Payment Request API
Last updated
Last updated
The response message contains all the required parameters to activate the client’s WeChat Wallet.
通过WeChat SDK jar包调起WeChat Wallet支付, 需要用 appId, partnerId, prepayId, packageValue, timestamp, nonceStr, timestamp and Sign参数。其中Sign需要用WeChat Pay的sign creation logic 产生,示例如下:
To activate WeChat Wallet through WeChat SDK jar package needs following parameters: appId, partnerId, prepayId, packageValue, timestamp, nonceStr, timestamp and Sign. The Sign needs the WeChat Pay’s sign creation logic to generate, for example:
Please note: IWXAP, PayReq are java class defined by WeChat SDK.
Data in Call back data in encrypted, refer to appendix A for decryption.
Call-Back Message Data
Call-Back Message Example(JSON Data):
Data Example(JSON Data, after decrypted):
Call back data中的 data是加密过的数据,参考appendix A进行解密处理。
Please reference our Android demo code for details.
Params Name
Description
Required
Notes
userId
APP ID registered in WeChat https://open.weixin.qq.com
Y
e.g. wxcbb0a73d2d5a8888
amount
Transaction amount in cent
Y
String, "100" for 1.00 dollar
bizType
Business type
Y
WECHATPAY
merchant_id
Merchant ID in OTT PAY
Y
Provided by OTTPay
operator_id
Operator ID from OTT PAY
Y
Provided by OTTPay
order_id
you own order id
N
string, your own order id
call_back_url
Call back URL
Y
Call back data from OTT Pay, shown in the payment completion page
Params Name
Description
Required
Notes
appId
APP ID registered https://open.weixin.qq.com
required by WeChat Pay
Y
wxcbb0a73d2d5a8888
bizType
Business type
Y
WECHATPAY
nonceStr
Random string
required by WeChat Pay
Y
Random string
package_
String, required by WeChat Pay, must be “Sign=WXPay”
Y
Sign=WXPay
partnerId
PartnerId required by WeChat Pay
Y
XXXXXXXXXXX
paySign
Sign Key in OTT Pay request
N
DBC7B6ED46BE81E927CAA1922A83BE91
prepayId
prepayId obtained from WeChat Pay associated with the current transaction, required by WeChat Pay
Y
wx22014816274706c6ad56f2412344704275
reAmount
Available refund amount for this transaction
N
String, "100" for 1.00 dollar
timeStamp
Time Stamp required by WeChat Pay
Y
2018112112
tradeNo
Transaction Id for OTT Pay
N
1542822494862703
wxapikey
API key, required by WeChat Pay
Y
XXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Params Name
Description
Required
Notes
rsp_code
Response code
Y
Refer to Appendix B
rsp_msg
Response message
Y
merchant_id
Merchant ID
Y
Merchant ID
finish_time
Payment time
Y
YYYYMMDDHHMMSS (Beijing time)
order_id
Order ID
Y
amount
Transaction amount
Y
String, "100" for 1.00 dollar
md5
Message Digest
Y
Params Name
Description
Required
Notes
finish_time
Payment time
Y
YYYYMMDDHHMMSS (Beijing time)
order_id
Order ID
Y
amount
Transaction amount
Y
String, "100" for 1.00 dollar
tip
Tip Amount
N
String, "100" for 1.00 dollar
bizpay_order_id
order id from Acquirer
Y
Returned by the Payment Service Provider (e.g. WeChat Pay, Alipay)
merchant_id
Merchant ID
Y
Provided by OTT Pay