WebSocket Limitation

WebSocket Connection Limits

Plan
Connection & Subscription Limits

Free

1 concurrent connection. Max 10 subscriptions per connection. (Total 10 unique symbols)

Basic

2 concurrent connection. Max 100 subscriptions per connection. (Total 200 unique symbols)

Premium

4 concurrent connection. Max 200 subscriptions per connection. (Total 800 unique symbols)

Pro

10 concurrent connection. Max 500 subscriptions per connection. (Total 5,000 unique symbols)

WebSocket Subscription Request Limits

  • The total number of all WebSocket subscription requests (including Candlestick, real-time ticker, and heartbeat requests) is limited to 60 requests per minute.

  • Exceeding this subscription request limit will result in the connection being disconnected.

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