Cancels an existing open or partially filled order identified by order ID. This action immediately requests order cancellation from the exchange, preventing further execution while preserving any partial fills already completed.
Use Case: Stop unfilled orders when market conditions change or trading strategies need adjustment before complete execution.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Original client order ID to cancel
1 - 100"ORDER-123456"
Account identifier
1 - 50"TEST-ACCOUNT-001"
Trading symbol
1 - 20"AAPL"
Order side
BUY, SELL, SELL_SHORT, BUY_TO_COVER "BUY"
Security type
CS, OPT "CS"
Put or Call (for options)
PUT, CALL, P, C "CALL"
Strike price (for options)
"150.00"
Maturity date in YYYY-MM-DD format (for options)
"2025-01-17"