# 限制说明

对于每一个连接，目前所有接口调用限制为50次/秒 行情产品订阅，一个连接最多只能订阅100个产品的行情 K线查询，一次只能查询一个产品，一次最多只能查询1000根K线 批量K线查询，一次最多只能查询100个产品，一个产品一次最多只能查询1000根K线


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs-cn.multimarkets.org/client-api/bao-jia-jie-kou/xian-zhi-shuo-ming.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.