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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.

Some of the card readers Commerce SDK supports do not have a display or pin pad. To support surcharge when connected to those devices, Commerce SDK will send surcharge confirmation to Integrator's POS system through API callbacks instead of sending surcharge confirmation to card reader.

The POS system can send one of the following decisions to Commerce SDK based on the customer's input:

- Accept - accept the surcharge and send the transaction for authorization
- Change Card - start a new transaction on the card reader so the customer can use a different card
- Decline - decline the surcharge and cancel the transaction

The following card readers require Surcharge In-App:

- Moby 5500
- Roam RP457c

The following documents the API changes for different platforms.

## Code Samples

### CWS

When surcharge confirmation is needed from the POS application, CWS sets property requiredInformation to "RequireSurchargeConfirmation" in the response to `getPaymentTransactionStatus`. CWS also sets property extraChargeLookupOutcome with the surcharge details.

#### Request

```json
{
 "requestId": "-23817757",
 "targetType": "paymentGatewayConverge",
 "method": "getPaymentTransactionStatus",
 "parameters": {
 "chanId": "4357f858-59e4-46e6-96f0-a2e724bbba0c",
 "paymentGatewayId": "b9d5db2a-cd04-4dfa-adf3-dbdc6ce21123"
 }
}
```

#### Response

```json
{
 "requestId": "-23817757",
 "statusDetails": "REQUEST_ACCEPTED",
 "data": {
 "paymentGatewayCommand": {
 "completed": false,
 "eventQueue": [{
 "timeStamp": "1597261733460",
 "statusDetails": "BIN_LOOKUP_COMPLETED"
 }, {
 "timeStamp": "1597261733460",
 "statusDetails": "SURCHARGE_CONFIRMATION_STARTED"
 }],
 "chanId": "4357f858-59e4-46e6-96f0-a2e724bbba0c",
 "requiredInformation" : ["RequireSurchargeConfirmation"],
 "extraChargeLookupOutcome": {
 "allowExtraCharge": true,
 "extraChargeType": "CREDIT_SURCHARGE",
 "extraChargePercent": 3.0,
 "extraChargeAmount": {
 "currencyCode": "USD",
 "amount": 60
 },
 "totalAmount": {
 "currencyCode": "USD",
 "amount": 2060
 },
 "baseAmount": {
 "currencyCode": "USD",
 "amount": 2000
 },
 "extraChargeConfirmationOption": "IN_POS"
 }
 }
 }
}
```

After getting surcharge decision from the cardholder, integrating POS system can make `continuePaymentTransaction` request with decision **Accept, Change_Card, or Decline**. If Decline is set or the field is empty, the transaction will be canceled.

#### Request

```json
{
 "requestId": "-23817756",
 "targetType": "paymentGatewayConverge",
 "method": "continuePaymentTransaction",
 "parameters": {
 "RequireSurchargeConfirmation": "Accept",
 "paymentGatewayId": "b9d5db2a-cd04-4dfa-adf3-dbdc6ce21123",
 "chanId": "4357f858-59e4-46e6-96f0-a2e724bbba0c"
 }
}
```

### Java

```java
// Method transactionRequiresExtraChargeConfirmation is introduced to abstract class ECLTransactionProcessingListener
// CSDK will ask integrating POS system to perform surcharge confirmation through this method.
@Override
public void transactionRequiresExtraChargeConfirmation(ECLTransactionInterface transaction,
 ECLTenderInterface tender,
 ECLExtraChargeLookupOutcome extraChargeLookupOutcome,
 ECLTransactionProcessingCallbackListener transactionProcessingCallbackListener)
{
 // Integrating POS system sends the surcharge decision back through interface transactionProcessingCallbackListener from the above method.
 // The first three parameters are the same ones from the above method,
 // and the last one is the decision. Allowed values for the last parameter are
 // ECLExtraChargeDecision.ACCEPT : consumer accepts surcharge,
 // ECLExtraChargeDecision.CHANGE_CARD: consumer declines the surcharge and wants to change the card for the ongoing transaction,
 // ECLExtraChargeDecision.DECLINE: consumer declines the surcharge and cancels the ongoing transaction.
 transactionProcessingCallbackListener.setExtraChargeDecision(transaction, tender, extraChargeLookupOutcome, ECLExtraChargeDecision.ACCEPT);
}
```

### Objective-C (iOS)

```objc
// Implementation of [ECLTransactionProcessingDelegate shouldProvideExtraChargeDecision:tender:extraChargeLookupOutcome:]
// CSDK will ask integrating POS system to perform surcharge confirmation through this method.
- (void)shouldProvideExtraChargeDecision:(id<ECLCurrencyTransactionProtocol>)transaction tender:(id<ECLTenderProtocol>)tender extraChargeLookupOutcome:(ECLExtraChargeLookupOutcome *)extraChargeLookupOutcome {
 // set decision to ECLExtraChargeDecisionAccept; it can also be set to ECLExtraChargeDecisionChangeCard or ECLExtraChargeDecisionDecline
 transaction.extraChargeDecision = ECLExtraChargeDecisionAccept;
 dispatch_async(dispatch_get_main_queue(), ^() {
 // use dispatch_async and call continueProcessingTransaction using your account reference (see sample app for more details)
 [[_account transactionProcessor] continueProcessingTransaction:transaction using:tender delegate:self];
 });
}
```

### C\#

```c#
// Assume a CWS object cws is created and we have a delegate MyPaymentComplete to receive transaction update.
cws.StartPaymentTransaction(bea, MyNotifyCWSEvent, MyPaymentComplete);
 
// The following code demonstrates how to handle surcharge confirmation
public void MyPaymentComplete(PaymentTransactionResults paymentResults)
{
 // get required information
 String[] req = paymentResults.GetRequiredInformation();
 if (null != req)
 {
 Dictionary<string, string> info = new Dictionary<string, string>();
 for (int i = 0; i < req.Length; i++)
 {
 if (String.Compare(req[i], "RequireSurchargeConfirmation", true) == 0)
 {
 info["RequireSurchargeConfirmation"] = "Accept"; // can also set to "Change_Card" or "Decline"
 }
 }
 
 if (info.Count != 0)
 {
 // Continue the transaction
 cws.StartContinuePaymentTransaction(m_PaymentGatewayId, chanId, info, MyNotifyCWSEvent, MyPaymentComplete);
 }
 }
}
```

Surcharge In-App

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 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

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 (Windows)

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

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

Service Fee In-App