HTML5 Integration Specification.md 11 KB

HTML5 Integration Specification V4.2.1

Shanghai AllPay Technology Co., Ltd.

  • Version:English V4.2.0
  • Update Time:April 2018

1.Overview

AllPay provides customers with unified API access to help them implement fast, secure and centralized access payment channels.

2.General API specification

Common interface between merchant server and AllPay gateway, each channel has functions including: Purchase, Refund, Inqiury interface.

3. Signature

2.1. Signature String and Calculated the Signature
1.For a POST request message sent to the ALLPAY system, in which all incoming parameters (except signature parameters) according to the field name of ASCII smallest sequence (dictionary), using the format of the URL key/value pair (key1 = value1 & key2 = value2... ) spliced into a string String1.

2.At the end of String1, the signature key K1(assigned at ALLPAY upon access) agreed by both parties is spliced directly (no need to connect with "&"), resulting in a stringSignTemp string, and an md5 operation on stringSignTemp to get the value of signature.

3.Sample signature string:acqID=99020344&backURL=https://www.baidu.com&charSet=UTF-8&frontURL=nil&goodsInfo=iPhone x&merID=800039253992510&merReserve=&orderAmount=1.00&orderCurrency=INR&orderNum=ap0180417163142&paymentSchema=EB&signType=MD5&transTime=20180417163142&transType=PURC&trxn_email_id=benson.zhang@allpayx.com&trxn_firstname=benson zhang&trxn_is_coupon_enabled=1&trxn_phone=15026528888&unique_id=abcde12345&version=VER000000002f3e0e436cd24430aa4aaaed597450f26 

2.2. General API access address
Transaction Type Test URL Production URL
Purchase https://mchapi.allpayx.com/testjspay https://mchapi.allpayx.com/jspay
Inquiry https://testapi.allpayx.com/pay/v1 https://api.allpayx.com/pay/v1
Refund https://testapi.allpayx.com/pay/v1 https://api.allpayx.com/pay/v1

3. API Interface


3.1. Purchase interface

Merchant could use purchase interface to initiate a transaction, send transaction information to payment channels through AllPay gateway.

No. Field Name Max.Length Type Parameter Name Comment
1 Message Version 12 Text version "VER000000002"
2 Character set coding 6 Text charSet "UTF-8"
3 Transaction type 4 Text transType "PURC"
4 Order Number 60 Text orderNum The merchant shall define it by itself, and the order number of the same merchant number shall not be repeated
5 Order Amount 12 Text orderAmount 100 is displayed as 100 or 100.00
6 Order Currency 3 Text orderCurrency Fill in "CNY" in RMB and "USD" in USD
7 Frontend URL Address 400 Text frontURL Payment results are notified to this address front
8 Backend URL Address 400 Text backURL Payment results are notified to this address asynchronously
9 Merchant Reserved 1024 Text merReserve Merchant reserved content, can pass any content, such as purchase information, account number, etc., but do not pass special symbols, such as commas.
10 Merchant ID 15 Text merID Merchant ID, assigned by AllPay
11 Acquirer ID 11 Text acqID "99020344"
12 Payment Channel Code 10 Text paymentSchema UnionPay:"UP",Wechat:"WX,Alipay:"APMP"
13 Goods Information 60 Text goodsInfo Goods Information
14 Transaction Time 14 Text transTime Transaction time, format :" yyymmddhhmmss"
15 Signature Type 3 Text signType MD5
16 Signature Data 32 Text signature MD5 signature
3.2. Purchase Response from AllPay
No. Field Name Max.Length Type Parameter name Comment
1 Message Version 12 Text version "VER000000002"
2 Character set coding 6 Text charSet "UTF-8"
3 Transaction type 4 Text transType "PURC"
4 Order Number 60 Text orderNum The merchant shall define it by itself, and the order number of the same merchant number shall not be repeated
5 Order Amount 12 Text orderAmount 100 is displayed as 100 or 100.00
6 Order Currency 3 Text orderCurrency Fill in "CNY" in RMB and "USD" in USD
7 Settlement Amount 12 Text settAmount 100 is displayed as 100 or 100.00
8 Settlement Currency 3 Text settCurrency Comply with ISO standards and fill in the number type
9 Settlement FX Rate 7 Text rate Real exchange rate, 7 digits
10 Merchant Reserved 1024 Text merReserve Merchant reserved content, can pass any content, such as purchase information, account number, etc., but do not pass special symbols, such as commas.
11 Gateway Transaction ID 32 Text transID The unique transaction id generated by the gateway.
12 Merchant ID 15 Text merID Merchant ID, assigned by AllPay
13 Acquirer ID 11 Text acqID "99020344"
14 Payment Channel Code 10 Text paymentSchema UnionPay:"UP",Wechat:"WX,Alipay:"APMP"
15 Response Code 2 Text RespCode 00 stands for success; 01 stands for fail.
16 Response Message 20 Text RespMsg Response message, all English characters
17 Transaction Time 14 Text transTime Transaction time, format :" yyymmddhhmmss"
18 Gateway process time 14 Text GWTime YYYYMMDDHHMMSS this should be a GWtime, currently is local transaction time
19 Signature Type 3 Text signType MD5
20 Signature Data 32 Text signature MD5 signature
3.3. Inqiury interface
  1. Interface specification

This interface provides the function of inqiury transaction for access merchants.

  1. Request message format
No. Field Name Max.Length Type Parameter name Comment
1 Message Version 12 Text version "VER000000002"
2 Character set coding 6 Text charSet "UTF-8"
3 Transaction type 4 Text transType "INQY"
4 Order Number 60 Text orderNum The merchant shall define it by itself, and the order number of the same merchant number shall not be repeated
5 Merchant Reserved 1024 Text merReserve Merchant reserved content
6 Merchant ID 15 Text merID Merchant ID, assigned by AllPay
7 Acquirer ID 11 Text acqID "99020344"
8 Payment Channel Code 10 Text paymentSchema UnionPay:"UP",Wechat:"WX,Alipay:"APMP"
9 Transaction Time 14 Text transTime Transaction time, format :" yyymmddhhmmss"
10 Signature Type 3 Text signType MD5
11 Signature Data 32 Text signature MD5 signature
  1. Response message format
No. Field Name Max.Length Type Parameter name Comment
1 Message Version 12 Text version "VER000000002"
2 Character set coding 6 Text charSet "UTF-8"
3 Transaction type 4 Text transType "INQY"
4 Order Number 60 Text orderNum The merchant shall define it by itself, and the order number of the same merchant number shall not be repeated
5 Gateway Transaction ID 32 Text transID The unique transaction id generated by the gateway.
6 Merchant ID 15 Text merID Merchant ID, assigned by AllPay
7 Acquirer ID 11 Text acqID "99020344"
8 Response Code 2 Text RespCode 00 stands for success; 01 stands for fail.
9 Response Message 20 Text RespMsg Response message, all English characters
10 Transaction Time 14 Text transTime Transaction time, format :" yyymmddhhmmss"
11 Gateway process time 14 Text GWTime YYYYMMDDHHMMSS this should be a GWtime, currently is local transaction time
12 Signature Type 3 Text signType MD5
13 Signature Data 32 Text signature MD5 signature
3.4. Refund interface

1.Interface specification

This interface provides the function of refund transaction for access merchants.

2.Request message format

No. Field Name Max.Length Type Parameter name Comment
1 Message Version 12 Text version "VER000000002"
2 Character set coding 6 Text charSet "UTF-8"
3 Transaction type 4 Text transType "REFD"
4 Order Number 60 Text orderNum The merchant shall define it by itself, and the order number of the same merchant number shall not be repeated
5 Return Amount 12 Text returnAmount 100 is displayed as 100 or 100.00
6 Order Currency 3 Text orderCurrency Fill in "CNY" in RMB and "USD" in USD
7 Merchant Reserved 1024 Text merReserve Merchant reserved content, can pass any content, such as purchase information, account number, etc., but do not pass special symbols, such as commas.
8 Merchant ID 15 Text merID Merchant ID, assigned by AllPay
9 Acquirer ID 11 Text acqID "99020344"
10 Payment Channel Code 10 Text paymentSchema UnionPay:"UP",Wechat:"WX,Alipay:"APMP"
11 Transaction Time 14 Text transTime Transaction time, format :" yyymmddhhmmss"
12 Signature Type 3 Text signType MD5
13 Signature Data 32 Text signature MD5 signature

3.Response message format

No. Field Name Max.Length Type Parameter name Comment
1 Message Version 12 Text version "VER000000002"
2 Character set coding 6 Text charSet "UTF-8"
3 Transaction type 4 Text transType "REFD"
4 Order Number 60 Text orderNum The merchant shall define it by itself, and the order number of the same merchant number shall not be repeated
5 Gateway Transaction ID 32 Text transID The unique transaction id generated by the gateway.
6 Merchant ID 15 Text merID Merchant ID, assigned by AllPay
7 Acquirer ID 11 Text acqID "99020344"
8 Response Code 2 Text RespCode 00 stands for success; 01 stands for fail.
9 Response Message 20 Text RespMsg Response message, all English characters
10 Transaction Time 14 Text transTime Transaction time, format :" yyymmddhhmmss"
11 Gateway process time 14 Text GWTime YYYYMMDDHHMMSS this should be a GWtime, currently is local transaction time
12 Signature Type 3 Text signType MD5
13 Signature Data 32 Text signature MD5 signature

4. error code

code msg
U1 Clientid not found
U2 Signature error
V1 Parameter missing
E1 Exceed the limit
R1 Orderno repeat
C1 Order currency is not set
P1 paychannel error
I1 Illegal request address
T1 Parameter missing(version或tranType)
T2 Txntype error
T3 transaction is not exist or fail
T4 The maximum amount exceeds the upper limit
99 System error

5.Technical support

If you have problems with debugging, please contact us:support@allpayx.com