# Submit Cancel for an Order

**1. Request Url**

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

**2. Request Param**

| Parameter name | Is it necessary | description                                                                                       |
| -------------- | --------------- | ------------------------------------------------------------------------------------------------- |
| channelId      | Y               | Channel number                                                                                    |
| timestamp      | Y               | Millisecond timestamp（UTC+8）                                                                      |
| sign           | Y               | See "[Signature Generation](https://docs-swft.en.swft.pro/generate-signature#generate-signature)" |
| orderId        | Y               | OrderId                                                                                           |

**3.Request Example**

```
 {
     "channelId":"swft-channel",
     "sign":"102027D292DD0707E0D899459D91C759858D7367D223CB239A8EC3A90C30B122",
     "timestamp":"1557653925555",
     "orderId":"fmju82Feozm"
 }
```

**4.Response Data**

```
 {
    "data":"",
    "resCode":"800",
    "resMsg":"SUCCESS"
}
```