User session token
Order ID of the order to replace; e.g. "ORD-1234567890"
New price for the replacement order (optional, inherits from original if not provided)
Whether the replacement order is post-only (optional, inherits from original if not provided)
New quantity for the replacement order (optional, inherits from original if not provided)
x >= 0New time in force for the replacement order (optional, inherits from original if not provided)
Order replaced successfully
Order ID of the new replacement order; e.g. "ORD-1234567890"