Announcement of KuCoin API Upgrade (2026-07-01)

Kucoin

To further enhance the performance of KuCoin UTA-API, KuCoin will conduct non-disruptive upgrades at 08:00 (UTC) on July 1, 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:

[Add] UTA REST Get Client IP Address

[Add] UTA REST Get Fiat Price

[Modify] UTA REST Get Klines. The symbol field has been updated. You can query corresponding K-line data via the values below:

{symbol}-index-price: Index price K-line for contract trading pairs
{symbol}-mark-price: Mark price K-line for contract trading pairs
{symbol}-premium-index: Premium index K-line for contract trading pairs

[Modify] UTA REST Get Ticker . New fields added in response: priceChange, priceChangePercent, indexPrice, markPrice

[Modify] UTA REST Get Account Currency Assets (UTA) Added response field: collateralStatus: platform-level margin collateral status

[Modify] UTA Websocket Balance . Added push field cS: platform-level margin collateral status

[Modify] Classic REST Get Deposit List & Classic REST Get Deposit Detail. Added new response value：

New preConfirms: Min number for balance confirmation
New confirms: Confirmation number for balance unlock
New currentConfirms：Current deposit confirmation number

[Add] UTA WebSocket Public Channel Funding Fee

[Add] UTA WebSocket Public Channel Mark Price

[Modify] Classic Websocket / Futures Trading / Private Channels / Positions: /contract/positionAll topic added Funding Fee Settlement pushes for All Positions, added param "symbol" in response field "data"

For more information about the API, please join the official

KuCoin API Telegram Community.

You may also contact us via email at: [email protected]

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

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