> For the complete documentation index, see [llms.txt](https://docs.cn.omnibridge.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cn.omnibridge.pro/integration/batch-quote.md).

# 批量查询兑换汇率

### 接口汇率更新频率

> 批量获取兑换汇率基本信息接口，汇率更新频率为：4\~6s      

### 接口说明

目前参数限制为10个交易对

**1. 接口调用：**

```
https://{host}/api/v1/getInfo
```

**2. 请求参数示例**

| 参数              | 是否必须 | 说明                                                          |
| --------------- | ---- | ----------------------------------------------------------- |
| transactionPair | 是    | 要查询的交易对信息,币种和币种之间用"to"隔开,多个交易对之间用","隔开,例如DOGEtoBTC,BTCtoETH |

**3.请求参数示例**

```
{
    "transactionPair":"DOGEtoBTC,BTCtoETH"
}
```

**4.返回结果示例**

```
{
    "data": {
        "DOGEtoBTC": {
            "depositMax": "21458291499499.955262",
            "depositMin": "0.081593",
            "instantRate": "0.001",
            "minerFee": "164.629310344827586207",
            "receiveCoinFee": "0.02"//兑换完成发币要扣除的网络手续费0.02HT(HECO)
        },
        "BTCtoETH": {
            "depositMax": "6000000",
            "depositMin": "45041.394252",
            "instantRate": "10000",
            "minerFee": "0.001",
            "receiveCoinFee": "0.0007"//兑换完成发币要扣除的网络手续费0.0007BTC
        }
    },
    "resCode": "800",
    "resMsg": "成功",
    "resMsgEn": ""
}
```

**5.返回参数说明**

<table><thead><tr><th width="118">字段名称</th><th width="250">字段</th><th width="100">数据类型</th><th>备注</th></tr></thead><tbody><tr><td>即时汇率</td><td>instantRate</td><td>String</td><td>"精确到小数点后十位 接收货币/存入货币的汇率"</td></tr><tr><td>最低存储额 </td><td>depositMin </td><td>String </td><td>精确到小数点后六位</td></tr><tr><td>最高存储额 </td><td>depositMax </td><td>String </td><td>精确到小数点后六位</td></tr><tr><td>兑换手续费 </td><td>depositCoinFeeRate</td><td>String </td><td>精确到小数点后六位</td></tr><tr><td>发币手续费</td><td>chainFee</td><td>String</td><td>精确到小数点后六位</td></tr></tbody></table>

### **注意事项**

> 因为**去中心化兑换**，用户的手续费方式为原币，手续费固定收取存入原币的千分之三（即：存入0.1btc，实际会扣取0.0003btc作为兑换的手续费，实际兑换时，只拿0.0997btc去做兑换）

### 计算用户兑换实际到账数量

实际到账数量 = （用户存币数量 - 兑换手续费数量）\* 汇率 -  发币网络手续费

receiveCoinAmt = （depositCoinAmt - depositCoinAmt \* 兑换手续费率） *\** instantRate - receiveCoinFee


---

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