API

You can trade permissionlessly using CAP's smart contracts without a UI.
Parameter Formatting
All numbers should be submitted in base units (8 decimals) unless otherwise noted. So 10 ETH would be submitted as 10 * 10^8 = 1000000000.
Parameters that require specific formatting:
productId
The product you want to trade, submitted in bytes32 format.
ETH-USD: 0x4554482d55534400000000000000000000000000000000000000000000000000
BTC-USD: 0x4254432d55534400000000000000000000000000000000000000000000000000
currency
The address of the currency you want to use for your trade.
ETH: 0x0000000000000000000000000000000000000000
USDC: 0xff970a61a04b1ca14834a43f5de4533ebddb5cc8
Trading
Go to the trading contract and connect your wallet.
Submit an order
Scroll down to submitOrder and enter:
payableAmount is your margin if submitting an ETH based trade. Enter the amount in wei (18 decimals). For ERC20 based trades, leave this blank and enter the amount in the margin field.
productId.
currency.
isLong. Enter 1 to go long, 0 to go short.
margin. In base units.
size. In base units. Size / margin determines your position's leverage.
Cancel an order
If your order has not yet been executed by the oracle, you can cancel it. Scroll down to cancelOrder and enter:
productId. Your order's productId.
currency. Your order's currency.
isLong. Your order's direction (1 for long, 0 for short).
Close a position
Scroll down to submitCloseOrder and enter:
payableAmount is the fee to pay if submitting an ETH based trade. Enter the amount in wei (18 decimals), usually 0.1% * your trade size. Otherwise leave blank.
productId. Your position's productId.
currency. Your position's currency.
isLong. Your position's direction.
size. In base units. The amount you want to close.
​
Last modified 5mo ago