Prepare an order cancellation.
Returns EIP-712 typed data for the user to sign. After signing, submit the signature via the /execute endpoint.
Request to cancel an open order on a traditional investing perp market.
Owner of the traditional investing product account
Asset ticker symbol (e.g. AAPL, GOLD, EUR)
Hyperliquid order ID to cancel
Client order ID to cancel (alternative to order_id)
Successful Response
Returned by prepare endpoints — contains EIP-712 typed data for the user to sign.