# HTTP错误码

| 错误码 | 说明                                                |
| --- | ------------------------------------------------- |
| 503 | K线查询数量超出限制                                        |
| 505 | 产品数量超出限制                                          |
| 508 | 查询的产品不存在，或已经退市                                    |
| 401 | 认证错误，API Key不正确，或者未将API Key放置在指定`header`或`query`中 |
| 404 | API接口不存在                                          |
| 429 | 请求频率限制，请求不符合您当前套餐配额                               |
| 499 | 客户端主动中断，通常发生在网络不稳定的地区，请在良好网络环境连接                  |
| 524 | 源服务器连接超时，通常发生在我们加速代理提供商到我们服务器之间不稳定导致，一般很快就能恢复     |


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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.infoway.io/getting-started/error-codes/http.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.