Merchant Present Mode (MPM)

MPM API Request

Endpoint : /trade/v1/payment

Method : POST

PayType :

PayType	Description
800101	Alipay Merchant Presented QR Code Payment in store (MPM) (Overseas Merchants)
801501	Alipay Merchant Presented QR Code (MPM) Payment (HK Merchants)
800201	WeChat Merchant Presented QR Code Payment (MPM) (Overseas & HK Merchants)
805801	PayMe Merchant Presented QR Code Payment in store (MPM) (HK Merchants)
800701	UNIONPAY Quick Pass Merchant Presented QR Code Payment (MPM)
802001	FPS Merchant Presented QR Code Payment (MPM) (HK Merchants)
803701	Octopus dynamic QRC Payment - Merchant Present Mode (MPM) (HK Merchants)

Description : The merchant generates a dynamic QR code based on the Alipay / WeChat Pay protocol and presents it to the customer. The user opens their Alipay / WeChat Pay wallet and scans the displayed QRC in order to complete payment. This szenario applies to offline as well as online payments, for instance on websites.

Request Header:

{
  Content-Type: application/x-www-form-urlencoded; 
  charset=UTF-8,
  Content-Length: 218,
  Chunked: false, 
  X-QF-APPCODE: A6A49A66B4C********94EA95032,
  X-QF-SIGN: 3b020a6349646684ebeeb0ec2cd3d1fb
}

Request Body:

{
  expired_time=10&goods_name=qfpay&limit_pay=no_credit&mchid=R1zQrTdJnn&out_trade_no=Native20190722145741431794b8d1&pay_type=800201&txamt=20&txcurrcd=HKD&txdtm=2019-07-22 14:57:42&udid=AA
}

Python
Java
Javascript
Php

#coding=utf8
import urllib.request, urllib.parse, urllib.error, urllib.request, urllib.error, urllib.parse, hashlib
import requests
from hashids import Hashids
import datetime
import string
import random

# Enter Client Credentials
environment = 'https://test-openapi-hk.qfapi.com'
app_code = 'FADB8A87E0674012979F5443AA81ECF1'
client_key = 'F644B1389AD24C25BEFE8BE10C31C878'


# Create parameter values for data payload
current_time = datetime.datetime.now().replace(microsecond=0)                                
random_string = ''.join(random.choices(string.ascii_uppercase + string.digits, k=32))

print(current_time)

# Create signature
def make_req_sign(data, key):
    keys = list(data.keys())
    keys.sort()
    p = []
    for k in keys: 
        v = data[k]
        p.append('%s=%s'%(k,v))
    unsign_str = ('&'.join(p) + key).encode("utf-8")
    print(unsign_str)
    s = hashlib.md5(unsign_str).hexdigest()
    return s.upper()

# Body payload
txamt = '1' #In USD,EUR,etc. Cent
txcurrcd = 'HKD'
pay_type = '800101' # Alipay MPM = 800101, WeChat Pay MPM = 800201
#auth_code = '287255838063025836' # CPM only
out_trade_no = random_string
txdtm = current_time
goods_name = 'Food'   
mchid = 'lkbqahlRYj' #Hashids("qfpay").encode(2546286, 2532824) #(Agent ID, Merchant ID)
key = client_key
notify_url = 'https://xxx.com/notify/success'

#data = {'txamt': txamt, 'txcurrcd': txcurrcd, 'auth_code': auth_code, 'pay_type': pay_type, 'out_trade_no': out_trade_no, 'txdtm': txdtm, 'goods_name': goods_name, 'udid': udid, 'mchid': mchid}
data = {'txamt': txamt, 'txcurrcd': txcurrcd, 'pay_type': pay_type, 'out_trade_no': out_trade_no, 'txdtm': txdtm}

r = requests.post(environment+"/trade/v1/payment",data=data,headers={'X-QF-APPCODE':app_code,'X-QF-SIGN':make_req_sign(data, key)})

print(r.json())

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;


public class TestMain {
    public static void main(String args[]){
        String appcode="D5589D2A1F2E42A9A60C37*********";
        String key="0E32A59A8B454940A2FF39*********";
        String mchid="ZaMVg*****";

        String pay_type="800101";
        String out_trade_no= "01234567890123";
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String date=df.format(new Date());
        String txdtm=date;
        String txamt="10";
        String txcurrcd="EUR";

        Map<String, String> unsortMap = new HashMap<>();
        unsortMap.put("mchid", mchid);
        unsortMap.put("pay_type", pay_type);
        unsortMap.put("out_trade_no", out_trade_no);
        unsortMap.put("txdtm", txdtm);
        unsortMap.put("txamt", txamt);
        unsortMap.put("txcurrcd", txcurrcd);
        //unsortMap.put("product_name", product_name);
        //unsortMap.put("valid_time", "300");

        String data=QFPayUtils.getDataString(unsortMap);
        System.out.println("Data:\n"+data+key);
        String md5Sum=QFPayUtils.getMd5Value(data+key);
        System.out.println("Md5 Value:\n"+md5Sum);

        String url="https://test-openapi-hk.qfapi.com";
        String resp= Requests.sendPostRequest(url+"/trade/v1/payment", data, appcode,key);
        System.out.println(resp);
    }
}

// Enter Client Credentials
const environment = 'https://test-openapi-hk.qfapi.com'
const app_code = 'D5589D2A1F2E42A9A60C37*********'
const client_key = '0E32A59A8B454940A2FF39*********'

// Generate Timestamp
var dateTime = new Date().toISOString().replace(/T/, ' ').replace(/\..+/, '')
console.log(dateTime)

// Body Payload
const key = client_key
var tradenumber = String(Math.round(Math.random() * 1000000000))
console.log(tradenumber)

var payload = {
'txamt': '10', // In USD,EUR,etc. Cent
'txcurrcd': 'HKD',
'pay_type': '800101', // Alipay MPM = 800101, WeChat Pay MPM = 800201
'out_trade_no': tradenumber,
'txdtm': dateTime,
'mchid': 'ZaMVg*****'
};

// Signature Generation
const ordered = {};
Object.keys(payload).sort().forEach(function(key) {
ordered[key] = payload[key] });
console.log(ordered)

var str = [];
for (var p in ordered)
if (ordered.hasOwnProperty(p)) {
str.push((p) + "=" + (ordered[p]));
}
var string = str.join("&")+client_key;
console.log(string)

const crypto = require('crypto')
var hashed = crypto.createHash('md5').update(string).digest('hex')
console.log(hashed)


// API Request
var request = require("request");
request({
uri: environment+"/trade/v1/payment",
headers: {
    'X-QF-APPCODE': app_code,
    'X-QF-SIGN': hashed
},
method: "POST",
form: payload,
}, 
function(error, response, body) {
console.log(body);
});

<?php
ob_start();
function GetRandStr($length){
    $str='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
    $len=strlen($str)-1;
    $randstr='';
    for($i=0;$i<$length;$i++){
        $num=mt_rand(0,$len);
        $randstr .= $str[$num];
    }
return $randstr;
}

$url = 'https://test-openapi-hk.qfapi.com';
$api_type = '/trade/v1/payment';
$pay_type = '800101'; //Alipay MPM = 800101, WeChat Pay MPM = 800201
//$mchid = "MNxMp11FV35qQN"; //Only agents must provide this parameter
$app_code = 'FF2FF74F2F2E42769A4A73*********'; //API credentials are provided by QFPay
$app_key = '7BE791E0FD2E48E6926043B*********'; //API credentials are provided by QFPay
$now_time = date("Y-m-d H:i:s"); //Get current date-time

$fields_string = '';
$fields = array(
    //'mchid' => urlencode($mchid),
    'pay_type' => urlencode($pay_type),
    'out_trade_no' => urlencode(GetRandStr(20)),
    'txcurrcd' => urlencode('HKD'),
    'txamt' => urlencode(2200),
    'txdtm' => $now_time
);
ksort($fields); //Ascending dictionary sorting A-Z 
print_r($fields);

foreach($fields as $key=>$value) { 
    $fields_string .= $key.'='.$value.'&' ;
}
$fields_string = substr($fields_string , 0 , strlen($fields_string) - 1);

$sign = strtoupper(md5($fields_string . $app_key));

//// Header ////
$header = array();
$header[] = 'X-QF-APPCODE: ' . $app_code;
$header[] = 'X-QF-SIGN: ' . $sign;

//Post Data
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url . $api_type);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
$output = curl_exec($ch);
curl_close($ch);    

$final_data = json_decode($output, true);
print_r($final_data);

ob_end_flush();
?>

The above command returns JSON structured like this:

{
  "surcharge_fee": 0, 
  "qrcode": "https://qr.alipay.com/bax03190uxd47wbekffy6033", 
  "pay_type": "800101", 
  "surcharge_rate": 0, 
  "resperr": "success", 
  "txdtm": "2020-04-23 11:09:24", 
  "out_trade_no": "364ZK6BAJGYHMU3TUX0X7MGIGQL4O8KI", 
  "syssn": "20200423066200020000976054", 
  "sysdtm": "2020-04-23 11:09:27", 
  "txcurrcd": "EUR", 
  "respmsg": "", 
  "chnlsn2": "", 
  "cardcd": "", 
  "udid": "qiantai2", 
  "txamt": "1", 
  "respcd": "0000", 
  "chnlsn": ""
}

Request Parameters

Attribute	Mandatory	Type	Description
Public payment parameter	—	—	Please refer to the Public Payment Section for more details
`pay_tag`	No	String(16)	The default value is: ALIPAYHK Alipay Continental version: ALIPAYCN
`expired_time`	No (MPM only)	String(3)	QRC expiration time in unit minutes. The default expiration time is 30 minutes. The parameter can manually be adjusted to a minimum of 5 minutes, and up to a maximum of 120 minutes. Available for WeChat and Alipay
`limit_pay`	No	String	The parameter value is specified as no_credit, and credit card payment is prohibited. This setting only applies to mainland China.

Response Parameters

Attribute	Secondary Attribute	Type	Description
QR Code		String(512)
Public payment parameter	—	—	Please refer to the Public Payment Section for more details

Merchant Present Mode (MPM)

MPM API Request​

Request Parameters​

Response Parameters​

MPM API Request

Request Parameters

Response Parameters