Example Authorisations on Discover Cards

9.14 Example Authorisations on Discover Cards

This page details examples of requests and responses for authorisations on Discover Global Network cards.

Authorisation Request
Authorisation Advice (Auth Advice)

9.14.1 Authorisation Request

Below is an example of the HTTP POST body data for a Discover Global Network authorisation request.

Some key elements of this request are:

The MTID value is 0100 and the Txn_Type is A, indicating that this is an Authorisation Request.
The transaction is for £1. This is indicated by the Bill_Amt having a value of 1.0000 and the Bill_Ccy being set to 826 (for Great British Pounds).
The SendingAttemptCount field checks to show whether this is a duplicate request. This will be zero for a first attempt.

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<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<GetTransaction xmlns="http://tempuri.org/">
<Acquirer_id_DE32>00000361603</Acquirer_id_DE32>
<ActBal>0.0000</ActBal>
<Auth_Code_DE38>185405</Auth_Code_DE38>
<Avl_Bal>0.0000</Avl_Bal>
<Bill_Amt>3.0000</Bill_Amt>
<Bill_Ccy>826</Bill_Ccy>
<BlkAmt>0.0000</BlkAmt>
<Cust_Ref/>
<Fee_Rate>0.0000</Fee_Rate>
<MCC_Code>7011</MCC_Code>
<MCC_Pad>0.0000</MCC_Pad>
<Merch_ID_DE42>MERCHANT 000001</Merch_ID_DE42>
<Merch_Name_DE43>AMAZON MERCHANT\\LONDON\W2 61C 826</Merch_Name_DE43>
<POS_Data_DE22>160090103000</POS_Data_DE22>
<POS_Termnl_DE41>ECOMM001</POS_Termnl_DE41>
<POS_Time_DE12>070725</POS_Time_DE12>
<Proc_Code>000000</Proc_Code>
<Resp_Code_DE39>00</Resp_Code_DE39>
<Settle_Amt>3.0000</Settle_Amt>
<Settle_Ccy>826</Settle_Ccy>
<Token>116551735</Token>
<Trans_link>6161750095</Trans_link>
<Txn_Amt>3.0000</Txn_Amt>
<Txn_CCy>826</Txn_CCy>
<Txn_Ctry>GBR</Txn_Ctry>
<Txn_Desc>AMAZON MERCHANT\\LONDON\W2 61C 826</Txn_Desc>
<Txn_GPS_Date>2024-07-31 08:48:25.940</Txn_GPS_Date>
<TXn_ID>6161750095</TXn_ID>
<Txn_Stat_Code>A</Txn_Stat_Code>
<TXN_Time_DE07>0731074825</TXN_Time_DE07>
<Txn_Type>A</Txn_Type>
<CU_Group>SPD-CU-010</CU_Group>
<InstCode>PMT</InstCode>
<MTID>0100</MTID>
<ProductID>10051</ProductID>
<SubBIN>0</SubBIN>
<VL_Group>GPS-VL-004</VL_Group>
<Fx_Fee_Rate>0.0000</Fx_Fee_Rate>
<Expiry_Date>2410</Expiry_Date>
<GPS_POS_Capability>01000000000100000000100000000000000000000000006</GPS_POS_Capability>
<GPS_POS_Data>50V0000300000Nx000NNNNNU0UU9XXU</GPS_POS_Data>
<traceid_lifecycle>DGN-20240731-014755045402703</traceid_lifecycle>
<Merch_Name>AMAZON MERCHANT</Merch_Name>
<Merch_Street/>
<Merch_City>LONDON</Merch_City>
<Merch_Region/>
<Merch_Postcode>W2 61C</Merch_Postcode>
<Merch_Country>GBR</Merch_Country>
<POS_Date_DE13>2024-07-31</POS_Date_DE13>
<Traceid_Message>DGN-20240731-014755045402703</Traceid_Message>
<Acquirer_Country>GBR</Acquirer_Country>
<FxProviderCardholderRate>0.0</FxProviderCardholderRate>
</GetTransaction>
</s:Body>
</s:Envelope>

Authorisation Response

Below is an example of HTTP response to the above Authorisation request message.

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<?xml version="1.0" encoding="utf-8"?> 
 <s:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> 
 <s:Body> 
 <GetTransactionResponse xmlns="http://tempuri.org/"> 
 <GetTransactionResult xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> 
 <Responsestatus>00</Responsestatus> 
 <CurBalance>0</CurBalance> 
 <AvlBalance>100</AvlBalance> 
 <Acknowledgement>1</Acknowledgement> 
 <LoadAmount>50</LoadAmount> 
 <Bill_Amt_Approved>0</Bill_Amt_Approved> 
 <Update_Balance>1</Update_Balance> 
 <New_Balance_Sequence_Exthost>200</New_Balance_Sequence_Exthost> 
 <CVV2_Result>M</CVV2_Result> 
 <CurBalance_GPS_STIP>0</CurBalance_GPS_STIP> 
 <AvlBalance_GPS_STIP>100</AvlBalance_GPS_STIP> 
 </GetTransactionResult> 
 </GetTransactionResponse> 
 </s:Body> 
 </s:Envelope>

9.14.2 Authorisation Advice (Auth Advice)

Below is an example of the HTTP POST body data for an Authorisation advice message.

Some key elements of this request are:

The MTID value is 0120 and the Txn_Type is J, indicating that this is Authorisation Advice matched to an Authorisation Request.
This type of message is for EHI Mode 3 (Full Service Processing).
The Message_Source value is set to MC-STIP, indicating that Discover Global Network Stand-In processing

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<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<GetTransaction xmlns="http://tempuri.org/">
<Acquirer_id_DE32>00000361603</Acquirer_id_DE32>
<ActBal>0.0000</ActBal>
<Auth_Code_DE38>185406</Auth_Code_DE38>
<Avl_Bal>0.0000</Avl_Bal>
<Bill_Amt>3.0000</Bill_Amt>
<Bill_Ccy>826</Bill_Ccy>
<BlkAmt>0.0000</BlkAmt>
<Cust_Ref/>
<Fee_Rate>0.0000</Fee_Rate>
<MCC_Code>7011</MCC_Code>
<MCC_Pad>0.0000</MCC_Pad>
<Merch_ID_DE42>MERCHANT 000001</Merch_ID_DE42>
<Merch_Name_DE43>AMAZON MERCHANT\\LONDON\W2 61C 826</Merch_Name_DE43>
<POS_Data_DE22>160090103000</POS_Data_DE22>
<POS_Termnl_DE41>ECOMM001</POS_Termnl_DE41>
<POS_Time_DE12>070726</POS_Time_DE12>
<Proc_Code>000000</Proc_Code>
<Resp_Code_DE39>00</Resp_Code_DE39>
<Settle_Amt>3.0000</Settle_Amt>
<Settle_Ccy>826</Settle_Ccy>
<Token>116551735</Token>
<Trans_link>6161750096</Trans_link>
<Txn_Amt>3.0000</Txn_Amt>
<Txn_CCy>826</Txn_CCy>
<Txn_Ctry>GBR</Txn_Ctry>
<Txn_Desc>AMAZON MERCHANT\\LONDON\W2 61C 826</Txn_Desc>
<Txn_GPS_Date>2024-07-31 08:48:26.985</Txn_GPS_Date>
<TXn_ID>6161750096</TXn_ID>
<Txn_Stat_Code>A</Txn_Stat_Code>
<TXN_Time_DE07>0731074826</TXN_Time_DE07>
<Txn_Type>J</Txn_Type>
<CU_Group>SPD-CU-010</CU_Group>
<InstCode>PMT</InstCode>
<MTID>0120</MTID>
<ProductID>10051</ProductID>
<SubBIN>0</SubBIN>
<VL_Group>GPS-VL-004</VL_Group>
<Fx_Fee_Rate>0.0000</Fx_Fee_Rate>
<Expiry_Date>2410</Expiry_Date>
<GPS_POS_Capability>01000000000100000000100000000000000000000000006</GPS_POS_Capability>
<GPS_POS_Data>50V0000300000Nx000NNNN0U0UU9NNN</GPS_POS_Data>
<traceid_lifecycle>DGN-20240731-014755045402703</traceid_lifecycle>
<Merch_Name>AMAZON MERCHANT</Merch_Name>
<Merch_Street/>
<Merch_City>LONDON</Merch_City>
<Merch_Region/>
<Merch_Postcode>W2 61C</Merch_Postcode>
<Merch_Country>GBR</Merch_Country>
<POS_Date_DE13>2024-07-31</POS_Date_DE13>
<Traceid_Message>DGN-20240731-014755045402703</Traceid_Message>
<Acquirer_Country>GBR</Acquirer_Country>
<FxProviderCardholderRate>0.0</FxProviderCardholderRate>
</GetTransaction>
</s:Body>
</s:Envelope>

Authorisation Response (Auth Advice Response)

Below is an example of HTTP response to the above Authorisation advice message.

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<?xml version="1.0" encoding="utf-8"?> 
 <s:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> 
 <s:Body> 
 <GetTransactionResponse xmlns="http://tempuri.org/"> 
 <GetTransactionResult xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> 
 <Responsestatus>00</Responsestatus> 
 <CurBalance>0</CurBalance> 
 <AvlBalance>100</AvlBalance> 
 <Acknowledgement>1</Acknowledgement> 
 <LoadAmount>50</LoadAmount> 
 <Bill_Amt_Approved>0</Bill_Amt_Approved> 
 <Update_Balance>1</Update_Balance> 
 <New_Balance_Sequence_Exthost>200</New_Balance_Sequence_Exthost> 
 <CVV2_Result>M</CVV2_Result> 
 <CurBalance_GPS_STIP>0</CurBalance_GPS_STIP> 
 <AvlBalance_GPS_STIP>100</AvlBalance_GPS_STIP> 
 </GetTransactionResult> 
 </GetTransactionResponse> 
 </s:Body> 
 </s:Envelope>