Direct API
Last updated
Last updated
This API supports Alipay and WechatPay only. Refer to 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.
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
openid
Optional
String
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)
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
shareing_data
Optional
String(1024)
sign_type
Required
String(3)
RSA
sign
Required
String
Signature value
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_code
Required
String(4)
ret_msg
Required
String(100)
交易成功
sign_type
Required
String(3)
RSA
sign
Required
String
Signature value
Required for Wechat official account payment. See
Online url where asynchronous notification should be sent, E.g.
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
Refer to
0000, Refer to