Dear KuCoin Spot API Users,The KuCoin Spot API high-frequency account has been upgraded without downtime, and the specific optimizations are as follows:1. Add Modify order interface, POST /api/v1/hf/orders/alter.2. Add Sync cancel orders by orderId interface, DELETE /api/v1/hf/orders/sync/{orderId}.3. Add Sync cancel orders by clientOid interface, DELETE /api/v1/hf/orders/sync/client-order/{clientOid}.4. Add Sync place multiple hf orders interface, POST /api/v1/hf/orders/multi/sync.5. Add Obtain List of Active HF Orders interface, GET /api/v1/hf/orders/active/symbols.6. Modify POST /api/v1/hf/orders/multi interface, and input parameters: support batch orders for different trading pairs; output parameters: the return value has been optimized, only orderId and order results are returned.If you are a spot high-frequency trader, we strongly recommend updating the Spot API code to the high-frequency account. For more API communication or feedback, please join our official API Telegram group: https://t.me/KuCoin_API or email newapi@kucoin.plus.Thank you for supporting KuCoin Spot!The KuCoin Spot Team.Find The Next Crypto Gem On KuCoin!Sign up with KuCoin now!>>>.Download KuCoin App>>>.Follow us on Twitter>>>.Join us on Telegram>>>.Join KuCoin Global Communities>>>.