> For the complete documentation index, see [llms.txt](https://useepay.gitbook.io/developer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://useepay.gitbook.io/developer/reference/api-reference-xin-yong-ka/order/authorizationvoid.md).

# 预授权撤销

## 预授权撤销

<mark style="color:green;">`POST`</mark> `BASE_URL/api`

#### Headers

| Name                                           | Type   | Description                       |
| ---------------------------------------------- | ------ | --------------------------------- |
| Content-Type<mark style="color:red;">\*</mark> | String | application/x-www-form-urlencoded |

#### Request Body

| Name                                                    | Type   | Description                 |
| ------------------------------------------------------- | ------ | --------------------------- |
| version<mark style="color:red;">\*</mark>               | String | max=5 调用的接口版本，固定为：1.0       |
| merchantNo<mark style="color:red;">\*</mark>            | String | max=16 商户号，由 USEEPAY 分配     |
| transactionId<mark style="color:red;">\*</mark>         | String | 商户订单号,唯一 (64)               |
| transactionType<mark style="color:red;">\*</mark>       | String | 交易类型：authorizationVoid (18) |
| originalTransactionId<mark style="color:red;">\*</mark> | String | 原始商户订单号 (64)                |
| notifyUrl                                               | String | 异步回调地址 （512）                |
| echoParam                                               | String | 回声参数，响应报文会原样返回 (256)        |
| signType<mark style="color:red;">\*</mark>              | String | 签名算法类型 RSA/MD5              |
| sign<mark style="color:red;">\*</mark>                  | String | 商户请求参数的签名串 (256)            |

{% tabs %}
{% tab title="200: OK " %}

```javascript
{
    // Response
}
```

{% endtab %}
{% endtabs %}