Error and Status Code Reference

This page summarizes commonly used status, function, and event codes in Fubon Neo API securities trading, so that developers can quickly look up results and diagnose issues.

Order Status

The current status of an order. Obtain it through GetOrderResult or an active report.

Status	Value	Description
Scheduled order	0	Scheduled order
System is sending the order to the backend	4	Query the status with GetOrderResult
Sending to the backend	8	Query the status with GetOrderResult
Connection timeout	9	Query again later with GetOrderResult or contact your broker
Order accepted	10	Order accepted
Unfilled order cancelled	30	Unfilled order cancelled successfully
Partially filled; remainder cancelled	40	Partially filled; remainder cancelled
Fully filled	50	Fully filled
Failed	90	Failed
Order-history query marker	14, 24, 34	14 - price-change ACK; 24 - quantity-change ACK; 34 - cancel ACK
Price change succeeded	15	Order-history query
Quantity change succeeded	20	Order-history query
Price change failed	19	Active report
Quantity change failed	29	Active report
Cancellation failed	39	Active report

Function Type

Identifies the operation represented by a report or query result.

Function	Value	Description
New order	0	New order
New-order execution	10	New-order execution
Change price	15	Change price
Change quantity	20	Change quantity
Cancel order	30	Cancel order
Fully filled	50	For order-history queries
Failed	90	Failed

Event Code

When you subscribe to event notifications through on_event, the system returns the following codes.

Code	Meaning
100	Connection established
200	Login succeeded
201	Login warning (for example, password has not been changed for 90 days)
300	Disconnected
301	No connection pong was received
302	User logged out and disconnected
304	API Key changed (revoked); the session was forcibly logged out (added in v2.2.7)
500	Error