Direct API
This API supports Alipay and WechatPay only. Refer to Aggregate Payment Redirect API if you are looking for card payments.
Currently it supports following payment methods:
Alipay/WechatPay QR code payment on PC websites.
WechatPay official account payment.
WechatPay app payment.
Request and Response
Endpoint
https://wallet.lianlianpay.com/llwalletapi/combinepay.htmRequest Parameter
Name
Required
Type
Description
no_order
Required
String(32)
Merchant order No.
oid_partner
Required
String(18)
The unique identification assigned to the merchant. E.g. 201304121000001004
appid
Optional
String
Required for Wechat/Alipay App payment or Wechat official account payment. This field is provided by Alipay or WechatPay
busi_partner
Required
String(6)
Fixed value. Virtual products, 101001; Physical products, 109001
money_order
Required
String(12)
Merchant order amount, range: 0.01 ~ 100,000,000.00, 2 decimal places are expected, in CNY
user_id
Required
String(32)
The unique identification assigned to the user in the merchant’s system
name_user
Optional
String
The real name of payer. This param can be skipped to make an anonymous user
id_type
Optional
String(1)
0, ID card 2, Passport 3, Military Officer Certificate 4, Hong Kong-Macau laissez-passer 6, Mainland travel permit for Taiwan residents 9, Police Officer card X, other certificates
id_no
Optional
String
Only ID card is supported, the length need to be either 15 or 18. Required for Verified Payment
col_userid
Optional
String
Set the recipient as user. This parameter is for E-wallet user only, skip this param if you are not using it. col_userid can NOT be present with col_oidpartner in one request
col_oidpartner
Optional
String(18)
Set the recipient as relevant oid_partner. col_oidpartner can NOT be present with col_userid in one request
name_goods
Required
String(40)
Product name. E.g. Pen
dt_order
Required
String(14)
Merchant order date. Format: yyyyMMddHHmmss, E.g. 20170801225714
notify_url
Required
String(128)
Online url where asynchronous notification should be sent, E.g. http://www.lianlianpay.com/help/notify
return_url
Optional
String(128)
Online url, your customer will be redirected to url_return once they finished their payment
info_order
Optional
String(255)
info_order will be sent back in synchronous or asynchronous notification for parameters transmission
pay_type
Required
String
I, WechatPay QR code payment L, Alipay QR code payment Y, WechatPay APP payment W, WechatPay official account payment
risk_item
Required
String
This parameter is used for payment risk control, all required parameters should be included in the value of risk_item in json format, refer to Payment Risk
sign_type
Required
String(3)
RSA
sign
Required
String
Signature value
Response Parameter
Name
Required
Type
Description
oid_paybill
Optional
String(18)
Unique transaction No. in LianLian system. E.g. 2011030900001098
no_order
Optional
String(32)
Merchant order No.
user_id
Required
String(32)
The unique identification assigned to the user in the merchant’s system
money_order
Optional
String(12)
Merchant order amount, range: 0.01 ~ 100,000,000.00, 2 decimal places are expected, in CNY
oid_partner
Required
String(18)
The unique identification assigned to the merchant. E.g. 201304121000001004
payLoad
Optional
String
For QR code payments, a link of QR code is returned For WechatPay APP payment, a json object which is used for requesting Wechat mobile SDK later on is returned For WechatPay official account payment, a json object which is used for requesting relevant API is returned
info_order
Optional
String(255)
info_order will be sent back in synchronous or asynchronous notification for parameters transmission
pay_type
Required
String
I, WechatPay QR code payment L, Alipay QR code payment Y, WechatPay APP payment W, WechatPay official account payment
ret_msg
Required
String(100)
交易成功
sign_type
Required
String(3)
RSA
sign
Required
String
Signature value
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