# 介绍

BlockSec AML API 服务提供两套主要的 API，分别为 [**地址标签查询**](/zh_cn/blocksec-fan-xi-qian-api/address-label-api.md) 和 [**风险评分查询**](/zh_cn/blocksec-fan-xi-qian-api/wallet-screening-api.md) 提供服务。

## API 概览

### 地址标签 API

<table><thead><tr><th width="133">方法</th><th>API</th></tr></thead><tbody><tr><td><code>GET</code></td><td><a href="/pages/Rg30dXr1l3wH97B0SZX7#get-supported-chains">获取支持的链</a></td></tr><tr><td><code>POST</code></td><td><a href="/pages/Rg30dXr1l3wH97B0SZX7#get-address-labels">获取地址标签</a>（以<a href="/pages/Rg30dXr1l3wH97B0SZX7#get-address-labels-in-batch">批量</a>方式）</td></tr><tr><td><code>POST</code></td><td><a href="/pages/Rg30dXr1l3wH97B0SZX7#get-entity-info">获取实体信息</a></td></tr></tbody></table>

### 风险评分 API

<table><thead><tr><th width="132">方法</th><th>API</th></tr></thead><tbody><tr><td><code>GET</code></td><td><a href="/pages/gCoH5fKTEmBvfSer7uwk#get-supported-chains">获取支持的链</a></td></tr><tr><td><code>GET</code></td><td><a href="/pages/gCoH5fKTEmBvfSer7uwk#get-risk-indicators">获取风险指标</a></td></tr><tr><td><code>POST</code></td><td><a href="/pages/gCoH5fKTEmBvfSer7uwk#get-address-compliance-risk">获取地址风险评分</a></td></tr></tbody></table>

## 速率限制

每个 API 请求的速率限制为每秒五个请求，每个订阅计划限定每日可 **查询的地址** 数量。查看我们的 [订阅页面](https://metasleuth.io/plans#apis) 以获取更多详情。

## 了解更多

[authentication.md](/zh_cn/blocksec-fan-xi-qian-api/introduction/authentication.md)

[response-format.md](/zh_cn/blocksec-fan-xi-qian-api/introduction/response-format.md)


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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.metasleuth.io/zh_cn/blocksec-fan-xi-qian-api/introduction.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.