Rate Limits

Key points

• This page summarizes Fubon Neo API connection and order-rate limits.
• The connection limit is 10; login is limited to 1,000 times per day; order placement and account queries have per-second limits.
• An error message is returned when a limit is exceeded.

Item	Limit
Connections	10
Daily logins	1,000 / day
Order placement	50 / second
Batch order placement	10 / second
Account queries	5 / second

Connection limit

Action	Limit
Connections	10

When the connection limit is exceeded, login returns the following message:

Result {
  is_success: False,
  message: Login Error, 超過本應用程式連線限制==>[10]
  data: None
}

Action	Per-second limit
Order placement	50
Batch order placement	10
Account queries	5

When the rate limit is exceeded, the following message is returned:

Result {
  is_success: False,
  message: Login Error, 業務系統流量控管
  data: None
}

Daily login limit

Action	Daily limit
Login	1,000

This limit applies to both securities and futures. Once the limit is exceeded, you cannot log in again for the rest of the day. Access is restored automatically the next day.