Dear KuCoin Users, To provide our valued users a better trading experience, KuCoin will adjust the Spot Level2/Level3 REST Interface of “Get Full Order Book” at 7:00:00 am June 3, 2021 (UTC). KuCoin will deprecate the “Get Full Order book” of v2 interfaces for Level2/Level3, and add the “Get Full Order book” of v3 interfaces for Level2/Level3 which needs the "General" API permission. Deprecated v2 API interfaces are as follows： 1. Spot Level-3 Get Full Order Book： GET /api/v2/market/orderbook/level3 2. Spot Level-2 Get Full Order Book： GET /api/v2/market/orderbook/level2 New v3 API interfaces are as follows： 1. Spot Level-3 Get Full Order Book： GET /api/v3/market/orderbook/level3 2. Spot Level-2 Get Full Order Book： GET /api/v3/market/orderbook/level2 For more information, please check https://docs.kucoin.com/#order-book If you are using the above interfaces or features, please upgrade or migrate your API as soon as possible to ensure the smooth transaction. If you have any questions or concerns related to KuCoin API , please feel free to contact us: Support: https://support.kucoin.plus/hc/en-us Telegram: https://t.me/KuCoin_API Email: api@kucoin.com We apologize for any inconvenience this may cause. Thank you for your understanding and support! Thanks for your support! The KuCoin Team Find The Next Crypto Gem On KuCoin! Download KuCoin App>>> Follow us on Twitter>>> Join us on Telegram>>> Join KuCoin Global Communities>>>