3.md 8.2 KB

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