# 市场深度数据

**1. 接口调用：**

 `https://{host}/marketApi/depth`

**2. 请求参数实例**

| 参数        | 是否必须 | 说明                 |
| --------- | ---- | ------------------ |
| channelId | 是    | 渠道id               |
| timestamp | 是    | 毫秒时间戳（UTC+8）       |
| sign      | 是    | 签名                 |
| tradePair | 是    | 交易对                |
| depth     | 是    | 深度聚合，取值1,2,3,4,5,6 |

3.请求参数示例

```
 {
     "channelId":"swft-channel",
     "sign":"102027D292DD0707E0D899459D91C759858D7367D223CB239A8EC3A90C30B122",
     "timestamp":"1557653925555",
     "tradePair":"BTC/USDT",
     "depth":"1"
 }
```

4.返回结果示例

```
 {
    "data":{
        "buyOrders":[
            [
                "10395.67",
                "0.006137"
            ],
            [
                "10393.50",
                "4.741722"
            ]
        ],
        "sellOrders":[
            [
                "10392.33",
                "0.097679"
            ],
            [
                "10392.39",
                "1.593146"
            ]
        ],
        "latestPrice":"10392.33",
        "latestType":"buy"
    },
    "resCode":"800",
    "resMsg":"成功"
}
```

5.返回参数说明

| 字段名称   | 是否数组 | 字段          | 数据类型   | 数据长度 | 必须项 | 备注           |
| ------ | ---- | ----------- | ------ | ---- | --- | ------------ |
| 当前买单   | Y    | buyOrders   | Array  | -    | Y   | eg: array    |
| 当前卖单   | Y    | sellOrders  | Array  | -    | Y   | eg: array    |
| 最新价格   | N    | latestPrice | String | 20   | Y   | eg: 10392.33 |
| 最新交易类型 | N    | latestType  | String | 20   | Y   | eg: sell/buy |


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