Announcement of KuCoin API Upgrade (2026-08-20)

2026/08/19 10:33:00

To further enhance the performance of KuCoin UTA-API, KuCoin will conduct non-disruptive upgrades at 6:00 (UTC) on August 20, 2026, upgrade is expected to last 120 minutes.

During the upgrade periods, the UTA WebSocket may experience temporary disconnections, data loss, or delays.

If any of the above issues occur, users may reconnect to the WebSocket to restore the connection.

After the upgrade, the following updates will be introduced:

[Modify] UTA REST Get Trade History When fillType is ADL/LIQUID/SETTLEMENT, size must be returned as positive values.

[Modify] UTA Websocket Execution When fillType/fT is ADL/LIQUID/SETTLEMENT, q(quantity) must be returned as positive values.

[Add] Classic REST Exchange Broker Set Markup Fee

[Add] Classic REST Exchange Broker Get Markup Fee

For more information about the API, please join the official

KuCoin API Telegram Community.

You may also contact us via email at: api@kucoin.com

We sincerely apologize for any inconvenience this adjustment may cause and appreciate your continued support and trust in the KuCoin API.