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# Solver询价接口

**1. 接口调用，POST接口，solver提供。**

**2. 请求参数示例**

<table><thead><tr><th>参数</th><th width="104.3333740234375">是否必须</th><th>说明</th></tr></thead><tbody><tr><td>fromAmt</td><td>是</td><td>用户兑换数量</td></tr><tr><td>fromCoin</td><td>是</td><td>用户存币币种</td></tr><tr><td>toCoin</td><td>是</td><td>用户收币币种</td></tr></tbody></table>

**3.请求参数示例**

```
{
    "fromAmt":"1000000",
    "fromCoin":"USDT(BASE)",
    "toCoin":"USDT(ETH)"
}
```

**4.返回结果示例**

```
{
    "data":{
        "toAmt":"999800"
    }
}
```

[
](<https://{host}/api/v1/queryCoinList&#xD;&#xA;>)

**5.返回参数说明**

<table data-header-hidden><thead><tr><th width="149">字段名称</th><th width="184">字段</th><th width="100">数据类型</th><th width="319">备注</th></tr></thead><tbody><tr><td>收币数量</td><td>toAmt</td><td>String</td><td>用户实际收到数量</td></tr></tbody></table>