PHP code example of truelayer / client

1. Go to this page and download the library: Download truelayer/client library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

truelayer / client example snippets


$client = \TrueLayer\Client::configure()
    ->clientId($clientId)
    ->clientSecret($clientSecret)
    ->keyId($kid)
    ->pemFile($pemFilePath) // Or ->pem($contents) Or ->pemBase64($contents)
    ->create();

$client = \TrueLayer\Client::configure()
    ...
    ->useProduction() // optionally, pass a boolean flag to toggle between production/sandbox mode.
    ->create(); 

$client = \TrueLayer\Client::configure()
    ...
    ->scopes('foo', 'bar')
    ->create(); 

$client = \TrueLayer\Client::configure()
    ...
    ->httpClient($myPSR18Client)
    ->create(); 

$client = \TrueLayer\Client::configure()
    ...
    ->cache($cacheImplementation, $encryptionKey)
    ->create();

$client->beneficiary()->fill($beneficiaryData);
$client->user()->fill($userData);
$client->payment()->fill($paymentData);
// etc...

$paymentData = $client->getPayment($paymentId)->toArray(); 

// If the merchant account id is known:
$beneficiary = $client->beneficiary()->merchantAccount()
    ->merchantAccountId('a2dcee6d-7a00-414d-a1e6-8a2b23169e00');

// Alternatively you can retrieve merchant accounts and use one of them directly:
$merchantAccounts = $client->getMerchantAccounts();

// Select the merchant account you need...
$merchantAccount = $merchantAccounts[0];

$beneficiary = $client->beneficiary()->merchantAccount($merchantAccount);

$remitterVerification = $client
    ->remitterVerification()
    ->automated()
    ->remitterName(true)
    ->remitterDateOfBirth(true);

$beneficiary = $client->beneficiary()
    ->merchantAccount()
    ->merchantAccountId('a2dcee6d-7a00-414d-a1e6-8a2b23169e00')
    ->verification($remitterVerification);

$beneficiary = $client->beneficiary()->externalAccount()
    ->reference('Transaction reference')
    ->accountHolderName('John Doe')
    ->accountIdentifier(
        $client->accountIdentifier()->sortCodeAccountNumber()
            ->sortCode('010203')
            ->accountNumber('12345678')
    );

$beneficiary = $client->beneficiary()->externalAccount()
    ->reference('Transaction reference')
    ->accountHolderName('John Doe')
    ->accountIdentifier(
        $client->accountIdentifier()->iban()
            ->iban('GB53CLRB04066200002723')
    );

use TrueLayer\Constants\UserPoliticalExposures;

$user = $client->user()
    ->name('Jane Doe')
    ->phone('+44123456789')
    ->email('[email protected]')
    ->dateOfBirth('2024-01-01');

// You can also set the user's political exposure field if you need to
$user->politicalExposure(UserPoliticalExposures::CURRENT);

$address = $client->user()
    ->address()
    ->addressLine1('The Gilbert')
    ->addressLine2('City of')
    ->city('London')
    ->state('London')
    ->zip('EC2A 1PX')
    ->countryCode('GB');

$paymentMethod = $client->paymentMethod()->bankTransfer()
    ->beneficiary($beneficiary);

use TrueLayer\Constants\Countries;
use TrueLayer\Constants\CustomerSegments;
use TrueLayer\Constants\ReleaseChannels;

// You can filter the providers that will be returned:
$filter = $client->providerFilter()
    ->countries([Countries::GB, Countries::ES])
    ->customerSegments([CustomerSegments::RETAIL, CustomerSegments::CORPORATE])
    ->releaseChannel(ReleaseChannels::PRIVATE_BETA)
    ->excludesProviderIds(['provider-id'])

// You can also filter providers by the schemes they support:
$schemeSelection = $client->schemeSelection()->userSelected(); // Let the user select. You must provide your own UI for this.
$schemeSelection = $client->schemeSelection()->instantOnly(); // Only allow providers that support instant payments
$schemeSelection = $client->schemeSelection()->instantPreferred(); // Prefer providers that allow instant payments, but allow defaulting back to non-instant payments if unavailable.

// For instant only and instant preferred, you can also allow or disallow remitter fees:
$schemeSelection->allowRemitterFee(true); // Unless explicitly set, this will default to false.

// Create the provider selection configuration
$providerSelection = $client->providerSelection()->userSelected()
    ->filter($filter)
    ->schemeSelection($schemeSelection);

// Create the payment method
$paymentMethod = $client->paymentMethod()->bankTransfer()
    ->providerSelection($providerSelection);

// Preselect the payment scheme
$schemeSelection = $client->schemeSelection()
    ->preselected()
    ->schemeId('faster_payments_service');

// Preselect the provider
$providerSelection = $client->providerSelection()
    ->preselected()
    ->providerId('mock-payments-gb-redirect')
    ->schemeSelection($schemeSelection);

// Create the payment method
$paymentMethod = $client->paymentMethod()->bankTransfer()
    ->providerSelection($providerSelection);

$paymentMethod = $client->paymentMethod()->bankTransfer()
    ->enablePaymentRetry()
    ->beneficiary($beneficiary);

$payment = $client->payment()
    ->user($user)
    ->amountInMinor(1)
    ->currency(\TrueLayer\Constants\Currencies::GBP) // You can use other currencies defined in this class.
    ->paymentMethod($paymentMethod)
    ->create();

$payment->getId(); // The payment id
$payment->getResourceToken(); // The resource token 
$payment->getDetails(); // Get the payment details, same as $client->getPayment($paymentId)
$payment->hostedPaymentsPage(); // Get the Hosted Payments Page helper, see below.
$payment->toArray(); // Convert to array

$paymentData = [
    'amount_in_minor' => 1,
    'currency' => Currencies::GBP,
    'payment_method' => [
        'type' => PaymentMethods::BANK_TRANSFER,
        'beneficiary' => [
            'account_identifier' => [
                'account_number' => '12345678',
                'sort_code' => '010203',
                'type' => 'sort_code_account_number',
            ],
            'reference' => 'Transaction reference',
            'account_holder_name' => 'John Doe',
            'type' => 'external_account',
        ],
        'provider_selection' => [
            'type' => PaymentMethods::PROVIDER_TYPE_USER_SELECTION,
            'filter' => [
                'countries' => [
                    Countries::GB,
                ],
                'release_channel' => ReleaseChannels::PRIVATE_BETA,
                'customer_segments' => [
                    CustomerSegments::RETAIL,
                ],
                'provider_ids' => [
                    'mock-payments-gb-redirect',
                ],
                'excludes' => [
                    'provider_ids' => [],
                ],
            ],
        ],
    ],
];

$payment = $client->payment()->fill($paymentData)->create();

$url = $client->payment()
    ...
    ->create()
    ->hostedPaymentsPage()
    ->returnUri('http://www.mymerchantwebsite.com')
    ->primaryColour('#000000')
    ->secondaryColour('#e53935')
    ->tertiaryColour('#32329f')
    ->toUrl();

$payment = $client->getPayment($paymentId);
$payment->getId();
$payment->getUserId();
$payment->getAmountInMinor();
$payment->getCreatedAt(); 
$payment->getCurrency();
$payment->getPaymentMethod();
$payment->toArray();

use TrueLayer\Interfaces\PaymentMethod\BankTransferPaymentMethodInterface;
use TrueLayer\Interfaces\Beneficiary\ExternalAccountBeneficiaryInterface;
use TrueLayer\Interfaces\Beneficiary\MerchantBeneficiaryInterface;

$method = $client->getPayment($paymentId)->getPaymentMethod();

if ($method instanceof BankTransferPaymentMethodInterface) {
    $providerSelection = $method->getProviderSelection();
    $beneficiary = $method->getBeneficiary();
    $beneficiary->getAccountHolderName();
    
    if ($beneficiary instanceof ExternalAccountBeneficiaryInterface) {
        $beneficiary->getReference();
        $beneficiary->getAccountIdentifier(); // See account identifiers documentation
    }
    
    if ($beneficiary instanceof MerchantBeneficiaryInterface) {
        $beneficiary->getReference();
        $beneficiary->getMerchantAccountId();
    }
}

$payment = $client->getPayment($paymentId);
$payment->isAuthorizationRequired();
$payment->isAuthorizing();
$payment->isAuthorized(); // Will also return false when the payment has progressed to executed, failed or settled states.
$payment->isExecuted(); // Will also return false when the payment has progressed to failed or settled states.
$payment->isSettled(); 
$payment->isFailed(); // Payment has failed
$payment->isAttemptFailed(); // Payment attempt has failed, only available if payment retries are enabled.

$payment = $client->getPayment($paymentId);
$payment->getStatus() === \TrueLayer\Constants\PaymentStatus::AUTHORIZATION_REQUIRED;

use TrueLayer\Interfaces\Payment\PaymentAuthorizationRequiredInterface;

if ($payment instanceof PaymentAuthorizationRequiredInterface) {
    // Your logic here, you would normally start the authorization process.
}

use TrueLayer\Interfaces\Payment\PaymentAuthorizingInterface;

if ($payment instanceof PaymentAuthorizingInterface) {
    $payment->getAuthorizationFlowConfig(); // see authorization flow config
    
    // Will return a \TrueLayer\Interfaces\Payment\AuthorizationFlow\Action\ActionInterface
    $payment->getAuthorizationFlowNextAction(); 
}

use TrueLayer\Interfaces\Payment\AuthorizationFlow\Action\ProviderSelectionActionInterface;

$nextAction = $payment->getAuthorizationFlowNextAction();

if ($nextAction instanceof ProviderSelectionActionInterface) {
    foreach ($nextAction->getProviders() as $provider) {
        $provider->getId();
        $provider->getDisplayName();
        $provider->getCountryCode();
        $provider->getLogoUri();
        $provider->getIconUri();
        $provider->getBgColor();       
    }
}


use TrueLayer\Interfaces\Payment\AuthorizationFlow\Action\RedirectActionInterface;

$nextAction = $payment->getAuthorizationFlowNextAction();

if ($nextAction instanceof RedirectActionInterface) {
    $nextAction->getUri(); // The URL the end user must be redirected to
    $nextAction->getProvider(); // The provider object, see available methods above.
}

use TrueLayer\Interfaces\Payment\AuthorizationFlow\Action\WaitActionInterface;

$nextAction = $payment->getAuthorizationFlowNextAction();

if ($nextAction instanceof WaitActionInterface) {
    // your logic here   
}

use TrueLayer\Interfaces\Payment\PaymentAuthorizedInterface;

if ($payment instanceof PaymentAuthorizedInterface) {
    $payment->getAuthorizationFlowConfig(); // see authorization flow config
}

use TrueLayer\Interfaces\Payment\PaymentExecutedInterface;

if ($payment instanceof PaymentExecutedInterface) {
    $payment->getExecutedAt(); // The date and time the payment was executed at
    $payment->getAuthorizationFlowConfig(); // See authorization flow config
}

use TrueLayer\Interfaces\Payment\PaymentSettledInterface;

if ($payment instanceof PaymentSettledInterface) {
    $payment->getExecutedAt(); // The date and time the payment was executed at
    $payment->getSettledAt(); // The date and time the payment was settled at
    $payment->getAuthorizationFlowConfig(); // See authorization flow config
    $payment->getSourceOfFunds(); // See source of funds
}

use TrueLayer\Interfaces\Payment\PaymentFailedInterface;

if ($payment instanceof PaymentFailedInterface) {
    $payment->getFailedAt(); // The date and time the payment failed at
    $payment->getFailureStage(); // The status the payment was when it failed, one of `authorization_

use TrueLayer\Interfaces\Payment\PaymentAttemptFailedInterface;

if ($payment instanceof PaymentAttemptFailedInterface) {
    $payment->getFailedAt(); // The date and time the payment failed at
    $payment->getFailureStage(); // The status the payment was when it failed, one of `authorization_

use TrueLayer\Interfaces\Payment\PaymentExecutedInterface;

if ($payment instanceof PaymentExecutedInterface) {
    $config = $payment->getAuthorizationFlowConfig(); 
    $config->isRedirectSupported() // Is redirect supported or not
    $config->getRedirectReturnUri(); // The URL the user will be redirected back once the flow on the third-party's website is completed
    $config->isProviderSelectionSupported(); // Is provider selection supported or not
}

use TrueLayer\Interfaces\Payment\PaymentExecutedInterface;
use TrueLayer\Interfaces\Payment\PaymentSettledInterface;
use TrueLayer\Interfaces\SchemeIdentifier\ScanDetailsInterface;
use TrueLayer\Interfaces\SchemeIdentifier\IbanDetailsInterface;
use TrueLayer\Interfaces\SchemeIdentifier\BbanDetailsInterface;
use TrueLayer\Interfaces\SchemeIdentifier\NrbDetailsInterface;

if ($payment instanceof PaymentExecutedInterface || $payment instanceof PaymentSettledInterface) {
    $paymentSource = $payment->getPaymentSource();
    $paymentSource->getAccountHolderName(); // The unique ID for the external account
    $paymentSource->getId(); 
    $paymentSource->toArray();
        
    foreach ($paymentSource->getAccountIdentifiers() as $accountIdentifier) {
       // See 'Account identifiers' for available methods.
    }
}

use TrueLayer\Constants\FormInputTypes;

$payment = $client->payment()->create();

// If you are planning to start the authorization flow manually then hand over to the HPP:
$payment->authorizationFlow()
    ->returnUri($myReturnUri)
    ->useHPPCapabilities()
    ->start();

// If you are planning to build a fully custom UI, you need to manually specify which features your UI is able to support:
$payment->authorizationFlow()
    ->returnUri($myReturnUri)
    ->enableProviderSelection() // Can the UI render a provider selection screen?
    ->enableSchemeSelection() // Can the UI render a scheme selection screen?
    ->enableUserAccountSelection() // Can the UI render a user account selection screen?
    ->formInputTypes([FormInputTypes::TEXT, FormInputTypes::TEXT_WITH_IMAGE, FormInputTypes::SELECT]) // Can the UI render form inputs for the end user to interact with? Which input types can it handle?
    ->start();

$client->submitPaymentProvider($payment, $provider);

use TrueLayer\Interfaces\Payment\RefundRetrievedInterface;
use TrueLayer\Interfaces\Payment\RefundExecutedInterface;
use TrueLayer\Interfaces\Payment\RefundFailedInterface;

// Create and get the refund id
$refundId = $client->refund()
    ->payment($paymentId) // Payment ID, PaymentRetrievedInterface or PaymentCreatedInterface
    ->amountInMinor(1)
    ->reference('My reference')
    ->create()
    ->getId();
    
// Get a refund's details
$refund = $client->getRefund($paymentId, $refundId);

// Common refund methods
$refund->getId();
$refund->getAmountInMinor();
$refund->getCurrency();
$refund->getReference();
$refund->getStatus();
$refund->getCreatedAt();
$refund->isPending();
$refund->isAuthorized();
$refund->isExecuted();
$refund->isFailed();

// Executed refunds
if ($refund instanceof RefundExecutedInterface) {
    $refund->getExecutedAt();
}

// Failed refunds
if ($refund instanceof RefundFailedInterface) {
    $refund->getFailureReason();
    $refund->getFailedAt();
}

// Get all refunds for a payment
$refunds = $client->getRefunds($paymentId); // RefundRetrievedInterface[]

use TrueLayer\Interfaces\Payment\PaymentSettledInterface;

if ($payment instanceof PaymentSettledInterface) {
    // Create a refund
    $refundId = $payment->refund()
        ->amountInMinor(1)
        ->reference('My reference')
        ->create()
        ->getId();
        
    // Get a refund's details
    $payment->getRefund($refundId)
    
    // Get all refunds
    $payment->getRefunds();
}

$accountIdentifier = $client->accountIdentifier()
    ->iban()
    ->iban('GB29NWBK60161331926819');

$beneficiary = $client->payoutBeneficiary()->externalAccount()
    ->accountHolderName('John Doe')
    ->reference('My reference')
    ->accountIdentifier($accountIdentifier);

$payout = $client->payout()
    ->amountInMinor(1)
    ->beneficiary($beneficiary)
    ->currency(\TrueLayer\Constants\Currencies::GBP)
    ->merchantAccountId($merchantAccount->getId())
    ->create();

$payout->getId();

$beneficiary = $client->payoutBeneficiary()->paymentSource()
    ->paymentSourceId($paymentSourceId)
    ->reference('My reference')
    ->userId($user->getId());

$payout = $client->payout()
    ->amountInMinor(1)
    ->beneficiary($beneficiary)
    ->currency(\TrueLayer\Constants\Currencies::GBP)
    ->merchantAccountId($merchantAccount->getId())
    ->create();

$payout->getId();

$beneficiary = $client->payoutBeneficiary()
    ->businessAccount()
    ->reference('My reference');

$payout = $client->payout()
    ->amountInMinor(1)
    ->beneficiary($beneficiary)
    ->currency(\TrueLayer\Constants\Currencies::GBP)
    ->merchantAccountId($merchantAccount->getId())
    ->create();

$payout->getId();

use TrueLayer\Interfaces\Payout\PayoutRetrievedInterface;
use TrueLayer\Interfaces\Payout\PayoutPendingInterface;
use TrueLayer\Interfaces\Payout\PayoutAuthorizedInterface;
use TrueLayer\Interfaces\Payout\PayoutExecutedInterface;
use TrueLayer\Interfaces\Payout\PayoutFailedInterface;
use TrueLayer\Constants\PayoutStatus;

$payout = $client->getPayout($payoutId);

// All payout statuses implement this common interface
if ($payout instanceof PayoutRetrievedInterface) {
    $payout->getId();
    $payout->getCurrency();
    $payout->getAmountInMinor();
    $payout->getMerchantAccountId();
    $payout->getStatus(); 
    $payout->getBeneficiary();
    $payout->getCreatedAt();
}

// Pending payouts
if ($payout instanceof PayoutPendingInterface) {
    $payout->getStatus(); //PayoutStatus::PENDING
}

// Authorized payouts
if ($payout instanceof PayoutAuthorizedInterface) {
    $payout->getStatus(); //PayoutStatus::AUTHORIZED
}

// Executed payouts
if ($payout instanceof PayoutExecutedInterface) {
    $payout->getStatus(); //PayoutStatus::EXECUTED
    $payout->getExecutedAt();
}

// Failed payouts
if ($payout instanceof PayoutFailedInterface) {
    $payout->getStatus() // PayoutStatus::FAILED
    $payout->getFailedAt();
    $payout->getFailureReason();
}

$merchantAccounts = $client->getMerchantAccounts(); // MerchantAccountInterface[]

$merchantAccount = $client->getMerchantAccount('a2dcee6d-7a00-414d-a1e6-8a2b23169e00');

$merchantAccount->getAccountHolderName();
$merchantAccount->getAvailableBalanceInMinor();
$merchantAccount->getCurrentBalanceInMinor();
$merchantAccount->getCurrency();
$merchantAccount->getId();

foreach ($merchantAccount->getAccountIdentifiers() as $accountIdentifier) {
    // See 'Account identifiers' for available methods.
}

$webhook = $client->webhook();

$webhook = \TrueLayer\Webhook::configure()
    ->httpClient($httpClient)
    ->cache($cacheImplementation, $encryptionKey)  // optional, but recommeded. See Caching
    ->useProduction($useProduction) // bool
    ->create();

use TrueLayer\Interfaces\Webhook;

$client->webhook()
    ->handler(function (Webhook\EventInterface $event) {
        // Do something on any event
    })
    ->handler(function (Webhook\PaymentEventInterface $event) {
        // Do something on any payment event
    })
    ->handler(function (Webhook\PaymentExecutedEventInterface $event) {
        // Do something on payment executed event only
    })
    ->execute();

use TrueLayer\Interfaces\Webhook;

class LogEvents
{
    public function __invoke(Webhook\EventInterface $event)
    {
        // Log event
    }
}

class UpdateOrderStatus
{
    public function __invoke(Webhook\PaymentExecutedEventInterface $event)
    {
        // Update your order when the payment is executed
    }
}

// You can use ->handler()...
$client->webhook()
    ->handler(LogEvents::class)
    ->handler(UpdateOrderStatus::class)
    ->execute();

// Or you can use ->handlers()...
$client->webhook()
    ->handlers(
        LogEvents::class,
        UpdateOrderStatus::class
    )
    ->execute();

// If you need to, you can also provide instances:
$client->webhook()
    ->handlers(
        new LogEvents(),
        new UpdateOrderStatus()
    )
    ->execute();


use TrueLayer\Interfaces\Webhook;

$client->webhook()
    ->handler(function (Webhook\EventInterface $event) {
        // handle any incoming event
        $event->getEventId();
        $event->getEventVersion();
        $event->getSignature();
        $event->getTimestamp();
        $event->getType();
        $event->getBody();
    })
    ->handler(function (Webhook\PaymentEventInterface $event) {
        // handle any payment event
        $event->getPaymentId();
        
        $paymentMethod = $event->getPaymentMethod();
        $paymentMethod->getType();
        
        if ($paymentMethod instanceof Webhook\PaymentMethod\BankTransferPaymentMethodInterface) {
            $paymentMethod->getProviderId();
            $paymentMethod->getSchemeId();
        }      
       
       if ($paymentMethod instanceof Webhook\PaymentMethod\MandatePaymentMethodInterface) {
            $paymentMethod->getMandateId();
       }
    })
    ->handler(function (Webhook\PaymentExecutedEventInterface $event) {
        // handle payment executed
        // Inherits from PaymentEventInterface so provides same methods plus:
        $event->getExecutedAt();
        $event->getSettlementRiskCategory();
    })
    ->handler(function (Webhook\PaymentSettledEventInterface $event) {
        // handle payment settled
        // Inherits from PaymentEventInterface so provides same methods plus:
        $event->getSettledAt();
        $event->getSettlementRiskCategory();
        
        $paymentSource = $event->getPaymentSource();
        $paymentSource->getId();
        $paymentSource->getAccountHolderName();
        $paymentSource->getAccountIdentifiers(); // See Account Identifiers
    })
    ->handler(function (Webhook\PaymentFailedEventInterface $event) {
        // handle payment failed
        // Inherits from PaymentEventInterface so provides same methods plus:
        $event->getFailedAt();
        $event->getFailureReason();
        $event->getFailureStage();
    })
    ->handler(function (Webhook\RefundEventInterface $event) {
        // handle any refund event
        $event->getPaymentId();
        $event->getRefundId();
    })
    ->handler(function (Webhook\RefundExecutedEventInterface $event) {
        // handle refund executed
        // Inherits from RefundEventInterface so provides same methods plus:
        $event->getExecutedAt();
    })
    ->handler(function (Webhook\RefundFailedEventInterface $event) {
        // handle refund failed
        // Inherits from RefundEventInterface so provides same methods plus:
        $event->getFailedAt();
        $event->getFailureReason();
    })
    ->handler(function (Webhook\PayoutEventInterface $event) {
        // handle any payout event
        $event->getPayoutId();
        $beneficiary = $event->getBeneficiary();
        $beneficiary->getType();
        
        if ($beneficiary instanceof Webhook\Beneficiary\BusinessAccountBeneficiaryInterface) {
            $beneficiary->getType();
        }
        
        if ($beneficiary instanceof Webhook\Beneficiary\PaymentSourceBeneficiaryInterface) {
            $beneficiary->getPaymentSourceId();
            $beneficiary->getUserId();
        }
    })
    ->handler(function (Webhook\PayoutExecutedEventInterface $event) {
        // handle payout executed
        // Inherits from PayoutEventInterface so provides same methods plus:
        $event->getExecutedAt();
    })
    ->handler(function (Webhook\PayoutFailedEventInterface $event) {
        // handle payout failed
        // Inherits from PayoutEventInterface so provides same methods plus:
        $event->getFailedAt();
        $event->getFailureReason();
    })
    ->execute();

    $client->webhook()
        ->handlers(...)
        ->path('/my/custom/path')
        ->headers($headers) // flat key-value array
        ->body($body) // the raw request body string
        ->execute();

$accountIdentifier->getType();
$accountIdentifier->toArray();

use TrueLayer\Interfaces\AccountIdentifier\ScanDetailsInterface;
use TrueLayer\Interfaces\AccountIdentifier\IbanDetailsInterface;
use TrueLayer\Interfaces\AccountIdentifier\NrbDetailsInterface;
use TrueLayer\Interfaces\AccountIdentifier\BbanDetailsInterface;

if ($accountIdentifier instanceof ScanDetailsInterface) {
    $accountIdentifier->getAccountNumber();
    $accountIdentifier->getSortCode();
}

if ($accountIdentifier instanceof IbanDetailsInterface) {
    $accountIdentifier->getIban();
}

if ($accountIdentifier instanceof NrbDetailsInterface) {
    $accountIdentifier->getNrb();
}

if ($accountIdentifier instanceof BbanDetailsInterface) {
    $accountIdentifier->getBban();
}

// Create a RequestOptionsInterface instance and set your custom idempotency key
$requestOptions = $client->requestOptions()->idempotencyKey('my-custom-idempotency-key');

// Creating a payment with a custom idempotency key
$client->payment()
    ->paymentMethod($method)
    ->amountInMinor(10)
    ->currency('GBP')
    ->user($user)
    ->requestOptions($requestOptions) 
    ->create();

// Creating a refund with a custom idempotency key
$client->refund()
    ->payment($paymentId)
    ->amountInMinor(1)
    ->reference('My reference')
    ->requestOptions($requestOptions) 
    ->create();

// Creating a payout with a custom idempotency key
$client->payout()
    ->amountInMinor(1)
    ->currency(Currencies::GBP)
    ->merchantAccountId($accountId)
    ->beneficiary($payoutBeneficiary)
    ->requestOptions($requestOptions) 
    ->create();

$responseData = $client->getApiClient()->request()->uri('/merchant-accounts')->get();

$responseData = $client->getApiClient()->request()
    ->uri('/payments')
    ->payload($myData)
    ->header('My Header', 'value')
    ->post();

Psr\Http\Client\ClientExceptionInterface

\TrueLayer\Exceptions\ApiResponseUnsuccessfulException

$e->getErrors(); // Get the errors provided by the API, as an array
$e->getStatusCode(); // The response status code
$e->getType(); // The error type, as a link to the TrueLayer docs
$e->getDetail(); // A description of the error message
$e->getTraceId(); // The TrueLayer error trace id

\TrueLayer\Exceptions\ApiRequestJsonSerializationException

\TrueLayer\Exceptions\InvalidArgumentException

\TrueLayer\Exceptions\SignerException

\TrueLayer\Exceptions\EncryptException

\TrueLayer\Exceptions\DecryptException

\TrueLayer\Exceptions\TLPublicKeysNotFound

\TrueLayer\Exceptions\WebhookHandlerException

\TrueLayer\Exceptions\WebhookHandlerInvalidArgumentException

\TrueLayer\Exceptions\WebhookVerificationFailedException