Hyperwallet Android Core SDK

NOTE: This is a beta product available for use in your mobile app. If you are interested in using this product, please notify your Relationship Manager and / or Project Manager to support you during the integration process.

Welcome to Hyperwallet's Android Core SDK. This library will help you create transfer methods in your Android app, such as bank account, PayPal account, etc.

Note that this SDK is geared towards those who only require back end data, which means you will have to build your own UI.

We also provide an out-of-the-box Hyperwallet Android UI SDK for you if you decide not to build your own UI.

Prerequisites

A Hyperwallet merchant account
Set Up your server to manage the user's authentication process on the Hyperwallet platform
An Android IDE
Android version >= 21

Installation

To install Hyperwallet Core SDK, you just need to add the dependency into your build.gradle file in Android Studio (or Gradle). For example:

api 'com.hyperwallet.android:core-sdk:1.0.0-beta12'

Proguard

When enabling Proguard, please add a rule in proguard-rules.pro file in your main app

-keep public class com.hyperwallet.android.** { *; }

Initialization

After you're done installing the SDK, you need to initialize an instance in order to utilize core SDK functions. Also you need to provide a HyperwalletAuthenticationTokenProvider object to retrieve an authentication token.

// initialize core SDK
Hyperwallet.getInstance(hyperwalletAuthenticationTokenProvider)

// use core SDK functions
Hyperwallet.getDefault().createBankAccount(bankAccount, listener);

Authentication

First of all, your server side should be able to send a POST request to Hyperwallet endpoint via Basic Authentication to retrieve an authentication token. For example:

curl -X "POST" "https://localhost:8181/rest/v3/users/{user-token}/authentication-token" \
-u userName:password \
-H "Content-type: application/json" \
-H "Accept: application/json"

Then, you need to provide a class (an authentication provider) which implements HyperwalletAuthenticationTokenProvider to retrieve an authentication token from your server.

public class TestAuthenticationProvider implements HyperwalletAuthenticationTokenProvider {

    public static final MediaType JSON
            = MediaType.get("application/json; charset=utf-8");
    private static final String mBaseUrl = "https://your/server/to/retrieve/authenticationToken";

    @Override
    public void retrieveAuthenticationToken(final HyperwalletAuthenticationTokenListener listener) {

        OkHttpClient client = new OkHttpClient();

        String payload = "{}";
        RequestBody body = RequestBody.create(JSON, payload);
        Request request = new Request.Builder()
                .url(baseUrl)
                .post(body)
                .build();

        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                listener.onFailure(UUID.randomUUID(), e.getMessage());
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                listener.onSuccess(response.body().string());
            }
        });
    }
}

Usage

The functions in core SDK are available to use once the authentication is done.

Get User

Hyperwallet.getDefault().getUser(mListener);
// onSuccess: response (User) will contain information about the current user
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

result.getFirstName();
result.getLastName();

Create PayPal Account

final PayPalAccount payPalAccount = new PayPalAccount.Builder()
        .transferMethodCountry("US")
        .transferMethodCurrency("USD")
        .email("[email protected]")
        .build();
Hyperwallet.getDefault().createPayPalAccount(payPalAccount, listener);
// onSuccess: response (PayPalAccount) payload will contain information about the PayPal created
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Get PayPal Account

Hyperwallet.getDefault().getPayPalAccount("trm-12345", listener);
// onSuccess: response (PayPalAccount) will contain information about the inputted PayPal account or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Update PayPal Account

final PayPalAccount payPalAccount = new PayPalAccount.Builder()
        .token("trm-12345")
        .email("[email protected]")
        .build();
Hyperwallet.getDefault().updatePayPalAccount(payPalAccount, listener);
// onSuccess: response (PayPalAccount) will contain information about the updated PayPal account
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

// Note: the transfer method token must be set as part of the code PayPalAccount object passed in

Deactivate PayPal Account

Hyperwallet.getDefault().deactivatePayPalAccount("trm-12345", "deactivate PayPal account", listener);
// onSuccess: response (StatusTransition) will contain information about the status transition
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List PayPal Account

PayPalAccountQueryParam payPalAccountQueryParam = new PayPalAccountQueryParam.Builder()
        .status(ACTIVATED)
        .sortByCreatedOnAsc()
        .build();
Hyperwallet.getDefault().listPayPalAccounts(payPalAccountQueryParam, listener);
// onSuccess: response (PageList<PayPalAccount>) will contain a PageList of PayPalAccount or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Create Venmo Account

final VenmoAccount venmoAccount = new VenmoAccount.Builder()
         .transferMethodCountry("US")
         .transferMethodCurrency("USD")
         .accountId("9876543210")
         .build();

Hyperwallet.getDefault().createVenmoAccount(venmoAccount, listener);
// onSuccess: response (VenmoAccount in this case) will contain information about the user’s Venmo account
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Get Venmo Account

Hyperwallet.getDefault().getVenmoAccount("trm-fake-token", listener);
// onSuccess: response (VenmoAccount in this case) will contain information about the user’s Venmo account or null if not exist.
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Update Venmo Account

final VenmoAccount venmoAccount = new VenmoAccount
         .Builder()
         .accountId("9876543211")
         .token("trm-fake-token")
         .build();

Hyperwallet.getDefault().updateVenmoAccount(venmoAccount, mListener);
// onSuccess: response (VenmoAccount in this case) will contain information about the user’s Venmo account
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure of Venmo account updating

Deactivate Venmo Account

Hyperwallet.getDefault().deactivateVenmoAccount("trm-fake-token", "deactivate Venmo account", mListener);
// onSuccess: response (StatusTransition in this case) will contain information about the status transition
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure of Venmo account deactivation

List Venmo Account

VenmoAccountQueryParam queryParam = new VenmoAccountQueryParam.Builder().status(ACTIVATED).build();
Hyperwallet.getDefault().listVenmoAccounts(queryParam, mListener);
// onSuccess: response (PageList<VenmoAccount>) will contain a PageList of VenmoAccount or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Create Paper Check

final PaperCheck paperCheck = new PaperCheck.Builder()
         .transferMethodCountry("US")
         .transferMethodCurrency("USD")
         .build();

Hyperwallet.getDefault().createPaperCheck(paperCheck, listener);
// onSuccess: response (PaperCheck in this case) will contain information about the Paper Check created
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Get Paper Check

Hyperwallet.getDefault().getPaperCheck("trm-fake-token", listener);
// onSuccess: response (PaperCheck in this case) will contain information about the user’s Paper Check or null if not exist.
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Update Paper Check

 final PaperCheck paperCheck = new PaperCheck
                .Builder()
                .token("trm-fake-token")
                .shippingMethod("EXPEDITED")
                .build();

Hyperwallet.getDefault().updatePaperCheck(paperCheck, listener);
// onSuccess: response (PaperCheck in this case) will contain information about the user’s PaperCheck
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure of PaperCheck updating

Deactivate Paper Check

Hyperwallet.getDefault().deactivatePaperCheck("trm-fake-token", "deactivate Paper Check", listener);
// onSuccess: response (StatusTransition in this case) will contain information about the status transition
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure of Paper Check deactivation

List Paper Check

PaperCheckQueryParam queryParam = new PaperCheckQueryParam.Builder()
                .status(ACTIVATED)
                .build();
Hyperwallet.getDefault().listPaperChecks(queryParam, listener);
// onSuccess: response (PageList<PaperCheck>) will contain a PageList of PaperCheck or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Create Bank Account

final BankAccount bankAccount = new BankAccount.Builder()
        .transferMethodCountry("US")
        .transferMethodCurrency("USD")
        .bankAccountId("12345")
        .branchId("123456")
        .bankAccountPurpose(BankAccount.Purpose.CHECKING)
        .build();
Hyperwallet.getDefault().createBankAccount(bankAccount, listener);
// onSuccess: response (BankAccount) payload will contain information about the account created
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Get Bank Account

Hyperwallet.getDefault().getBankAccount("trm-12345", listener);
// onSuccess: response (BankAccount) will contain information about the inputted bank account or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Update Bank Account

final BankAccount updatedBankAccount = new BankAccount.Builder()
        .token("trm-12345")
        .bankAccountId("67890")
        .build();
Hyperwallet.getDefault().updateBankAccount(updatedBankAccount, listener);
// onSuccess: response (BankAccount) will contain information about the updated Bank Account
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

// Note: the transfer method token must be set as part of the BankAccount object passed in

Deactivate Bank Account

Hyperwallet.getDefault().deactivateBankAccount("trm-12345", "deactivate bank account", listener);
// onSuccess: response (StatusTransition) will contain information about the status transition
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Bank Account

BankAccountQueryParam bankAccountQueryParam = new BankAccountQueryParam.Builder()
                .status(ACTIVATED)
                .sortByCreatedOnAsc()
                .build();
Hyperwallet.getDefault().listBankAccounts(bankAccountQueryParam, listener);
// onSuccess: response (PageList<BankAccount>) will contain a PageList of BankAccount or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Create Bank Card

final BankCard bankCard = new BankCard.Builder()
        .transferMethodCountry("US")
        .transferMethodCurrency("USD")
        .cardNumber("1234123412341234")
        .dateOfExpiry("2022-12")
        .cvv("123")
        .build();
Hyperwallet.getDefault().createBankCard(bankCard, listener);
// onSuccess: response (BankCard) payload will contain information about the Bank Card created
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Get Bank Card

Hyperwallet.getDefault().getBankCard("trm-12345", listener);
// onSuccess: response (BankCard) will contain information about the inputted bank card or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Update Bank Card

final BankCard updatedBankCard = new BankCard.Builder()
        .token("trm-12345")
        .dateOfExpiry("2023-12")
        .build();
Hyperwallet.getDefault().updateBankCard(updatedBankCard, listener);
// onSuccess: response (BankCard) will contain information about the updated Bank Card
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

// Note: the transfer method token must be set as part of the BankCard object passed in

Deactivate Bank Card

Hyperwallet.getDefault().deactivateBankCard("trm-12345", "deactivate bank card", listener);
// onSuccess: response (StatusTransition) will contain information about the status transition
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Bank Card

BankCardQueryParam bankCardQueryParam = new BankCardQueryParam.Builder()
        .status(ACTIVATED)
        .sortByCreatedOnAsc()
        .build();
Hyperwallet.getDefault().listBankCards(bankCardQueryParam, listener);
// onSuccess: response (PageList<BankCard>) will contain a PageList of BankCard or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Prepaid Card

PrepaidCardQueryParam prepaidCardQueryParam = new PrepaidCardQueryParam.Builder()
        .status(ACTIVATED)
        .sortByCreatedOnAsc()
        .build();
Hyperwallet.getDefault().listPrepaidCards(prepaidCardQueryParam, listener);
// onSuccess: response (PageList<PrepaidCard>) will contain a PageList of PrepaidCard or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Prepaid Card Receipts

Calendar calendar = Calendar.getInstance();
calendar.set(2019, 1, 1, 0, 0, 0);
calendar.set(Calendar.MILLISECOND, 0);

ReceiptQueryParam receiptQueryParam = new ReceiptQueryParam.Builder()
        .createdAfter(calendar.getTime())
        .limit(100)
        .sortByCreatedOnDesc()
        .build();
Hyperwallet.getDefault().listPrepaidCardReceipts("trm-12345", receiptQueryParam), listener);
// onSuccess: response (PageList<Receipt>) will contain a PageList of Receipts or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List User Receipts

Calendar calendar = Calendar.getInstance();
calendar.set(2019, 1, 1, 0,0,0);
calendar.set(Calendar.MILLISECOND, 0);

ReceiptQueryParam receiptQueryParam = new ReceiptQueryParam.Builder()
        .createdAfter(calendar.getTime())
        .limit(100)
        .sortByCreatedOnDesc()
        .build();
Hyperwallet.getDefault().listUserReceipts(receiptQueryParam, listener);
// onSuccess: response (PageList<Receipt>) will contain a PageList of Receipts or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Transfer Methods

TransferMethodQueryParam transferMethodQueryParam = new TransferMethodQueryParam.Builder()
        .status(ACTIVATED)
        .limit(100)
        .sortByCreatedOnDesc()
        .build();
Hyperwallet.getDefault().listTransferMethods(transferMethodQueryParam, listener);
// onSuccess: response (PageList<TransferMethod>) will contain a PageList of Transfer Methods or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Balances

BalanceQueryParam balanceQueryParam = new BalanceQueryParam.Builder()
        .currency("USD")
        .sortByCurrencyAsc()
        .build();
Hyperwallet.getDefault().listUserBalances(balanceQueryParam, listener);
// onSuccess: response (PageList<Balance>) will contain a PageList of Balance or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Prepaid Card Balances

PrepaidCardBalanceQueryParam prepaidCardBalanceQueryParam = new PrepaidCardBalanceQueryParam.Builder()
        .sortByCurrencyAsc()
        .build();
Hyperwallet.getDefault().listPrepaidCardBalances("trm-12345", prepaidCardBalanceQueryParam, listener);
// onSuccess: response (PageList<Balance>) will contain a PageList of Balance or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Create Transfer

final Transfer transfer = new Transfer.Builder()
        .clientTransferID("1234567890123")
        .sourceToken("usr-4321")
        .destinationToken("trm-246")
        .sourceAmount("100")
        .sourceCurrency("CAD")
        .destinationAmount("62.29")
        .destinationCurrency("USD")
        .memo("TransferClientId56387")
        .notes("Partial-Balance Transfer")
        .build();
Hyperwallet.getDefault().createTransfer(transfer, listener);
// onSuccess: response (Transfer) payload will contain information about the Transfer created
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Schedule Transfer

Hyperwallet.getDefault().scheduleTransfer("trf-123456", "schedule transfer notes", listener);
// onSuccess: response (StatusTransition) will contain a StatusTransition of the transfer or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Get Transfer

Hyperwallet.getDefault().getTransfer("trf-123456", listener);
// onSuccess: response (Transfer) will contain information about the inputted transfer or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

List Transfers

TransferQueryParam transferQueryParam = new TransferQueryParam.Builder()
        .limit(100)
        .build();
Hyperwallet.getDefault().listTransfers(transferQueryParam, listener);
// onSuccess: response (PageList<Transfer>) will contain a PageList of Transfers or null if not exists
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

Transfer Method Configurations

Get countries, currencies

TransferMethodConfigurationKeysQuery query = new TransferMethodConfigurationKeysQuery();
Hyperwallet.getDefault().retrieveTransferMethodConfigurationKeys(query, listener);
// onSuccess: response (TransferMethodConfigurationKey)
//         will contain a dataset of available Transfer Method Configurations for the program
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

// Get Countries/Country
Set<Country> countrySet = result.getCountries();
Country firstCountry = countrySet.iterator().next();

// Get currencies based on first country
Set<Currency> currencySet =  result.getCurrencies(firstCountry.getCode());
Currency firstCurrency = currencySet.iterator().next();

Get transfer method types, fees and processing times for Country and Currency

TransferMethodTypesFeeAndProcessingTimesQuery query = new TransferMethodTypesFeeAndProcessingTimesQuery("US", "USD");
Hyperwallet.getDefault().retrieveTransferMethodTypesFeesAndProcessingTimes(query, listener);
// onSuccess: response (TransferMethodConfigurationKey)
//         will contain a dataset of available Transfer Method Configurations for the program
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure


// Get Transfer Method Types for Country/Currency combination
Set<TransferMethodType> transferMethodTypeSet =
        result.getTransferMethodType(firstCountry.getCode(), firstCurrency.getCode());

Get fields for a transfer method type

TransferMethodConfigurationFieldQuery fieldQuery = new TransferMethodConfigurationFieldQuery(
        "US", "USD", TransferMethod.TransferMethodTypes.BANK_ACCOUNT, "INDIVIDUAL");
Hyperwallet.getDefault().retrieveTransferMethodConfigurationFields(fieldQuery, listener);
// onSuccess: response (TransferMethodConfigurationFieldResult)
//         will contain a dataset of available Transfer Method Configuration Fields for the specified query
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

result.getFees();
result.getProcessingTime();
result.getFields();
result.getFields().getTransferMethodType();

Update fields for a transfer method type

TransferMethodUpdateConfigurationFieldQuery fieldQuery = new TransferMethodUpdateConfigurationFieldQuery(
        "trmToken");
Hyperwallet.getDefault().retrieveTransferMethodUpdateConfigurationFields(fieldQuery, listener);
// onSuccess: response (TransferMethodUpdateConfigurationFieldResult)
//         will contain a dataset of available Transfer Method Configuration Fields for the specified query
// onFailure: error (ErrorType) will contain Errors containing information about what caused the failure

result.getFields();

License

The Hyperwallet Android Core SDK is open source and available under the MIT license.

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