Errors

Error messages returned by the API and the conditions that trigger them

The API returns descriptive error messages when a request is rejected. Below are the errors you may encounter when placing or cancelling orders.

Order Placement Errors

Error	Condition
invalid signature	EIP-712 signature verification or timestamp failed
signature expired	Signature older than 5 minutes
account not found for proxy	Signer proxy not linked to any account
no orders provided	Empty order array
FOK orders cannot be post-only	FOK + post_only=true
IOC orders cannot be post-only	IOC + post_only=true
GTC orders require a price	GTC without price
price cannot be zero	Price = 0
client order id cannot be all zeros	Client order ID is all zeros
price exceeds allowed decimal places	Too many decimal places in price
price exceeds allowed significant figures	More than 5 significant figures in price
quantity must be positive	Quantity is zero or negative
quantity exceeds allowed decimal places	Too many decimal places in quantity
quantity exceeds allowed significant figures	More than 5 significant figures in quantity
command expired	exp_ms is in the past
command expiry too far in future	exp_ms is more than 5 seconds from now

Order Cancellation Errors

Error	Condition
order_not_found	Order doesn’t exist
order_not_pending_risk	Order is in the risk engine
order_not_pending_engine	Order is in engine matching
order_not_in_orderbook	Order is not in the active book