Announcement of KuCoin API Upgrade - December 9, 2025

Dear KuCoin Spot Users,

In order to improve the performance of KuCoin API Spot, KuCoin will carry out a live upgrade at 06:30 (UTC) on December 9, 2025. The upgrade time will be 30 minutes. The websocket push of user balance/private order/l2 increment might cause loss or delay during the upgrade period.

If there is a large market fluctuation before the upgrade, we will postpone the upgrade according to the market change by announcement notice.

For more API communication or feedback, please join our official api telegram group: https://t.me/KuCoin_API or send email to api@kucoin.com

We apologise for the inconvenience! Thank you for supporting KuCoin Spot!

The KuCoin Spot Team