APIs:
REST API: Place Order, Batch Place Order
REST API: Order Details
WebSocket : Place Order, Batch Place Order
Before Optimization: Based on a time limit, the validity period of clientOid does not exceed 2 hours.
After Optimization: The time limit is removed, and the rule is optimized to be determined by the current order status. Specifically, clientOid cannot be duplicated during the order pending period; once the order is filled or canceled, clientOid can be duplicated.