# 计费说明

### 一、计费模式

**1.计费条件：**仅当单次请求返回 `200` 状态码时计费，**其他状态码均不计费**。

注意：搜索请求成功是指接收到成功的响应，而非取决于返回结果的数量。

### 二、状态码对照表

<table><thead><tr><th>状态码</th><th width="186">名称</th><th>说明</th><th>是否扣费</th></tr></thead><tbody><tr><td><code>200</code></td><td>Sucess</td><td>请求流程正常，成功获取搜索引擎结果页完整数据。</td><td>扣费</td></tr><tr><td><code>300</code></td><td>Not collected</td><td>由于解析失败导致未采集到有效数据</td><td>不扣费</td></tr><tr><td><code>400</code></td><td>Bad Request</td><td>传参错误</td><td>不扣费</td></tr><tr><td><code>401</code></td><td>Unauthorized</td><td>认证权限失效，需检查 token 有效性</td><td>不扣费</td></tr><tr><td><code>403</code></td><td>Forbidden</td><td>目标网站服务器拒绝执行</td><td>不扣费</td></tr><tr><td><code>404</code></td><td>Not Found</td><td>请求的资源不存在</td><td>不扣费</td></tr><tr><td><code>429</code></td><td>Too Many Requests</td><td>请求频次超过 API 预设阈值（如并发请求数或时间窗口内请求量超限）</td><td>不扣费</td></tr><tr><td><code>500</code></td><td>Internal Server Error</td><td>服务器内部错误</td><td>不扣费</td></tr><tr><td><code>504</code></td><td>Timeout Error</td><td>代理服务器等待上游服务器响应超时。</td><td>不扣费</td></tr></tbody></table>

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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://doc.thordata.com/doc/zh/pa-qu/serp-api/ji-fei-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.