> ## Documentation Index
> Fetch the complete documentation index at: https://docs-en.keysecure.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Second Confirmation of Eithdrawal Information

| Description: | After receiving a withdrawal request, the platform will call the secondary confirmation interface provided by the third party to confirm that the request is a withdrawal request normally initiated by the merchant. This interface only defines the interface specification, the specific interface needs to be implemented by the developer. |
| :- | - |
| Interface address: | The interface address is provided by the developer and can be configured on the platform by contacting the admin |
| Request method: | POST |

**Decrypted Request Parameters**

| Param | type | Required | Description |
| - | - | - | - |
| time | long | Required | Current timestamp |
| charset | String | Required | Coding format, no special case, transfer parameter `UTF-8` |
| version | String | Required | Interface version number, no special case,transfer parameter `v2` |
| request\_id | String | Required | Request unique identity |
| from\_uid | String | Required | Transfer out user ID |
| to\_address | String | Required | Transfer in user address |
| amount | String | Required | Withdrawal amount, including withdrawal service charge; The service charge needs to be configured in the background of the merchant |
| symbol | String | Required | Withdrawal coin |
| check\_sum | String | Required | Random check code. The third party returns this field as it is. The platform considers it successful |

\*\*Response Data Parameters \*\*

| Param | type | Required | Description |
| - | - | - | - |
| check\_sum | String | Required | Check in request parameter check\_sum |
| time | String | Optional | time stamp |

```json theme={null}
{
    "check_sum":"1234",
    "time":"12345678"
}
```


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