KuCoin API Notification
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๐Ÿ‘‰๐Ÿ‘‰Important Upgrade๐Ÿ‘ˆ๐Ÿ‘ˆ

We are excited to announce the launch of public interfaces for the Unified Trading Account API on September 29, 2025, at 10:00 UTC. These interfaces provide a streamlined way to access trading and market data under the Unified Trading Account framework. The specific changes are as follows:
Domain Unification: All API requests for the Unified Trading Account will use the unified domain: https://api.kucoin.com.

Launching Interfaces:

1. Get Announcements (GET /api/ua/v1/market/announcement)
Description: Obtain the latest news announcements, with default page search for announcements within a month.
Replaces:
GET /api/v3/announcements

2. Get Currency (GET /api/ua/v1/market/currency)
Description: Request the currency details of a specified currency.
Replaces:
GET /api/v3/currencies/{currency}
GET /api/v3/currencies

3. Get Symbol (GET /api/ua/v1/market/instrument)
Description: Request a list of available currency pairs for trading.
Replaces:
SPOT: GET /api/v2/symbols/{symbol}
SPOT: GET /api/v2/symbols
FUTURES: GET /api/v1/contracts/{symbol}
FUTURES: GET /api/v1/contracts/active

4. Get Ticker (GET /api/ua/v1/market/ticker)
Description: Request market tickers for all the trading pairs in the market (including 24h volume); takes a snapshot every 2 seconds.
Replaces:
SPOT: GET /api/v1/market/orderbook/level1
SPOT: GET /api/v1/market/allTickers
FUTURES: GET /api/v1/ticker
FUTURES: GET /api/v1/allTickers

5. Get Recent Trades (GET /api/ua/v1/market/trade)
Description: Get the latest 100 trades of the specified symbol.
Replaces:
SPOT: GET /api/v1/market/histories
FUTURES: GET /api/v1/trade/history

6. Get OrderBook (GET /api/ua/v1/market/orderbook)
Description: Query order book depth data (aggregated by price). Suitable for professional traders; use WebSocket incremental feed for updates due to strict rate limits.
Replaces:
SPOT: GET /api/v1/market/orderbook/level2_{size}
SPOT: GET /api/v3/market/orderbook/level2
FUTURES: GET /api/v1/level2/depth{size}
FUTURES: GET /api/v1/level2/snapshot

7. Get Klines (GET /api/ua/v1/market/kline)
Description: Get the Kline (candlestick) data of the symbol, returned in grouped buckets based on requested type. Returns up to 1500 pieces of data per query; page by time for more data.
Replaces:
SPOT: GET /api/v1/market/candles
FUTURES: GET /api/v1/kline/query

8. Get Futures Funding Rate (GET /api/ua/v1/market/funding-rate)
Description: Get the current futures funding fee rate.
Replaces: GET /api/v1/funding-rate/{symbol}/current

9. Get Funding Rate History (GET /api/ua/v1/market/funding-rate-history)
Description: Query the funding rate at each settlement time point within a certain time range for the corresponding contract.
Replaces: GET /api/v1/contract/funding-rates

10. Get Cross Margin Config (GET /api/ua/v1/market/cross-config)
Description: Request the configuration info of cross-margin trading.
Replaces: GET /api/v1/margin/config

11. Get Service Status (GET /api/ua/v1/server/status)
Description: Get the service status.
Replaces:
SPOT: GET /api/v1/status
FUTURES: GET /api/v1/status

We will continue to roll out additional Unified Trading Account API interfaces in Q4 2025. Please refer to future announcements for updates. For detailed documentation, visit https://www.kucoin.com/docs-new/change-log.
Changes to Funding Rate Intervals for SUPERUSDT Perpetual Contract

To better align perpetual futures prices with spot index prices, KuCoin Futures will adjust the funding rate settlement frequency for the SUPERUSDT Perpetual Contract at 13:00 (UTC) on September 29, 2025.

https://www.kucoin.com/announcement/en-changes-to-funding-rate-intervals-for-superusdt-perpetual-contract-09-29
Changes to Funding Rate Intervals for AIAUSDT Perpetual Contract

To better align perpetual futures prices with spot index prices, KuCoin Futures will adjust the funding rate settlement frequency for the AIAUSDT Perpetual Contract at 9:00 (UTC) on Octomber 9, 2025.

https://www.kucoin.com/announcement/en-changes-to-funding-rate-intervals-for-aiausdt-perpetual-contract-10-09
Important Announcement: Upgraded Mark Price Calculation Method on KuCoin Futures

Following the successful completion of the first batch of mark price formula upgrades on October 18, KuCoin Futures will implement a full upgrade of the mark price calculation method for all contracts (excluding Pre-Market Contracts) on October 22, 2025, from 07:00 to 09:00 (UTC).

https://www.kucoin.com/announcement/en-important-announcement-upgraded-mark-price-calculation-method-on-kucoin-futures-2025-10-22
Important Announcement: Upgraded Mark Price Calculation Method on KuCoin Futures(2025-10-22)

Mark Price = Median(Price1, Price2, Contract Price)

Price1 = Index Price ร— [1 + Latest Funding Rate ร— (Time to Next Funding / Funding Interval)]

Price2 = Index Price + Basis Moving Average

Contract Price = Latest Transaction Price

https://www.kucoin.com/announcement/en-important-announcement-upgraded-mark-price-calculation-method-on-kucoin-futures-2025-10-22

https://www.kucoin.com/support/26684973273625
KuCoin Futures Will Delist the FRAGUSDT,MAJORUSDT and GORKUSDT Perpetual Contracts

To mitigate market risks and provide users with a better trading experience, KuCoin Futures will delist the following perpetual contracts at 08:00 on October 28, 2025 (UTC).

https://www.kucoin.com/announcement/en-kucoin-futures-will-delist-the-fragusdtmajorusdt-and-gorkusdt-perpetual-contracts-10-28
KuCoin Futures Will Delist the LAUNCHCOINUSDT Perpetual Contract

Due to the brand upgrade of Launch Coin (LAUNCHCOIN), which will be renamed as Believe (BELIEVE), KuCoin Futures will delist the LAUNCHCOINUSDT perpetual contract at 08:00 on October 25, 2025 (UTC).

https://www.kucoin.com/announcement/en-kucoin-futures-will-delist-the-launchcoinusdt-perpetual-contract-2025-10-25
KuCoin Will Adjust the Tick Size for Certain Spot Trading Pairs

In order to increase market liquidity and improve trading experience, KuCoin will be adjusting the Tick Size (i.e., the minimum change in the unit price) of the following Spot trading pairs at 10:00 on October 27, 2025 (UTC).

https://www.kucoin.com/announcement/en-kucoin-will-adjust-the-tick-size-for-a-certain-spot-trading-pair-20251027