Orion Protocol


About KuCoin Connector

KuCoin is a centralized exchange based in Hong Kong that opened for cryptocurrency trading in September 2017. Nicknamed the "People's Exchange"​, Kucoin is claimed to be easy to use for novice investors while being in-depth enough for crypto enthusiasts.

KuCoin claims to have one of the world’s most impressive trading pair selections, a wide range of alt coins with more than 300 trading pairs, and is regularly adding new pairs. The exchange also has its own cryptocurrency, KuCoin Shares (KCS).

Using the Connector

Because KuCoin is a centralized exchange, you will need to generate and provide your API keys in order to use the Orion Broker.

Enter your KuCoin API key >>>
Enter your KuCoin secret key >>>
Enter your KuCoin passphrase >>>

Private keys and API keys are stored locally for the operation of the Orion Broker software only. At no point will private or API keys be shared or be used in any way other than to authorize transactions required for the operation of Orion Broker.

Creating KuCoin API keys

This FAQ article below in their documentation shows step-by-step instructions on how to create API keys in KuCoin exchange.

Miscellaneous Info

Minimum Order Sizes

Minimum order size varies per market. All minimum trade quantities can be found in the following public API:


The size must be greater than the baseMinSize for the symbol and no larger than the baseMaxSize. For example, trading pair ETH-USDT minimum order size is 0.0001 ETH.

"symbol": "ETH-USDT",
"quoteMaxSize": "999999999",
"enableTrading": true,
"priceIncrement": "0.01",
"feeCurrency": "USDT",
"baseMaxSize": "10000000000",
"baseCurrency": "ETH",
"quoteCurrency": "USDT",
"market": "USDS",
"quoteIncrement": "0.000001",
"baseMinSize": "0.0001",
"quoteMinSize": "0.01",
"name": "ETH-USDT",
"baseIncrement": "0.0000001",
"isMarginEnabled": true

Transaction Fees

Generally, KuCoin charges 0.10% on both maker and taker while a user can get 20% discount on trading fees if paid in KCS. However, users who trade high volumes and own substantial amounts of KuCoin Shares can receive more discounts.

Read through their articles below related to trading fees, and rebates.

Users can override the default fees by editing conf_fee_overrides.yml.

Edit on GitHub