Rate Limit

EU Shared Rate Limit

For EU Site users, all Spot & Margin order placement / cancellation / modification endpoints across REST & WebSocket share a single rate limit: 20 requests per minute per IP (20/1min/IP).

The response message is:
{
"code": 1015,
"msg": "Too many requests. IP-level rate limit exceeded, please retry later."
}

Websocket Rate Limit

1. Maximum Concurrent Connections

Classic Mode:

Limit: ≤ 800 concurrent connections

Dimension: Per user ID (UID) for private (authenticated) interfaces; per IP address for public (unauthenticated) interfaces

Note: Master and sub-accounts are completely independent (different UIDs)

2. Connection Establishment Rate

Classic Mode:

Limit: 30 connections per minute

Dimension: Per connection (not aggregated by UID or IP)

3. Outgoing Messages (client to server)

Classic Mode:

Limit: 100 messages / 10 seconds

Dimension: Per connection

4. Subscription/Unsubscription Requests

Classic Mode:

Max topics per single request: 100

Dimension: Per connection

5. Total Subscribed Topics per Connection

Classic Mode:

Spot / Margin: ≤ 400 topics

6. Public Market Data Channels

Classic accounts

All rate limits are based on IP address (not UID)

EU Shared Rate Limit#

Websocket Rate Limit#

1. Maximum Concurrent Connections#

2. Connection Establishment Rate#

3. Outgoing Messages (client to server)#

4. Subscription/Unsubscription Requests#

5. Total Subscribed Topics per Connection#

6. Public Market Data Channels#

EU Shared Rate Limit

Websocket Rate Limit

1. Maximum Concurrent Connections

2. Connection Establishment Rate

3. Outgoing Messages (client to server)

4. Subscription/Unsubscription Requests

5. Total Subscribed Topics per Connection

6. Public Market Data Channels