> For the complete documentation index, see [llms.txt](https://intella2.gitbook.io/scan2pay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://intella2.gitbook.io/scan2pay/api-specification/merchant-scan.md).

# Customer-Presented QR Code

## Request

### Header

| Item        | Mandatory | Data Type  | Sample         | Description                                                                    |
| ----------- | --------- | ---------- | -------------- | ------------------------------------------------------------------------------ |
| Method      | YES       | String(5)  | 00000          | Fill in 00000 (indefinite payment method)                                      |
| ServiceType | YES       | String     | **Micropay**   | Selected Scan2Pay Service type                                                 |
| MchId       | YES       | String     | Account0001    | Merchant ID provided by intella                                                |
| TradeKey    | YES       | String     | sha256...hash  | Marchant password provided by intella, this password must be encoded by SHA256 |
| CreateTime  | YES       | String(14) | 20180101120000 | Request time, the format is "yyyyMMddHHmmss"                                   |

### Data

| Item         | Mandatory | Data Type   | Sample            | Description                                                                              |
| ------------ | --------- | ----------- | ----------------- | ---------------------------------------------------------------------------------------- |
| StoreOrderNo | YES       | String(20)  | PO180101001       | Order number, composition shall be an alphanumeric string and no more than 20 characters |
| DeviceInfo   | YES       | String      | skb0001           | Terminal number is fixed at “skb0001”                                                    |
| Body         | YES       | String(128) | chickenchop       | Product name                                                                             |
| TotalFee     | YES       | Integer     | 75                | Positive integer. Can not be a negative value                                            |
| Detail       | NO        | String      | crispychickenchop | Order detail                                                                             |
| StoreInfo    | NO        | String      | 0001              | Store ID                                                                                 |
| Cashier      | NO        | String      | ShaomingW         | Cashier                                                                                  |
| AuthCode     | YES       | String      | 13000011423       | Authorization code obtained from the QR Code the consumer presented                      |
| StoreName    | NO        | String      | ZhongxiaoStore    | Store name                                                                               |
| StoreType    | NO        | String      | RegularChain      | Store type                                                                               |
| DeviceOS     | NO        | String      | 2                 | Device type (1:iOS / 2:Android / 3:Windows / 4:Others)                                   |

{% hint style="danger" %}
To avoid transaction failure, order number (StoreOrderNo) cannot be more than 20 characters, and must be alphabets and/or numbers, any special symbols or characters are unacceptable.
{% endhint %}

## Response

### Header

| Item         | Data Type | Sample         | Description                                                                                                                      |
| ------------ | --------- | -------------- | -------------------------------------------------------------------------------------------------------------------------------- |
| StatusCode   | String(4) | 0000           | [Transaction Status Code](https://intella2.gitbook.io/scan2pay/~/edit/drafts/-L_RhHH-JdlFCMIfEWGU/appendix/scan2pay-error-codes) |
| StatusDesc   | String    | Success        | Description of transaction status                                                                                                |
| Method       | String(5) | 10100          | Payment method code                                                                                                              |
| ServiceType  | String    | **Micropay**   | Selected Scan2Pay Service type                                                                                                   |
| MchId        | String    | Acoount0001    | Merchant ID                                                                                                                      |
| ResponseTime | String    | 20180101120000 | Transaction response time, the format is "yyyyMMddHHmmss"                                                                        |

### Data

| Item         | Data Type | Sample              | Description                                                                |
| ------------ | --------- | ------------------- | -------------------------------------------------------------------------- |
| SysOrderNo   | String    | 2018010110074205610 | System order number                                                        |
| StoreOrderNo | String    | PO180101001         | Store order number                                                         |
| TotalFee     | Integer   | 75                  | Positive integer. Can not be a negative value                              |
| AuthCode     | String    | 13000011423         | Payment authorization code, obtains from the QR Code the consumer provided |

## API Example

### Request

```
{
  "Header": {
    "Method": "00000",
    "ServiceType": "Micropay",
    "MchId": "myMchId",
    "TradeKey": "9af15b336e6a9619928537df30b2e6a2376569fcf9d7e773eccede65606529a0",
    "CreateTime": "20180715101650"
  },
  "Data": "{\"DeviceInfo\":\"skb0001\",\"StoreOrderNo\":\"PO-20180715-002\",\"Body\":\"Chicken Rice\",\"TotalFee\":\"1\",\"AuthCode\":\"3K21111111301\"}"
}
```

### Response

```
{
  "Header": {
    "StatusCode": "0000",
    "StatusDesc": "執行成功",
    "Method": "10900",
    "ServiceType": "Micropay",
    "MchId": "myMchId",
    "ResponseTime": "20180715101723"
  },
  "Data": {
    "SysOrderNo": "J006536011807150001",
    "StoreOrderNo": "PO-20180715-002",
    "TotalFee": "1",
    "AuthCode": ""
  }
}
```


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