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Elavon Financial Services DAC. Registered in Ireland – Number 418442.
Registered Office: Block F1, Cherrywood Business Park, Dublin 18, D18 W2X7, Ireland.
Elavon Financial Services DAC, trading as Elavon Merchant Services, is regulated by the Central Bank of Ireland.
 
Elavon Financial Services DAC. Registered in Ireland with Companies Registration Office. The liability of the member is limited. United Kingdom branch registered in England and Wales under the number BR022122.
Elavon Financial Services DAC, trading as Elavon Merchant Services, is a credit institution authorised and regulated by the Central Bank of Ireland.  Authorised by the Prudential Regulation Authority.  Subject to regulation by the Financial Conduct Authority and limited regulation by the Prudential Regulation Authority.  Details about the extent of our regulation by the Prudential Regulation Authority are available from us on request.

Commerce SDK for Windows is supported on most x64/x86 environments that are capable of running Oracle's Java virtual machine (JVM).

Integrating a payment terminal (card reader) and/or receipt printer solely requires the available USB ports or TCP/IP Ethernet for connectivity.


## Requirements

Being a software development kit (SDK), Commerce SDK's processes and functionality run within the integration application. As such, the following system requirements apply for the application or framework in which Commerce SDK will be integrated:

- Windows environment supporting Oracle JVM 11 (32-bit only)
- Internet access for connectivity to the payment gateway
- USB port access, at least one for the card reader and/or receipt printer
- As an alternate for the USB port, TCP/IP Ethernet access for the card reader

## Payment terminal and printer drivers installation

To install the payment terminal drivers, run `IngenicoUSBDrivers_3.30_setup.exe` and accept all the installation defaults.

To install the printer drivers, extract the files from `StarMicronicsUsbDrivers.zip` and run the `dp_instfile` that is appropriate to your Windows environment.

## Commerce SDK sample application

The Commerce SDK sample application package (`commerce-windows-sampleapp-x.y.z-release.zip`) includes the following items:

- Java source code used to compile the sample application and serves as a fully functional reference
- Pre-compiled Commerce SDK libraries and the required 3rd party dependencies
- Pre-compiled sample application executable
- Developer documentation

The development environment required to build the Commerce SDK Sample Application includes the following items:

- Java JDK 11 or later (32-bit only)

 Commerce SDK binaries are compiled for Java 11.

- IDE (integrated development environment)

 Intellij works nicely as Commerce SDK includes Gradle scripts.

- Gradle 6.8.1

For your convenience, the Windows sample application has been pre-compiled and is included in the getting started package. For more information on how to run the pre-compiled sample application JAR, refer to the `commerce-sampleapp.bat` file.

The Commerce SDK sample application package contains the following directories:

- `libs` - Core Commerce SDK libraries and required 3rd party libraries (all the JAR files except for `desktop-gui-0.1.0.jar` are requirements for building the sample application)
- `nativeLibs` - Native libraries for card reader communication, printer communication and lower-level Commerce SDK functionality
- `src` - Source code for Commerce SDK sample application

:::::notice{note}

To pre-configure the sample application to load your Converge credentials, modify the `desktop.properties` file. These credentials can also be modified from within the sample application through **Settings | Credentials**.

Using **Microsoft Surface Pro** to build the sample application may result in the JVM rendering the font and other GUI elements too small for high-resolution screens. If this happens, navigate to the Windows Display Settings and reduce the screen resolution to about 1024 x 768.
:::::


To import and build the sample application project (Gradle project), complete these steps:

1. Extract the sample application project to a directory.
2. Use the `build.gradle` file to import the sample application project into the IDE.
3. You may need the following information to compile, build and run the sample application:
 - **Main class:** `com.elavon.sample.desktopgui.CommerceSampleApplication`
 - **Virtual machine options:**
 - `-Djava.library.path=.\nativeLibs`
 - `-classpath ".\libs\*";.`
 - **Virtual machine:** Must be running a 32-bit JVM

## Integrate Commerce SDK with Windows application

These Commerce SDK libraries (stored in the `libs` directory) are pre-compiled for application integration:

- `commerce-core-obfuscated-release.jar`
- `commerce-datatypes-java-obfuscated-release`
- `commerce-converge-obfuscated-release.jar`
- `commerce-desktop-converge-obfuscated-release.jar`

In addition to the Commerce SDK libraries, there are some required 3rd party dependencies that are pulled automatically when the Gradle build file is to be used.

To integrate Commerce SDK with a new or existing payment application, complete these steps:

1. Initialize the Library and Gateway account.

 In addition to loading the Commerce SDK libraries, initialize and load the payment gateway account.

 ```java
 ECCError error = ECLCommerceDesktop.initialize();
 if (error != null)
 {
 return error; // Ensure no errors when initializing Commerce SDK
 }
 ```

2. Implement the `ECLConvergeAccountListener` interface.

 The `ECLConvergeAccountListener` interface defines the methods where specific properties can be overridden for a gateway account. Depending on the backend server application needs to communicate to, implement the `ECLConvergeAccountListener` interface or the `ECLCreditCallAccountListener` interface.

 ```java
 public class CommerceAccountListener implements ECLConvergeAccountListener
 {
 @Override
 public Context getApplicationContext()
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public ECCSensitiveData getMerchantId(ECLAccountInterface eclAccountInterface)
 {
 // returns your Converge account's merchant ID
 }

 @Override
 public ECCSensitiveData getUserId(ECLAccountInterface eclAccountInterface)
 {
 // returns your Converge account's user ID
 }

 @Override
 public ECCSensitiveData getPin(ECLAccountInterface eclAccountInterface)
 {
 // returns your Converge account's PIN
 }

 @Override
 public ECCSensitiveData getPartnerAppId(ECLAccountInterface eclAccountInterface)
 {
 // returns your Converge account's partner app ID if you have one
 // this is optional and can be null
 }

 @Override
 public ECCSensitiveData getVendorId(ECLAccountInterface eclAccountInterface)
 {
 // returns your vendor ID
 }

 @Override
 public ECCSensitiveData getVendorAppName(ECLAccountInterface eclAccountInterface)
 {
 // returns your application name
 }

 @Override
 public ECCSensitiveData getVendorAppVersion(ECLAccountInterface eclAccountInterface)
 {
 // returns your application version
 }

 @Override
 public ECLProxyInfo getProxyInfo()
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public ECLPersistentSettingsInterface getPersistentSettings()
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void accountDidInitialize(ECLAccountInterface account)
 {
 ```

 Once the account is initialized, you can override certain properties associated with it, like terminal language or US common debit preferences. You also have the chance to setup listeners for different events associated with the account, like get notifications when a key update occurs.


 ```java
 account.setUpdateKeysListener(new ECLUpdateKeysListener()
 {
 @Override
 public void updateKeysFailed(ECCError eccError)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void updateKeysCompleted()
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void updateKeysProgress(ECLTransactionProgress eclTransactionProgress)
 {
 // do something - look in the sample app code for a concrete example
 }
 });

 // set up listener to be notified when a scheduled reboot is about to occur - for V4 pin pads
 account.setCardReaderDailyRebootNotificationListener(new ECLCardReaderDailyRebootNotificationListener()
 {
 @Override
 public void cardReaderWillPerformDailyReboot(long millisUntilReboot)
 {
 // do something - look in the sample app code for a concrete example
 }
 });
 ```


 The language used for transaction can be overridden. This applies to RBA pinpads only and will have no effect for other pinpads. This is completely optional. If not used, a possibly server supplied language preference info is going to be used. You can specify a pair of (language, country) to determine the language to be used on pinpad during a transaction. If the pair you supplied is not supported, the return value will indicate the language Commerce SDK chose to use. This is determined to be the closest match to what you specified. Currently, Commerce SDK supports English in US and English and French in Canada.


 ```java
 ECLLanguageInformation desiredLanguage = ...;
 ECLLanguageInformation finalValue = account.overrideDefaultTerminalLanguage(desiredLanguage);

 ```

 You can override the Commerce SDK setting for the debit network preference in the US. This applies to US RBA pinpads only and will have no effect for other pinpads. This is completely optional. If not used, a possibly server supplied value is going to be used. The possible choices are: global debit network, us common debit network or no preference at all, in which case the user will be asked to do the selection on the pinpad, if applicable. Be advised that in case of contactless transactions, the pinpad will not ask the user for a selection, but it will select the AID with the highest priority remaining after filtering them based on the setting. For example, if the choice is to use the global network and there are 2 global AIDs on the card, RBA will automatically select the one with the highest priority.

 ```java
 ECLDebitNetworkPreferences debitNetworkPreferences = ...;
 account.overrideDebitNetworkPreferences(debitNetworkPreferences);
 }

 @Override
 public void accountDidFailToInitialize(ECLAccountInterface eclAccountInterface, ECCError eccError)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void accountDefaultCurrencyDidChange(ECLAccountInterface eclAccountInterface, ECLCurrencyCode currencyCode)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public ECLServerType getServerType()
 {
 // do something - look in the sample app code for a concrete example
 }
 ```

 In 5.5, the following methods were added.

 ```java
 @Override
 public void certificateUpdateRequired(ECLCertificateInfo eclCertificateInfo)
 {
 // do something - look in the sample app code for a concrete example
 }
 
 @Override
 public ECCSensitiveDataInterface getBridgeMaintenanceSystemUsername(ECLAccountInterface eclAccountInterface)
 {
 // return the bmsUsername - each integrator will have unique BMS credentials - get them from your solution engineer
 }
 
 @Override
 public ECCSensitiveDataInterface getBridgeMaintenanceSystemPassword(ECLAccountInterface eclAccountInterface)
 {
 // return the bmsPassword - each integrator will have unique BMS credentials - get them from your solution engineer
 }
 
 @Override
 public void bridgeMaintenanceSystemFailure(ECCError eccError)
 {
 // BMS is the system used to get TMS updates. For example BMS provides updated certificates.
 //
 // WARNING WARNING WARNING
 // !!! Something went wrong when trying to communicate with BMS. !!!
 /// !!! If the failure is ECLAccountInvalidCredentials it MUST be addressed. !!!
 /// !!! Valid BMS credentials are required in order to keep certificates up to date. !!!
 /// !!! No transactions will be processed if connecting over IP without valid BMS credentials. !!!
 ///
 }
 
 @Override public void bridgeMaintenanceSystemSuccess()
 {
 // no need to do anything here
 }
 
 @Override
 public ECLProxyInfo getProxyInfo()
 {
 // do something if proxy info is needed - look in the sample app code for a concrete example
 }
 ``` 

3. Create a gateway account.

 Refer to the `CommerceAccount` class in the sample application.

 Create a Gateway Account Listener Implementation (See Converge account implementation `CommerceAccountListener` in the sample application). For more information on how to specify account information, as well as using the test environment, see class `CommerceSettings` in the sample application.

 ```java
 CommerceAccountListener commerceConvergeAccountListener = new CommerceAccountListener(this, commerceSettings);
 ```

 Load the Account Information into the Commerce SDK Instance.

 ```java
 ECLCommerce.createAccount(commerceConvergeAccountListener, new ECLDispatcher(new DesktopHandler()));
 ```

 At this point, Commerce SDK and the gateway account have been initialized and are ready to process transactions.

4. Set up a Sale or Pre-Auth transaction.

 Define the `baseTransactionAmount` (using Currency Code and Amount in minor units). For this example, the amount $19.95 is used.

 ```java
 ECLMoney baseTransactionAmount = new ECLMoney(ECLCurrencyCode.USD, 1995);
 ```

 Retrieve an Instance of `ECLCardTenderInterface` (implementation used for performing card-based operations)

 ```java
 ECLCardTenderInterface cardTenderInterface = yourInstanceOfECLAccountInterface.getTransactionProcessor().createCardTender();
 ```

 Create an Instance of `ECLCurrencyTransactionInterface` (implementation used for card-based operations where money is changing hands). For reference, a non-currency transaction is similar to a balance inquiry or loyalty program operation.

 ```java
 ECLCurrencyTransactionInterface currencyTransactionInterface = yourInstanceOfECLAccountInterface.getTransactionProcessor().createSaleTransactionWithSubtotal(baseTransactionAmount);
 ```

5. Perform a card read and process the Sale or Pre-Auth transaction.

 Refer to the `Transaction` class in the sample application.

 With the transaction information defined, the card reader can be engaged and collect the card data.

 Create an Instance of `ECLTransactionProcessingListener` (handles all callbacks and any requests for information during transaction processing).

 ```java
 ECLTransactionProcessingListener transactionListener = new ECLTransactionProcessingListener()
 {
 @Override
 public void uponSearchingDevice(ECLConnectionMethod eclConnectionMethod)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void transactionDidComplete(ECLTransactionInterface transaction, ECLTenderInterface tender,
 final ECLTransactionOutcome outcome)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void transactionDidCancel(ECLTransactionInterface transaction, ECLTenderInterface tender)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void transactionDidFail(ECLTransactionInterface transaction, ECLTenderInterface tender, List<ECCError> errors)
 {
 // do something - look in the sample app code for a concrete example
 }

 @Override
 public void shouldProvideInformation(final ECLTransactionInterface transaction, final ECLTenderInterface tender,
 final ECLTransactionRequirementsInterface transactionRequires, final ECLTenderRequirementsInterface tenderRequires)
 {
 // We need more information to process the transaction! 
 // During transaction processing, this callback may be executed one or more times for the purpose
 // of collecting more information to continue processing the transaction.
 // Look in the sample app code for a concrete example
 }

 @Override
 public void shouldSetCardReaderToUse(ECLTransactionInterface transaction, ECLTenderInterface tender,
 List<String> cardReadersReadyForUse)
 {
 // Commerce detected more than one card reader so you need to let the user choose which one from the list should be used
 // Should this scenario arise, provide a mechanism to select the appropriate card reader.
 // Look in the sample app code for a concrete example
 }

 public void transactionProgress(final ECLTransactionProgress progress, final ECLTransactionInterface transaction,
 final ECLTenderInterface tender)
 {
 // Always good to know what is happening while the transaction is processing! 
 // Use this callback to provide status information (i.e. "progress" messages)
 // Look in the sample app code for a concrete example
 }
 };
 ```

 Initiate transaction processing.

 ```java
 yourInstanceOfECLAccountInterface.getTransactionProcessor().processTransaction(currencyTransactionInterface, cardTenderInterface, transactionListener);
 ```

## Client certificate for IP communication

POS must implement `certificateUpdateRequired()`. In this method, POS should

- store the certificate files

 :::::notice{note}

 In the sample application code snippet, it is assumed that the client certificates are located in a directory named certificates relative to the working directory.
 
 :::::


- upon connecting, supply information in connection criteria (see :magic-link[Device connection criteria]{id="ip-netwrk-cnnct"})
 - supply certificate files using `setConnectionParameters()`. 
 - supply client keystore date using `setClientKeyStoreDate()`. 

POS must implement `connectWithUpdatedKeystoreInfo()`. In this method POS should

- call `ECLCardReaderInterface.connectWithUpdatedKeystoreInfo()` passing ECLConnectionParameters.

Java (Windows)

Alliance Offers

Data as a Service

Invitation to Apply

Accounts

Bank Holidays

Card Activation

Card Controls

Commercial Credit Cards

Credit Card Account Details

Credit Card Accounts Overview

Credit Card Alerts

Credit Card Application Status

Credit Card APRs

Credit Card Disputes - Coming Soon

Credit Card Payments

Credit Card Qualified Offers

Credit Card Statements

Credit Card Transactions

Data Sharing for Marketing Purposes

Digital Wallets

Make a Payment - Coming Soon

Rewards Accelerator

Rewards Automatic Redemption

Rewards: Balance Summary

Rewards Redemption - Coming Soon

Rewards Redemption Accounts

Rewards Redemptions

Rewards Transactions Earned and Redeemed

Travel Notifications

User Profile

3DSecure2

Avvance

CheckoutJs

Commerce SDK

Converge

Disputes Management

Dynamic Currency Conversion

eBoarding

Elavon Cloud Payments Interface

Elavon Payment Gateway

Fusebox

Hosted Payment Page

In Person Payments on Opayo

Leads

Lightbox payment modal

Online Payments on Opayo

Opayo

Opayo Direct

Opayo Forms

Opayo Reporting API

Opayo Server

Opayo Shared API

Payment Method Gateway

Payments Core 365

Simplify

viaconex

XML API

Access Online Transactions

Account Transfers

Account Validation

ACH Originations

Bank Information

Card as a Service

Card as a Service API

Check Payables

Core Banking API

Corporate Account Information

Corporate Credit Cards

Corporate Onboarding

Corporate Statements

Custody

Data Toolbox

Data Toolbox - Accounts

Data Toolbox - Documents

Data Toolbox - Transactions

Disbursements via Zelle®

U.S. Bank Flexible Capital Platform

Freight Payment Customer Profiles

Freight Payment Transactions

Instant Payments

Investment Accounting

Money Movement API

PaySmart

Payee Choice

Payee Token+

Personal Loans

Positive Pay

Push to Card

Receivables

Reference API

RTP® - Real-Time Payments

Tokenized Payments

Treasury Builder

U.S. Bank FBO Account

Virtual Account Reporting

Virtual Card Payments

Voyager Accounts

Voyager Cards

Voyager Drivers

Voyager Transactions

Voyager Vehicles

Wire Transfers

Elavon Commerce SDK Overview

Getting Started

Integration Methods

Commerce Web Services

Java (Android)

Objective-C (iOS)

System

Get Environment Information

Get Converge Account Information

Validate BMS Credentials

Payment Terminals

Payment Terminals Overview

Ingenico

iCMP

iPP320

iSC250

Lane 3000

Lane 5000

Link 2500

Moby 5500

RP457c

Self 4000

Card Reader Connection

Device Connection Criteria

Card Reader Configuration

Get Card Reader Information

24-Hour Reboot

On-Demand

Get Device Status

Reset Card Reader

Reboot Card Reader

Encrypted Card Read

Cancel Card Read

Prompt PIN Entry

Capture Card Data

Get Customer Input

Phone Number

Volume Control

Set Shutdown Timeout

Signature Capture

Set Time Zone on Card Reader

TMS Update Check Time Window

SSL Certificate Update Process for Card Reader

Printers

Printers Overview

Get Printer Information

Print Receipts

On Demand Print Receipt

Transaction Types

Transactions Overview

Sale

Auth Only

Auth Only Increment

Convert Auth Only to Sale

Auth Only Reversal

Void

Linked Refund

Stand Alone Refund

Debit Balance Inquiry

Post Auth Tip Adjust

Continue Transaction

Cancel Transaction

Transaction Lookup

Processing Options

Processing Options Overview

Address Verification Service

Force Sale

Gratuity

Manual Card Data Entry

Merchant Transaction Reference

Partial Approval

Token Request

Pay with Token

Retrieve CVM Signature

Invoice Number

Lane Number

OAR-PS2000 Data

Healthcare

Dynamic currency conversion

Credit Surcharge

Credit Surcharge Overview

Surcharge Property Retrieval

Token Transaction for Surcharge

Transaction Outcome Field for Surcharge

Transaction Search Result for Surcharge

Surcharge In-App

Service Fee

Service Fee Overview

Service Fee Property Retrieval

Token Transaction for Service Fee

Transaction Outcome Field for Service Fee

Transaction Search Result for Service Fee