diff --git a/src/BitPaySDK/Model/Currency.php b/src/BitPaySDK/Model/Currency.php
index c82e1118..fd5ee8c5 100644
--- a/src/BitPaySDK/Model/Currency.php
+++ b/src/BitPaySDK/Model/Currency.php
@@ -217,9 +217,8 @@ class Currency
     protected ?string $alts = null;
     protected ?string $minimum = null;
     protected ?bool $sanctioned = null;
-    protected ?string $decimals = null;
-    protected array $payoutFields = [];
-    protected array $settlementMinimum = [];
+    protected ?int $decimals = null;
+    protected ?string $chain;
 
     /**
      * Currency validation
@@ -425,9 +424,9 @@ public function setSanctioned(bool $sanctioned): void
     /**
      * Gets decimal precision
      *
-     * @return string|null decimals
+     * @return int|null decimals
      */
-    public function getDecimals(): ?string
+    public function getDecimals(): ?int
     {
         return $this->decimals;
     }
@@ -435,51 +434,21 @@ public function getDecimals(): ?string
     /**
      * Sets decimal precision
      *
-     * @param string $decimals decimals
+     * @param int|null $decimals decimals
      */
-    public function setDecimals(string $decimals): void
+    public function setDecimals(?int $decimals): void
     {
         $this->decimals = $decimals;
     }
 
-    /**
-     * Gets payout fields
-     *
-     * @return array the payout fields
-     */
-    public function getPayoutFields(): array
-    {
-        return $this->payoutFields;
-    }
-
-    /**
-     * Sets payout fields
-     *
-     * @param array $payoutFields the payout fields
-     */
-    public function setPayoutFields(array $payoutFields): void
+    public function getChain(): ?string
     {
-        $this->payoutFields = $payoutFields;
+        return $this->chain;
     }
 
-    /**
-     * Gets settlement minimum
-     *
-     * @return array the settlement minimum
-     */
-    public function getSettlementMinimum(): array
-    {
-        return $this->settlementMinimum;
-    }
-
-    /**
-     * Sets settlement minimum
-     *
-     * @param array $settlementMinimum the settlement minimum
-     */
-    public function setSettlementMinimum(array $settlementMinimum): void
+    public function setChain(?string $chain): void
     {
-        $this->settlementMinimum = $settlementMinimum;
+        $this->chain = $chain;
     }
 
     /**
@@ -500,8 +469,7 @@ public function toArray(): array
             'minimum'           => $this->getMinimum(),
             'sanctioned'        => $this->getSanctioned(),
             'decimals'          => $this->getDecimals(),
-            'payoutFields'      => $this->getPayoutFields(),
-            'settlementMinimum' => $this->getSettlementMinimum(),
+            'chain'             => $this->getChain()
         ];
 
         foreach ($elements as $key => $value) {
diff --git a/src/BitPaySDK/Model/Invoice/BuyerFields.php b/src/BitPaySDK/Model/Invoice/BuyerFields.php
new file mode 100644
index 00000000..2c3d6371
--- /dev/null
+++ b/src/BitPaySDK/Model/Invoice/BuyerFields.php
@@ -0,0 +1,129 @@
+<?php
+
+/**
+ * Copyright (c) 2019 BitPay
+ **/
+
+declare(strict_types=1);
+
+namespace BitPaySDK\Model\Invoice;
+
+/**
+ * @package BitPaySDK\Model\Invoice
+ * @author BitPay Integrations <integrations@bitpay.com>
+ * @license http://www.opensource.org/licenses/mit-license.php MIT
+ * @see https://developer.bitpay.com/reference/notifications-invoices Notifications Invoices
+ */
+class BuyerFields
+{
+    protected ?string $buyerName = null;
+    protected ?string $buyerAddress1 = null;
+    protected ?string $buyerAddress2 = null;
+    protected ?string $buyerCity = null;
+    protected ?string $buyerState = null;
+    protected ?string $buyerZip = null;
+    protected ?string $buyerCountry = null;
+    protected ?string $buyerPhone = null;
+    protected ?bool $buyerNotify = null;
+    protected ?string $buyerEmail = null;
+
+    public function getBuyerName(): ?string
+    {
+        return $this->buyerName;
+    }
+
+    public function setBuyerName(?string $buyerName): void
+    {
+        $this->buyerName = $buyerName;
+    }
+
+    public function getBuyerAddress1(): ?string
+    {
+        return $this->buyerAddress1;
+    }
+
+    public function setBuyerAddress1(?string $buyerAddress1): void
+    {
+        $this->buyerAddress1 = $buyerAddress1;
+    }
+
+    public function getBuyerAddress2(): ?string
+    {
+        return $this->buyerAddress2;
+    }
+
+    public function setBuyerAddress2(?string $buyerAddress2): void
+    {
+        $this->buyerAddress2 = $buyerAddress2;
+    }
+
+    public function getBuyerCity(): ?string
+    {
+        return $this->buyerCity;
+    }
+
+    public function setBuyerCity(?string $buyerCity): void
+    {
+        $this->buyerCity = $buyerCity;
+    }
+
+    public function getBuyerState(): ?string
+    {
+        return $this->buyerState;
+    }
+
+    public function setBuyerState(?string $buyerState): void
+    {
+        $this->buyerState = $buyerState;
+    }
+
+    public function getBuyerZip(): ?string
+    {
+        return $this->buyerZip;
+    }
+
+    public function setBuyerZip(?string $buyerZip): void
+    {
+        $this->buyerZip = $buyerZip;
+    }
+
+    public function getBuyerCountry(): ?string
+    {
+        return $this->buyerCountry;
+    }
+
+    public function setBuyerCountry(?string $buyerCountry): void
+    {
+        $this->buyerCountry = $buyerCountry;
+    }
+
+    public function getBuyerPhone(): ?string
+    {
+        return $this->buyerPhone;
+    }
+
+    public function setBuyerPhone(?string $buyerPhone): void
+    {
+        $this->buyerPhone = $buyerPhone;
+    }
+
+    public function getBuyerNotify(): ?bool
+    {
+        return $this->buyerNotify;
+    }
+
+    public function setBuyerNotify(?bool $buyerNotify): void
+    {
+        $this->buyerNotify = $buyerNotify;
+    }
+
+    public function getBuyerEmail(): ?string
+    {
+        return $this->buyerEmail;
+    }
+
+    public function setBuyerEmail(?string $buyerEmail): void
+    {
+        $this->buyerEmail = $buyerEmail;
+    }
+}
diff --git a/src/BitPaySDK/Model/Invoice/Invoice.php b/src/BitPaySDK/Model/Invoice/Invoice.php
index 45f3d13e..6f4819f6 100644
--- a/src/BitPaySDK/Model/Invoice/Invoice.php
+++ b/src/BitPaySDK/Model/Invoice/Invoice.php
@@ -39,7 +39,7 @@ class Invoice
     protected ?array $paymentSubtotals = null;
     protected ?array $paymentTotals = null;
     protected ?array $paymentCodes = null;
-    protected ?float $acceptanceWindow = null;
+    protected ?int $acceptanceWindow = null;
     protected ?Buyer $buyer = null;
     protected ?array $refundAddresses = null;
     protected ?string $closeURL = null;
@@ -60,10 +60,10 @@ class Invoice
     protected ?string $status = null;
     protected ?bool $lowFeeDetected = null;
     protected ?int $invoiceTime = null;
-    protected ?string $expirationTime = null;
-    protected ?string $currentTime = null;
+    protected ?int $expirationTime = null;
+    protected ?int $currentTime = null;
     protected ?array $transactions = null;
-    protected ?bool $exceptionStatus = null;
+    protected bool|string|null $exceptionStatus = null;
     protected ?int $targetConfirmations = null;
     protected ?bool $refundAddressRequestPending = null;
     protected ?string $buyerProvidedEmail = null;
@@ -778,9 +778,9 @@ public function setItemizedDetails(array $itemizedDetails): void
      * If not set, invoice will default to the account acceptanceWindow.
      * If account acceptanceWindow is not set, invoice will default to 15 minutes (900,000 milliseconds).
      *
-     * @return float|null the acceptance window
+     * @return int|null the acceptance window
      */
-    public function getAcceptanceWindow(): ?float
+    public function getAcceptanceWindow(): ?int
     {
         return $this->acceptanceWindow;
     }
@@ -792,9 +792,9 @@ public function getAcceptanceWindow(): ?float
      * If not set, invoice will default to the account acceptanceWindow.
      * If account acceptanceWindow is not set, invoice will default to 15 minutes (900,000 milliseconds).
      *
-     * @param float $acceptanceWindow Number of milliseconds that a user has to pay an invoice before it expire
+     * @param int $acceptanceWindow Number of milliseconds that a user has to pay an invoice before it expire
      */
-    public function setAcceptanceWindow(float $acceptanceWindow): void
+    public function setAcceptanceWindow(int $acceptanceWindow): void
     {
         $this->acceptanceWindow = $acceptanceWindow;
     }
@@ -960,7 +960,7 @@ public function setUrl(string $url): void
      * Instant Payment Notification (IPN) section.
      * </a>
      *
-     * @return string|null Invoice status
+     * @return string|null InvoiceStatus const value
      */
     public function getStatus(): ?string
     {
@@ -973,9 +973,10 @@ public function getStatus(): ?string
      * Detailed information about invoice status notifications can be found under the
      * <a href="https://bitpay.com/api/#notifications-webhooks-instant-payment-notifications-handling">
      * Instant Payment Notification (IPN) section.
+     * Use values from InvoiceStatus const.
      * </a>
      *
-     * @param string $status Invoice status
+     * @param string $status InvoiceStatus const value
      */
     public function setStatus(string $status): void
     {
@@ -1031,9 +1032,9 @@ public function setInvoiceTime(int $invoiceTime)
     /**
      * Gets expirationTime - UNIX time when invoice is last available to be paid, in milliseconds
      *
-     * @return string|null the UNIX time
+     * @return int|null the UNIX time
      */
-    public function getExpirationTime(): ?string
+    public function getExpirationTime(): ?int
     {
         return $this->expirationTime;
     }
@@ -1041,9 +1042,9 @@ public function getExpirationTime(): ?string
     /**
      * Sets expirationTime - UNIX time when invoice is last available to be paid, in milliseconds
      *
-     * @param string $expirationTime UNIX time when invoice is last available to be paid, in milliseconds
+     * @param int|null $expirationTime UNIX time when invoice is last available to be paid, in milliseconds
      */
-    public function setExpirationTime(string $expirationTime): void
+    public function setExpirationTime(?int $expirationTime): void
     {
         $this->expirationTime = $expirationTime;
     }
@@ -1051,9 +1052,9 @@ public function setExpirationTime(string $expirationTime): void
     /**
      * Gets currentTime - UNIX time of API call, in milliseconds
      *
-     * @return string|null UNIX time
+     * @return int|null UNIX time
      */
-    public function getCurrentTime(): ?string
+    public function getCurrentTime(): ?int
     {
         return $this->currentTime;
     }
@@ -1061,9 +1062,9 @@ public function getCurrentTime(): ?string
     /**
      * Sets currentTime - UNIX time of API call, in milliseconds
      *
-     * @param string $currentTime UNIX time of API call, in milliseconds
+     * @param int|null $currentTime UNIX time of API call, in milliseconds
      */
-    public function setCurrentTime(string $currentTime): void
+    public function setCurrentTime(?int $currentTime): void
     {
         $this->currentTime = $currentTime;
     }
@@ -1101,9 +1102,9 @@ public function setTransactions(array $transactions): void
      * "paidPartial": (string) if the consumer did not send enough funds when paying the invoice.
      * "paidOver": (string) if the consumer sent to much funds when paying the invoice.
      *
-     * @return bool|null the exception status
+     * @return bool|string|null the exception status
      */
-    public function getExceptionStatus(): ?bool
+    public function getExceptionStatus(): bool|string|null
     {
         return $this->exceptionStatus;
     }
@@ -1119,7 +1120,7 @@ public function getExceptionStatus(): ?bool
      *
      * @param boolean $exceptionStatus this parameter will indicate if the purchaser sent too much or not enough funds
      */
-    public function setExceptionStatus(bool $exceptionStatus): void
+    public function setExceptionStatus(bool|string|null $exceptionStatus): void
     {
         $this->exceptionStatus = $exceptionStatus;
     }
diff --git a/src/BitPaySDK/Model/Invoice/InvoiceStatus.php b/src/BitPaySDK/Model/Invoice/InvoiceStatus.php
index 1c6ad734..c86b7da5 100644
--- a/src/BitPaySDK/Model/Invoice/InvoiceStatus.php
+++ b/src/BitPaySDK/Model/Invoice/InvoiceStatus.php
@@ -23,7 +23,7 @@ interface InvoiceStatus
      * it will still reflect a status of new to the merchant. From a merchant system perspective,
      * an invoice is either paid or not paid, partial payments are automatically refunded by BitPay to the consumer.
      */
-    public const NEW = "new";
+    public const NEW = 'new';
 
     /**
      * As soon as payment is received it is evaluated against the invoice requested amount.
@@ -31,7 +31,7 @@ interface InvoiceStatus
      * To detect whether the invoice has been overpaid consult the invoice exception status (exceptionStatus parameter).
      * The overpaid amount on an invoice is automatically refunded by BitPay to the consumer.
      */
-    public const PAID = "paid";
+    public const PAID = 'paid';
 
     /**
      * This status can be used by merchants in order to fulfill orders placed by the consumer.
@@ -40,7 +40,7 @@ interface InvoiceStatus
      * This can be configured during invoice creation using the "transactionSpeed" parameter
      * (section Create an invoice), or at account level via a dashboard setting.
      */
-    public const CONFIRMED = "confirmed";
+    public const CONFIRMED = 'confirmed';
 
     /**
      * When an invoice has the status complete, it means that BitPay has credited the merchant account,
@@ -48,12 +48,12 @@ interface InvoiceStatus
      * 6 confirmation blocks on the bitcoin network are required for an invoice to be complete,
      * this takes on average 1 hour.
      */
-    public const COMPLETE = "complete";
+    public const COMPLETE = 'complete';
 
     /**
      * An invoice reaches the expired status if no payment was received and the 15 minute payment window has elapsed.
      */
-    public const EXPIRED = "expired";
+    public const EXPIRED = 'expired';
 
     /**
      * An invoice is considered invalid when it was paid,
@@ -62,5 +62,13 @@ interface InvoiceStatus
      * If the transaction confirms after 1 hour, BitPay will update the invoice state from "invalid" to "complete"
      * (6 confirmations for transactions on the bitcoin network for instance).
      */
-    public const INVALID = "invalid";
+    public const INVALID = 'invalid';
+
+    /**
+     * An invoice in the declined status is no longer eligible to be successfully completed,
+     * and the customer will be automatically contacted regarding a refund if needed.
+     * Reason for this status include cancelling an invoice before completion
+     * and the invoice remaining unconfirmed after a set time period - typically 24 hours.
+     */
+    public const DECLINED = 'declined';
 }
diff --git a/src/BitPaySDK/Model/Invoice/InvoiceWebhook.php b/src/BitPaySDK/Model/Invoice/InvoiceWebhook.php
new file mode 100644
index 00000000..9f601cb1
--- /dev/null
+++ b/src/BitPaySDK/Model/Invoice/InvoiceWebhook.php
@@ -0,0 +1,195 @@
+<?php
+
+/**
+ * Copyright (c) 2019 BitPay
+ **/
+
+declare(strict_types=1);
+
+namespace BitPaySDK\Model\Invoice;
+
+/**
+ * @package BitPaySDK\Model\Invoice
+ * @author BitPay Integrations <integrations@bitpay.com>
+ * @license http://www.opensource.org/licenses/mit-license.php MIT
+ * @see https://developer.bitpay.com/reference/notifications-invoices Notifications Invoices
+ */
+class InvoiceWebhook
+{
+    protected ?string $id;
+    protected ?string $url;
+    protected ?string $posData;
+    protected ?string $status;
+    protected ?float $price;
+    protected ?string $currency;
+    protected ?string $invoiceTime;
+    protected ?string $currencyTime;
+    protected ?string $exceptionStatus;
+    protected ?BuyerFields $buyerFields;
+    protected ?array $paymentSubtotals;
+    protected ?array $paymentTotals;
+    protected ?array $exchangeRates;
+    protected ?int $amountPaid;
+    protected ?string $orderId;
+    protected ?string $transactionCurrency;
+
+    public function getId(): ?string
+    {
+        return $this->id;
+    }
+
+    public function setId(?string $id): void
+    {
+        $this->id = $id;
+    }
+
+    public function getUrl(): ?string
+    {
+        return $this->url;
+    }
+
+    public function setUrl(?string $url): void
+    {
+        $this->url = $url;
+    }
+
+    public function getPosData(): ?string
+    {
+        return $this->posData;
+    }
+
+    public function setPosData(?string $posData): void
+    {
+        $this->posData = $posData;
+    }
+
+    public function getStatus(): ?string
+    {
+        return $this->status;
+    }
+
+    public function setStatus(?string $status): void
+    {
+        $this->status = $status;
+    }
+
+    public function getPrice(): ?float
+    {
+        return $this->price;
+    }
+
+    public function setPrice(?float $price): void
+    {
+        $this->price = $price;
+    }
+
+    public function getCurrency(): ?string
+    {
+        return $this->currency;
+    }
+
+    public function setCurrency(?string $currency): void
+    {
+        $this->currency = $currency;
+    }
+
+    public function getInvoiceTime(): ?string
+    {
+        return $this->invoiceTime;
+    }
+
+    public function setInvoiceTime(?string $invoiceTime): void
+    {
+        $this->invoiceTime = $invoiceTime;
+    }
+
+    public function getCurrencyTime(): ?string
+    {
+        return $this->currencyTime;
+    }
+
+    public function setCurrencyTime(?string $currencyTime): void
+    {
+        $this->currencyTime = $currencyTime;
+    }
+
+    public function getExceptionStatus(): ?string
+    {
+        return $this->exceptionStatus;
+    }
+
+    public function setExceptionStatus(?string $exceptionStatus): void
+    {
+        $this->exceptionStatus = $exceptionStatus;
+    }
+
+    public function getBuyerFields(): ?BuyerFields
+    {
+        return $this->buyerFields;
+    }
+
+    public function setBuyerFields(?BuyerFields $buyerFields): void
+    {
+        $this->buyerFields = $buyerFields;
+    }
+
+    public function getPaymentSubtotals(): ?array
+    {
+        return $this->paymentSubtotals;
+    }
+
+    public function setPaymentSubtotals(?array $paymentSubtotals): void
+    {
+        $this->paymentSubtotals = $paymentSubtotals;
+    }
+
+    public function getPaymentTotals(): ?array
+    {
+        return $this->paymentTotals;
+    }
+
+    public function setPaymentTotals(?array $paymentTotals): void
+    {
+        $this->paymentTotals = $paymentTotals;
+    }
+
+    public function getExchangeRates(): ?array
+    {
+        return $this->exchangeRates;
+    }
+
+    public function setExchangeRates(?array $exchangeRates): void
+    {
+        $this->exchangeRates = $exchangeRates;
+    }
+
+    public function getAmountPaid(): ?int
+    {
+        return $this->amountPaid;
+    }
+
+    public function setAmountPaid(?int $amountPaid): void
+    {
+        $this->amountPaid = $amountPaid;
+    }
+
+    public function getOrderId(): ?string
+    {
+        return $this->orderId;
+    }
+
+    public function setOrderId(?string $orderId): void
+    {
+        $this->orderId = $orderId;
+    }
+
+    public function getTransactionCurrency(): ?string
+    {
+        return $this->transactionCurrency;
+    }
+
+    public function setTransactionCurrency(?string $transactionCurrency): void
+    {
+        $this->transactionCurrency = $transactionCurrency;
+    }
+}
diff --git a/src/BitPaySDK/Model/Invoice/RefundWebhook.php b/src/BitPaySDK/Model/Invoice/RefundWebhook.php
index fb70d29b..8299ca3d 100644
--- a/src/BitPaySDK/Model/Invoice/RefundWebhook.php
+++ b/src/BitPaySDK/Model/Invoice/RefundWebhook.php
@@ -18,128 +18,124 @@
  */
 class RefundWebhook
 {
-    protected string $id;
-    protected string $invoice;
-    protected string $supportRequest;
-    protected string $status;
-    protected float $amount;
-    protected string $currency;
-    protected string $lastRefundNotification;
-    protected float $refundFee;
-    protected bool $immediate;
-    protected bool $buyerPaysRefundFee;
-    protected string $requestDate;
-
-    public function __construct()
-    {
-    }
-
-    public function getId(): string
+    protected ?string $id = null;
+    protected ?string $invoice = null;
+    protected ?string $supportRequest = null;
+    protected ?string $status = null;
+    protected ?int $amount = null;
+    protected ?string $currency = null;
+    protected ?string $lastRefundNotification = null;
+    protected ?float $refundFee = null;
+    protected ?bool $immediate = null;
+    protected ?bool $buyerPaysRefundFee = null;
+    protected ?string $requestDate = null;
+
+    public function getId(): ?string
     {
         return $this->id;
     }
 
-    public function setId(string $id): void
+    public function setId(?string $id): void
     {
         $this->id = $id;
     }
 
-    public function getInvoice(): string
+    public function getInvoice(): ?string
     {
         return $this->invoice;
     }
 
-    public function setInvoice(string $invoice): void
+    public function setInvoice(?string $invoice): void
     {
         $this->invoice = $invoice;
     }
 
-    public function getSupportRequest(): string
+    public function getSupportRequest(): ?string
     {
         return $this->supportRequest;
     }
 
-    public function setSupportRequest(string $supportRequest): void
+    public function setSupportRequest(?string $supportRequest): void
     {
         $this->supportRequest = $supportRequest;
     }
 
-    public function getStatus(): string
+    public function getStatus(): ?string
     {
         return $this->status;
     }
 
-    public function setStatus(string $status): void
+    public function setStatus(?string $status): void
     {
         $this->status = $status;
     }
 
-    public function getAmount(): float
+    public function getAmount(): ?int
     {
         return $this->amount;
     }
 
-    public function setAmount(float $amount): void
+    public function setAmount(?int $amount): void
     {
         $this->amount = $amount;
     }
 
-    public function getCurrency(): string
+    public function getCurrency(): ?string
     {
         return $this->currency;
     }
 
-    public function setCurrency(string $currency): void
+    public function setCurrency(?string $currency): void
     {
         $this->currency = $currency;
     }
 
-    public function getLastRefundNotification(): string
+    public function getLastRefundNotification(): ?string
     {
         return $this->lastRefundNotification;
     }
 
-    public function setLastRefundNotification(string $lastRefundNotification): void
+    public function setLastRefundNotification(?string $lastRefundNotification): void
     {
         $this->lastRefundNotification = $lastRefundNotification;
     }
 
-    public function getRefundFee(): float
+    public function getRefundFee(): ?float
     {
         return $this->refundFee;
     }
 
-    public function setRefundFee(float $refundFee): void
+    public function setRefundFee(?float $refundFee): void
     {
         $this->refundFee = $refundFee;
     }
 
-    public function getImmediate(): bool
+    public function getImmediate(): ?bool
     {
         return $this->immediate;
     }
 
-    public function setImmediate(bool $immediate): void
+    public function setImmediate(?bool $immediate): void
     {
         $this->immediate = $immediate;
     }
 
-    public function getBuyerPaysRefundFee(): bool
+    public function getBuyerPaysRefundFee(): ?bool
     {
         return $this->buyerPaysRefundFee;
     }
 
-    public function setBuyerPaysRefundFee(bool $buyerPaysRefundFee): void
+    public function setBuyerPaysRefundFee(?bool $buyerPaysRefundFee): void
     {
         $this->buyerPaysRefundFee = $buyerPaysRefundFee;
     }
 
-    public function getRequestDate(): string
+    public function getRequestDate(): ?string
     {
         return $this->requestDate;
     }
 
-    public function setRequestDate(string $requestDate): void
+    public function setRequestDate(?string $requestDate): void
     {
         $this->requestDate = $requestDate;
     }
diff --git a/src/BitPaySDK/Model/Ledger/Buyer.php b/src/BitPaySDK/Model/Ledger/Buyer.php
index d411cb19..8111c392 100644
--- a/src/BitPaySDK/Model/Ledger/Buyer.php
+++ b/src/BitPaySDK/Model/Ledger/Buyer.php
@@ -16,16 +16,16 @@
  */
 class Buyer
 {
-    protected ?string $name = null;
-    protected ?string $address1 = null;
-    protected ?string $address2 = null;
-    protected ?string $city = null;
-    protected ?string $state = null;
-    protected ?string $zip = null;
-    protected ?string $country = null;
-    protected ?string $phone = null;
-    protected ?bool $notify = null;
-    protected ?string $email = null;
+    protected ?string $buyerName = null;
+    protected ?string $buyerAddress1 = null;
+    protected ?string $buyerAddress2 = null;
+    protected ?string $buyerCity = null;
+    protected ?string $buyerState = null;
+    protected ?string $buyerZip = null;
+    protected ?string $buyerCountry = null;
+    protected ?string $buyerPhone = null;
+    protected ?bool $buyerNotify = null;
+    protected ?string $buyerEmail = null;
 
     public function __construct()
     {
@@ -36,9 +36,9 @@ public function __construct()
      *
      * @return string|null the name
      */
-    public function getName(): ?string
+    public function getBuyerName(): ?string
     {
-        return $this->name;
+        return $this->buyerName;
     }
 
     /**
@@ -46,9 +46,9 @@ public function getName(): ?string
      *
      * @param string $name the name
      */
-    public function setName(string $name): void
+    public function setBuyerName(string $name): void
     {
-        $this->name = $name;
+        $this->buyerName = $name;
     }
 
     /**
@@ -56,9 +56,9 @@ public function setName(string $name): void
      *
      * @return string|null the address1
      */
-    public function getAddress1(): ?string
+    public function getBuyerAddress1(): ?string
     {
-        return $this->address1;
+        return $this->buyerAddress1;
     }
 
     /**
@@ -66,9 +66,9 @@ public function getAddress1(): ?string
      *
      * @param string $address1 the address1
      */
-    public function setAddress1(string $address1): void
+    public function setBuyerAddress1(string $address1): void
     {
-        $this->address1 = $address1;
+        $this->buyerAddress1 = $address1;
     }
 
     /**
@@ -76,9 +76,9 @@ public function setAddress1(string $address1): void
      *
      * @return string|null the address2
      */
-    public function getAddress2(): ?string
+    public function getBuyerAddress2(): ?string
     {
-        return $this->address2;
+        return $this->buyerAddress2;
     }
 
     /**
@@ -86,9 +86,9 @@ public function getAddress2(): ?string
      *
      * @param string $address2 the address2
      */
-    public function setAddress2(string $address2): void
+    public function setBuyerAddress2(string $address2): void
     {
-        $this->address2 = $address2;
+        $this->buyerAddress2 = $address2;
     }
 
     /**
@@ -96,9 +96,9 @@ public function setAddress2(string $address2): void
      *
      * @return string|null the city
      */
-    public function getCity(): ?string
+    public function getBuyerCity(): ?string
     {
-        return $this->city;
+        return $this->buyerCity;
     }
 
     /**
@@ -106,9 +106,9 @@ public function getCity(): ?string
      *
      * @param string $city the city
      */
-    public function setCity(string $city): void
+    public function setBuyerCity(string $city): void
     {
-        $this->city = $city;
+        $this->buyerCity = $city;
     }
 
     /**
@@ -116,9 +116,9 @@ public function setCity(string $city): void
      *
      * @return string|null the state
      */
-    public function getState(): ?string
+    public function getBuyerState(): ?string
     {
-        return $this->state;
+        return $this->buyerState;
     }
 
     /**
@@ -126,9 +126,9 @@ public function getState(): ?string
      *
      * @param string $state the state
      */
-    public function setState(string $state): void
+    public function setBuyerState(string $state): void
     {
-        $this->state = $state;
+        $this->buyerState = $state;
     }
 
     /**
@@ -136,9 +136,9 @@ public function setState(string $state): void
      *
      * @return string|null the zip
      */
-    public function getZip(): ?string
+    public function getBuyerZip(): ?string
     {
-        return $this->zip;
+        return $this->buyerZip;
     }
 
     /**
@@ -146,9 +146,9 @@ public function getZip(): ?string
      *
      * @param string $zip the zip
      */
-    public function setZip(string $zip): void
+    public function setBuyerZip(string $zip): void
     {
-        $this->zip = $zip;
+        $this->buyerZip = $zip;
     }
 
     /**
@@ -156,9 +156,9 @@ public function setZip(string $zip): void
      *
      * @return string|null the country
      */
-    public function getCountry(): ?string
+    public function getBuyerCountry(): ?string
     {
-        return $this->country;
+        return $this->buyerCountry;
     }
 
     /**
@@ -166,9 +166,9 @@ public function getCountry(): ?string
      *
      * @param string $country the country
      */
-    public function setCountry(string $country): void
+    public function setBuyerCountry(string $country): void
     {
-        $this->country = $country;
+        $this->buyerCountry = $country;
     }
 
     /**
@@ -176,9 +176,9 @@ public function setCountry(string $country): void
      *
      * @return string|null the email
      */
-    public function getEmail(): ?string
+    public function getBuyerEmail(): ?string
     {
-        return $this->email;
+        return $this->buyerEmail;
     }
 
     /**
@@ -186,9 +186,9 @@ public function getEmail(): ?string
      *
      * @param string $email the email
      */
-    public function setEmail(string $email): void
+    public function setBuyerEmail(string $email): void
     {
-        $this->email = $email;
+        $this->buyerEmail = $email;
     }
 
     /**
@@ -196,9 +196,9 @@ public function setEmail(string $email): void
      *
      * @return string|null the phone
      */
-    public function getPhone(): ?string
+    public function getBuyerPhone(): ?string
     {
-        return $this->phone;
+        return $this->buyerPhone;
     }
 
     /**
@@ -206,9 +206,9 @@ public function getPhone(): ?string
      *
      * @param string $phone the phone
      */
-    public function setPhone(string $phone): void
+    public function setBuyerPhone(string $phone): void
     {
-        $this->phone = $phone;
+        $this->buyerPhone = $phone;
     }
 
     /**
@@ -216,9 +216,9 @@ public function setPhone(string $phone): void
      *
      * @return bool|null notify
      */
-    public function getNotify(): ?bool
+    public function getBuyerNotify(): ?bool
     {
-        return $this->notify;
+        return $this->buyerNotify;
     }
 
     /**
@@ -226,9 +226,9 @@ public function getNotify(): ?bool
      *
      * @param bool $notify notify
      */
-    public function setNotify(bool $notify): void
+    public function setBuyerNotify(bool $notify): void
     {
-        $this->notify = $notify;
+        $this->buyerNotify = $notify;
     }
 
     /**
@@ -239,16 +239,16 @@ public function setNotify(bool $notify): void
     public function toArray(): array
     {
         $elements = [
-            'name'     => $this->getName(),
-            'address1' => $this->getAddress1(),
-            'address2' => $this->getAddress2(),
-            'city'     => $this->getCity(),
-            'state'    => $this->getState(),
-            'zip'      => $this->getZip(),
-            'country'  => $this->getCountry(),
-            'phone'    => $this->getPhone(),
-            'notify'   => $this->getNotify(),
-            'email'    => $this->getEmail(),
+            'buyerName'     => $this->getBuyerName(),
+            'buyerAddress1' => $this->getBuyerAddress1(),
+            'buyerAddress2' => $this->getBuyerAddress2(),
+            'buyerCity'     => $this->getBuyerCity(),
+            'buyerState'    => $this->getBuyerState(),
+            'buyerZip'      => $this->getBuyerZip(),
+            'buyerCountry'  => $this->getBuyerCountry(),
+            'buyerPhone'    => $this->getBuyerPhone(),
+            'buyerNotify'   => $this->getBuyerNotify(),
+            'buyerEmail'    => $this->getBuyerEmail(),
         ];
 
         foreach ($elements as $key => $value) {
diff --git a/src/BitPaySDK/Model/Ledger/LedgerEntry.php b/src/BitPaySDK/Model/Ledger/LedgerEntry.php
index b33c9173..49f4c257 100644
--- a/src/BitPaySDK/Model/Ledger/LedgerEntry.php
+++ b/src/BitPaySDK/Model/Ledger/LedgerEntry.php
@@ -22,8 +22,8 @@
 class LedgerEntry
 {
     protected ?string $type = null;
-    protected ?string $amount = null;
-    protected ?string $code = null;
+    protected ?float $amount = null;
+    protected ?int $code = null;
     protected ?string $timestamp = null;
     protected ?string $currency = null;
     protected ?string $txType = null;
@@ -72,9 +72,9 @@ public function setType(string $type): void
      * Gets Ledger entry amount, relative to the scale.
      * The decimal amount can be obtained by dividing the amount field by the scale parameter.
      *
-     * @return string|null
+     * @return float|null
      */
-    public function getAmount(): ?string
+    public function getAmount(): ?float
     {
         return $this->amount;
     }
@@ -83,9 +83,9 @@ public function getAmount(): ?string
      * Sets Ledger entry amount, relative to the scale.
      * The decimal amount can be obtained by dividing the amount field by the scale parameter.
      *
-     * @param string $amount the amount
+     * @param float $amount the amount
      */
-    public function setAmount(string $amount): void
+    public function setAmount(float $amount): void
     {
         $this->amount = $amount;
     }
@@ -96,9 +96,9 @@ public function setAmount(string $amount): void
      * Contains the Ledger entry code.
      * See the list of Ledger Entry Codes: https://bitpay.com/api/?php#ledger-entry-codes
      *
-     * @return string|null the code
+     * @return int|null the code
      */
-    public function getCode(): ?string
+    public function getCode(): ?int
     {
         return $this->code;
     }
@@ -109,9 +109,9 @@ public function getCode(): ?string
      * Contains the Ledger entry code.
      * See the list of Ledger Entry Codes: https://bitpay.com/api/?php#ledger-entry-codes
      *
-     * @param string $code the code
+     * @param int $code the code
      */
-    public function setCode(string $code): void
+    public function setCode(int $code): void
     {
         $this->code = $code;
     }
diff --git a/src/BitPaySDK/Model/Payout/Payout.php b/src/BitPaySDK/Model/Payout/Payout.php
index d8df287e..e43c61eb 100644
--- a/src/BitPaySDK/Model/Payout/Payout.php
+++ b/src/BitPaySDK/Model/Payout/Payout.php
@@ -20,20 +20,20 @@
  */
 class Payout
 {
-    protected string $token = '';
+    protected ?string $token = null;
     protected ?float $amount = null;
     protected ?string $currency = null;
     protected ?string $effectiveDate = null;
     protected ?string $ledgerCurrency = null;
-    protected string $reference = '';
-    protected string $notificationURL = '';
-    protected string $notificationEmail = '';
-    protected string $accountId = '';
-    protected string $email = '';
-    protected string $recipientId = '';
-    protected string $shopperId = '';
-    protected string $label = '';
-    protected string $message = '';
+    protected ?string $reference = null;
+    protected ?string $notificationURL = null;
+    protected ?string $notificationEmail = null;
+    protected ?string $accountId = null;
+    protected ?string $email = null;
+    protected ?string $recipientId = null;
+    protected ?string $shopperId = null;
+    protected ?string $label = null;
+    protected ?string $message = null;
     protected bool $ignoreEmails = false;
     protected ?string $groupId = null;
     protected ?int $code = null;
@@ -229,7 +229,7 @@ public function setLedgerCurrency(string $ledgerCurrency): void
      *
      * @return string
      */
-    public function getReference(): string
+    public function getReference(): ?string
     {
         return $this->reference;
     }
@@ -255,7 +255,7 @@ public function setReference(string $reference): void
      *
      * @return string
      */
-    public function getNotificationURL(): string
+    public function getNotificationURL(): ?string
     {
         return $this->notificationURL;
     }
@@ -279,7 +279,7 @@ public function setNotificationURL(string $notificationURL): void
      *
      * @return string
      */
-    public function getNotificationEmail(): string
+    public function getNotificationEmail(): ?string
     {
         return $this->notificationEmail;
     }
@@ -302,7 +302,7 @@ public function setNotificationEmail(string $notificationEmail): void
      *
      * @return string
      */
-    public function getAccountId(): string
+    public function getAccountId(): ?string
     {
         return $this->accountId;
     }
@@ -327,7 +327,7 @@ public function setAccountId(string $accountId): void
      *
      * @return string
      */
-    public function getEmail(): string
+    public function getEmail(): ?string
     {
         return $this->email;
     }
@@ -351,7 +351,7 @@ public function setEmail(string $email): void
      *
      * @return string
      */
-    public function getRecipientId(): string
+    public function getRecipientId(): ?string
     {
         return $this->recipientId;
     }
@@ -378,7 +378,7 @@ public function setRecipientId(string $recipientId): void
      *
      * @return string
      */
-    public function getShopperId(): string
+    public function getShopperId(): ?string
     {
         return $this->shopperId;
     }
@@ -408,7 +408,7 @@ public function setShopperId(string $shopperId): void
      *
      * @return string
      */
-    public function getLabel(): string
+    public function getLabel(): ?string
     {
         return $this->label;
     }
@@ -433,7 +433,7 @@ public function setLabel(string $label): void
      *
      * @return string
      */
-    public function getMessage(): string
+    public function getMessage(): ?string
     {
         return $this->message;
     }
diff --git a/src/BitPaySDK/Model/Payout/PayoutRecipients.php b/src/BitPaySDK/Model/Payout/PayoutRecipients.php
index 5da7e110..d90bc5ab 100644
--- a/src/BitPaySDK/Model/Payout/PayoutRecipients.php
+++ b/src/BitPaySDK/Model/Payout/PayoutRecipients.php
@@ -13,7 +13,8 @@
 
 namespace BitPaySDK\Model\Payout;
 
-use BitPaySDK\Exceptions\PayoutRecipientException;
+use BitPaySDK\Exceptions\BitPayExceptionProvider;
+use BitPaySDK\Exceptions\BitPayValidationException;
 
 /**
  * @package BitPaySDK\Model\Payout
@@ -24,8 +25,8 @@
 class PayoutRecipients
 {
     protected array $recipients = [];
-    protected string $guid = '';
-    protected string $token = '';
+    protected ?string $guid = null;
+    protected ?string $token = null;
 
     /**
      * Constructor, create an recipient-full request PayoutBatch object.
@@ -43,9 +44,9 @@ public function __construct(array $recipients = [])
     /**
      * Gets guid.
      *
-     * @return string
+     * @return string|null
      */
-    public function getGuid(): string
+    public function getGuid(): ?string
     {
         return $this->guid;
     }
@@ -63,9 +64,9 @@ public function setGuid(string $guid): void
     /**
      * Gets token.
      *
-     * @return string
+     * @return string|null
      */
-    public function getToken(): string
+    public function getToken(): ?string
     {
         return $this->token;
     }
@@ -97,13 +98,13 @@ public function getRecipients(): array
      * Sets array with all recipients.
      *
      * @param PayoutRecipient[] $recipients
-     * @throws PayoutRecipientException
+     * @throws BitPayValidationException
      */
     public function setRecipients(array $recipients): void
     {
         foreach ($recipients as $recipient) {
             if (!$recipient instanceof PayoutRecipient) {
-                throw new PayoutRecipientException('Array should contains only PayoutRecipient objects');
+                BitPayExceptionProvider::throwValidationException('Array should contains only PayoutRecipient objects');
             }
         }
 
diff --git a/src/BitPaySDK/Model/Payout/PayoutWebhook.php b/src/BitPaySDK/Model/Payout/PayoutWebhook.php
new file mode 100644
index 00000000..2bf445d0
--- /dev/null
+++ b/src/BitPaySDK/Model/Payout/PayoutWebhook.php
@@ -0,0 +1,189 @@
+<?php
+
+/**
+ * Copyright (c) 2019 BitPay
+ **/
+
+declare(strict_types=1);
+
+namespace BitPaySDK\Model\Payout;
+
+class PayoutWebhook
+{
+    protected ?string $id = null;
+    protected ?string $recipientId = null;
+    protected ?string $shopperId = null;
+    protected ?float $price = null;
+    protected ?string $currency = null;
+    protected ?string $ledgerCurrency = null;
+    protected ?array $exchangeRates = null;
+    protected ?string $email = null;
+    protected ?string $reference = null;
+    protected ?string $label = null;
+    protected ?string $notificationURL = null;
+    protected ?string $notificationEmail = null;
+    protected ?string $effectiveDate = null;
+    protected ?string $requestDate = null;
+    protected ?string $status = null;
+    protected ?array $transactions = null;
+
+    public function getId(): ?string
+    {
+        return $this->id;
+    }
+
+    public function setId(?string $id): void
+    {
+        $this->id = $id;
+    }
+
+    public function getRecipientId(): ?string
+    {
+        return $this->recipientId;
+    }
+
+    public function setRecipientId(?string $recipientId): void
+    {
+        $this->recipientId = $recipientId;
+    }
+
+    public function getShopperId(): ?string
+    {
+        return $this->shopperId;
+    }
+
+    public function setShopperId(?string $shopperId): void
+    {
+        $this->shopperId = $shopperId;
+    }
+
+    public function getPrice(): ?float
+    {
+        return $this->price;
+    }
+
+    public function setPrice(?float $price): void
+    {
+        $this->price = $price;
+    }
+
+    public function getCurrency(): ?string
+    {
+        return $this->currency;
+    }
+
+    public function setCurrency(?string $currency): void
+    {
+        $this->currency = $currency;
+    }
+
+    public function getLedgerCurrency(): ?string
+    {
+        return $this->ledgerCurrency;
+    }
+
+    public function setLedgerCurrency(?string $ledgerCurrency): void
+    {
+        $this->ledgerCurrency = $ledgerCurrency;
+    }
+
+    public function getExchangeRates(): ?array
+    {
+        return $this->exchangeRates;
+    }
+
+    public function setExchangeRates(?array $exchangeRates): void
+    {
+        $this->exchangeRates = $exchangeRates;
+    }
+
+    public function getEmail(): ?string
+    {
+        return $this->email;
+    }
+
+    public function setEmail(?string $email): void
+    {
+        $this->email = $email;
+    }
+
+    public function getReference(): ?string
+    {
+        return $this->reference;
+    }
+
+    public function setReference(?string $reference): void
+    {
+        $this->reference = $reference;
+    }
+
+    public function getLabel(): ?string
+    {
+        return $this->label;
+    }
+
+    public function setLabel(?string $label): void
+    {
+        $this->label = $label;
+    }
+
+    public function getNotificationURL(): ?string
+    {
+        return $this->notificationURL;
+    }
+
+    public function setNotificationURL(?string $notificationURL): void
+    {
+        $this->notificationURL = $notificationURL;
+    }
+
+    public function getNotificationEmail(): ?string
+    {
+        return $this->notificationEmail;
+    }
+
+    public function setNotificationEmail(?string $notificationEmail): void
+    {
+        $this->notificationEmail = $notificationEmail;
+    }
+
+    public function getEffectiveDate(): ?string
+    {
+        return $this->effectiveDate;
+    }
+
+    public function setEffectiveDate(?string $effectiveDate): void
+    {
+        $this->effectiveDate = $effectiveDate;
+    }
+
+    public function getRequestDate(): ?string
+    {
+        return $this->requestDate;
+    }
+
+    public function setRequestDate(?string $requestDate): void
+    {
+        $this->requestDate = $requestDate;
+    }
+
+    public function getStatus(): ?string
+    {
+        return $this->status;
+    }
+
+    public function setStatus(?string $status): void
+    {
+        $this->status = $status;
+    }
+
+    public function getTransactions(): ?array
+    {
+        return $this->transactions;
+    }
+
+    public function setTransactions(?array $transactions): void
+    {
+        $this->transactions = $transactions;
+    }
+}
diff --git a/src/BitPaySDK/Model/Payout/RecipientWebhook.php b/src/BitPaySDK/Model/Payout/RecipientWebhook.php
new file mode 100644
index 00000000..98920a3f
--- /dev/null
+++ b/src/BitPaySDK/Model/Payout/RecipientWebhook.php
@@ -0,0 +1,80 @@
+<?php
+
+/**
+ * Copyright (c) 2019 BitPay
+ **/
+
+declare(strict_types=1);
+
+namespace BitPaySDK\Model\Payout;
+
+class RecipientWebhook
+{
+    protected ?string $email = null;
+    protected ?string $label = null;
+    protected ?string $status = null;
+    protected ?string $id = null;
+    protected ?string $shopperId = null;
+
+    public function getEmail(): ?string
+    {
+        return $this->email;
+    }
+
+    public function setEmail(?string $email): void
+    {
+        $this->email = $email;
+    }
+
+    public function getLabel(): ?string
+    {
+        return $this->label;
+    }
+
+    public function setLabel(?string $label): void
+    {
+        $this->label = $label;
+    }
+
+    /**
+     * @return string|null RecipientStatus value
+     */
+    public function getStatus(): ?string
+    {
+        return $this->status;
+    }
+
+    /**
+     * @param string|null $status RecipientStatus value
+     * @return void
+     */
+    public function setStatus(?string $status): void
+    {
+        $this->status = $status;
+    }
+
+    public function getId(): ?string
+    {
+        return $this->id;
+    }
+
+    public function setId(?string $id): void
+    {
+        $this->id = $id;
+    }
+
+    public function getShopperId(): ?string
+    {
+        return $this->shopperId;
+    }
+
+    public function setShopperId(?string $shopperId): void
+    {
+        $this->shopperId = $shopperId;
+    }
+
+
+
+
+
+}
diff --git a/src/BitPaySDK/Model/Settlement/PayoutInfo.php b/src/BitPaySDK/Model/Settlement/PayoutInfo.php
index 21ecbb45..6e6a6d42 100644
--- a/src/BitPaySDK/Model/Settlement/PayoutInfo.php
+++ b/src/BitPaySDK/Model/Settlement/PayoutInfo.php
@@ -19,9 +19,7 @@
 class PayoutInfo
 {
     protected ?string $name = null;
-    protected ?string $account = null;
     protected ?string $routing = null;
-    protected ?string $merchantEin = null;
     protected ?string $label = null;
     protected ?string $bankCountry = null;
     protected ?string $bank = null;
@@ -29,8 +27,10 @@ class PayoutInfo
     protected ?string $address = null;
     protected ?string $city = null;
     protected ?string $postal = null;
+    protected ?string $account = null;
+    protected ?string $merchantEin = null;
     protected ?string $sort = null;
-    protected ?string $wire = null;
+    protected ?bool $wire = null;
     protected ?string $bankName = null;
     protected ?string $bankAddress = null;
     protected ?string $bankAddress2 = null;
@@ -47,26 +47,6 @@ public function __construct()
     {
     }
 
-    /**
-     * Gets Bank account number of the merchant
-     *
-     * @return string|null the bank account number
-     */
-    public function getAccount(): ?string
-    {
-        return $this->account;
-    }
-
-    /**
-     * Sets Bank account number of the merchant
-     *
-     * @param string $account the bank account number
-     */
-    public function setAccount(string $account): void
-    {
-        $this->account = $account;
-    }
-
     /**
      * Gets routing
      *
@@ -280,6 +260,26 @@ public function setPostal(string $postal): void
         $this->postal = $postal;
     }
 
+    /**
+     * Gets Bank account number of the merchant
+     *
+     * @return string|null the bank account number
+     */
+    public function getAccount(): ?string
+    {
+        return $this->account;
+    }
+
+    /**
+     * Sets Bank account number of the merchant
+     *
+     * @param string $account the bank account number
+     */
+    public function setAccount(string $account): void
+    {
+        $this->account = $account;
+    }
+
     /**
      * Gets sort
      *
@@ -308,9 +308,9 @@ public function setSort(string $sort): void
      * If set to true, this means BitPay will be settling the account using an international transfer via the SWIFT
      * network instead of local settlement methods like ACH(United States) or SEPA (European Economic Area)
      *
-     * @return string|null the wire
+     * @return bool|null the wire
      */
-    public function getWire(): ?string
+    public function getWire(): ?bool
     {
         return $this->wire;
     }
@@ -318,9 +318,9 @@ public function getWire(): ?string
     /**
      * Sets wire
      *
-     * @param string $wire the wire
+     * @param bool $wire the wire
      */
-    public function setWire(string $wire): void
+    public function setWire(bool $wire): void
     {
         $this->wire = $wire;
     }
diff --git a/src/BitPaySDK/Model/Settlement/Settlement.php b/src/BitPaySDK/Model/Settlement/Settlement.php
index efd5947a..fd6a7b60 100644
--- a/src/BitPaySDK/Model/Settlement/Settlement.php
+++ b/src/BitPaySDK/Model/Settlement/Settlement.php
@@ -8,8 +8,6 @@
 
 namespace BitPaySDK\Model\Settlement;
 
-use BitPaySDK\Exceptions\SettlementException;
-
 /**
  * Settlement data object.
  *
diff --git a/src/BitPaySDK/Model/Wallet/Wallet.php b/src/BitPaySDK/Model/Wallet/Wallet.php
index 579ee5e9..812f3c81 100644
--- a/src/BitPaySDK/Model/Wallet/Wallet.php
+++ b/src/BitPaySDK/Model/Wallet/Wallet.php
@@ -22,6 +22,9 @@ class Wallet
     protected Currencies $currencies;
     protected ?string $image = null;
     protected ?bool $payPro = null;
+    protected ?string $uniCode = null;
+    protected ?bool $offChainMode = null;
+    protected ?string $invoiceDefault = null;
 
     /**
      * Constructor, create a minimal request Wallet object.
@@ -171,6 +174,54 @@ public function setImage(string $image): void
         $this->image = $image;
     }
 
+    /**
+     * @return string|null
+     */
+    public function getUniCode(): ?string
+    {
+        return $this->uniCode;
+    }
+
+    /**
+     * @param string|null $uniCode
+     */
+    public function setUniCode(?string $uniCode): void
+    {
+        $this->uniCode = $uniCode;
+    }
+
+    /**
+     * @return bool|null
+     */
+    public function getOffChainMode(): ?bool
+    {
+        return $this->offChainMode;
+    }
+
+    /**
+     * @param bool|null $offChainMode
+     */
+    public function setOffChainMode(?bool $offChainMode): void
+    {
+        $this->offChainMode = $offChainMode;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getInvoiceDefault(): ?string
+    {
+        return $this->invoiceDefault;
+    }
+
+    /**
+     * @param string|null $invoiceDefault
+     */
+    public function setInvoiceDefault(?string $invoiceDefault): void
+    {
+        $this->invoiceDefault = $invoiceDefault;
+    }
+
     /**
      * Gets Wallet as array
      *
@@ -184,7 +235,10 @@ public function toArray(): array
             'avatar' => $this->getAvatar(),
             'paypro' => $this->getPayPro(),
             'currencies' => $this->getCurrencies()->toArray(),
-            'image' => $this->getImage()
+            'image' => $this->getImage(),
+            'uniCode' => $this->getUniCode(),
+            'offChainMode' => $this->getOffChainMode(),
+            'invoiceDefault' => $this->getInvoiceDefault()
         ];
     }
 }
diff --git a/test/unit/BitPaySDK/ClientTest.php b/test/unit/BitPaySDK/ClientTest.php
index ae4bd209..5bed61ef 100644
--- a/test/unit/BitPaySDK/ClientTest.php
+++ b/test/unit/BitPaySDK/ClientTest.php
@@ -622,13 +622,13 @@ public function testDeliverBillShouldCatchRestCliException()
         $client->deliverBill($exampleBillId, $exampleBillToken);
     }
 
-    public function testGetLedger()
+    public function testGetLedgerEntries()
     {
         $exampleCurrency = Currency::BTC;
         $exampleStartDate = '2021-5-10';
         $exampleEndDate = '2021-5-31';
         $restCliMock = $this->getRestCliMock();
-        $exampleResponse = file_get_contents(__DIR__ . '/jsonResponse/getLedgerBalances.json');
+        $exampleResponse = file_get_contents(__DIR__ . '/jsonResponse/getLedgerEntriesResponse.json');
 
         $params['token'] = 'kQLZ7C9YKPSnMCC4EJwrqRHXuQkLzL1W8DfZCh37DHb';
         $params["currency"] = $exampleCurrency;
@@ -645,9 +645,9 @@ public function testGetLedger()
         $result = $client->getLedgerEntries($exampleCurrency, $exampleStartDate, $exampleEndDate);
 
         self::assertIsArray($result);
-        self::assertEquals('EUR', $result[0]->getCurrency());
-        self::assertEquals('USD', $result[1]->getCurrency());
-        self::assertEquals('BTC', $result[2]->getCurrency());
+        self::assertCount(3, $result);
+        self::assertEquals(-8000000, $result[1]->getAmount());
+        self::assertEquals("John Doe", $result[1]->getBuyerFields()->getBuyerName());
         self::assertInstanceOf(LedgerEntry::class, $result[0]);
     }
 
@@ -706,7 +706,7 @@ public function testGetLedgers()
     {
         $restCliMock = $this->getRestCliMock();
         $params['token'] = 'kQLZ7C9YKPSnMCC4EJwrqRHXuQkLzL1W8DfZCh37DHb';
-        $exampleResponse = file_get_contents(__DIR__ . '/jsonResponse/getLedgers.json');
+        $exampleResponse = file_get_contents(__DIR__ . '/jsonResponse/getLedgersResponse.json');
 
         $restCliMock
             ->expects(self::once())
@@ -720,7 +720,9 @@ public function testGetLedgers()
 
 
         self::assertIsArray($result);
-        self::assertInstanceOf(Ledger::class, $result[0]);
+        $ledger = $result[1];
+        self::assertInstanceOf(Ledger::class, $ledger);
+        self::assertEquals(2389.82, $ledger->getBalance());
     }
 
     public function testGetLedgersShouldCatchBitPayException()
diff --git a/test/unit/BitPaySDK/Model/CurrencyTest.php b/test/unit/BitPaySDK/Model/CurrencyTest.php
index 6f7da423..df337d04 100644
--- a/test/unit/BitPaySDK/Model/CurrencyTest.php
+++ b/test/unit/BitPaySDK/Model/CurrencyTest.php
@@ -48,8 +48,6 @@ public function testToArray()
         self::assertArrayHasKey('minimum', $currencyArray);
         self::assertArrayHasKey('sanctioned', $currencyArray);
         self::assertArrayHasKey('decimals', $currencyArray);
-        self::assertArrayHasKey('payoutFields', $currencyArray);
-        self::assertArrayHasKey('settlementMinimum', $currencyArray);
         self::assertEquals('BTC', $currencyArray['code']);
         self::assertEquals('Symbol', $currencyArray['symbol']);
         self::assertEquals(1, $currencyArray['precision']);
@@ -59,9 +57,8 @@ public function testToArray()
         self::assertEquals('alts', $currencyArray['alts']);
         self::assertEquals('minimum', $currencyArray['minimum']);
         self::assertEquals(true, $currencyArray['sanctioned']);
-        self::assertEquals('decimals', $currencyArray['decimals']);
-        self::assertEquals(['test'], $currencyArray['payoutFields']);
-        self::assertEquals(['test'], $currencyArray['settlementMinimum']);
+        self::assertEquals(2, $currencyArray['decimals']);
+        self::assertEquals('chain', $currencyArray['chain']);
     }
 
     public function testGetCode()
@@ -130,23 +127,11 @@ public function testGetSanctioned()
     public function testGetDecimals()
     {
         $currency = $this->createClassObject();
-        $currency->setDecimals('testDecimals');
-        self::assertEquals('testDecimals', $currency->getDecimals());
+        $expected = 2;
+        $currency->setDecimals($expected);
+        self::assertEquals($expected, $currency->getDecimals());
     }
 
-    public function testGetPayoutFields()
-    {
-        $currency = $this->createClassObject();
-        $currency->setPayoutFields(['test']);
-        self::assertEquals(['test'], $currency->getPayoutFields());
-    }
-
-    public function testGetSettlementMinimum()
-    {
-        $currency = $this->createClassObject();
-        $currency->setSettlementMinimum(['test']);
-        self::assertEquals(['test'], $currency->getSettlementMinimum());
-    }
 
     private function createClassObject(): Currency
     {
@@ -164,8 +149,7 @@ private function setSetters(Currency $currency)
         $currency->setAlts('alts');
         $currency->setMinimum('minimum');
         $currency->setSanctioned(true);
-        $currency->setDecimals('decimals');
-        $currency->setPayoutFields(['test']);
-        $currency->setSettlementMinimum(['test']);
+        $currency->setDecimals(2);
+        $currency->setChain('chain');
     }
 }
diff --git a/test/unit/BitPaySDK/Model/Invoice/BuyerFieldsTest.php b/test/unit/BitPaySDK/Model/Invoice/BuyerFieldsTest.php
new file mode 100644
index 00000000..cfd3952a
--- /dev/null
+++ b/test/unit/BitPaySDK/Model/Invoice/BuyerFieldsTest.php
@@ -0,0 +1,107 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BitPaySDK\Test\Model\Invoice;
+
+use BitPaySDK\Model\Invoice\BuyerFields;
+use PHPUnit\Framework\TestCase;
+
+class BuyerFieldsTest extends TestCase
+{
+    public function testManipulateBuyerAddress1(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerAddress1($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerAddress1());
+    }
+
+    public function testManipulateBuyerAddress2(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerAddress2($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerAddress2());
+    }
+
+    public function testManipulateBuyerCity(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerCity($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerCity());
+    }
+
+    public function testManipulateBuyerCountry(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerCountry($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerCountry());
+    }
+
+    public function testManipulateBuyerEmail(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerEmail($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerEmail());
+    }
+
+    public function testManipulateBuyerName(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerName($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerName());
+    }
+
+    public function testManipulateBuyerNotify(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = true;
+        $testedClass->setBuyerNotify($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerNotify());
+    }
+
+    public function testManipulateBuyerPhone(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerPhone($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerPhone());
+    }
+
+    public function testManipulateBuyerState(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerState($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerState());
+    }
+
+    public function testManipulateBuyerZip(): void
+    {
+        $testedClass = $this->getTestedClass();
+        $expected = 'someValue';
+        $testedClass->setBuyerZip($expected);
+
+        self::assertEquals($expected, $testedClass->getBuyerZip());
+    }
+
+
+    private function getTestedClass(): BuyerFields
+    {
+        return new BuyerFields();
+    }
+}
diff --git a/test/unit/BitPaySDK/Model/Invoice/InvoiceTest.php b/test/unit/BitPaySDK/Model/Invoice/InvoiceTest.php
index 8460150c..628b87a5 100644
--- a/test/unit/BitPaySDK/Model/Invoice/InvoiceTest.php
+++ b/test/unit/BitPaySDK/Model/Invoice/InvoiceTest.php
@@ -340,7 +340,7 @@ public function testGetInvoiceTime()
 
     public function testGetExpirationTime()
     {
-        $expectedExpirationTime = '01:01:01';
+        $expectedExpirationTime = 123456;
 
         $invoice = $this->createClassObject();
         $invoice->setExpirationTime($expectedExpirationTime);
@@ -349,7 +349,7 @@ public function testGetExpirationTime()
 
     public function testGetCurrentTime()
     {
-        $expectedCurrencyTime = '01:01:01';
+        $expectedCurrencyTime = 123456;
 
         $invoice = $this->createClassObject();
         $invoice->setCurrentTime($expectedCurrencyTime);
@@ -739,7 +739,7 @@ public function testToArray()
         self::assertEquals('Test item code', $invoiceArray['itemCode']);
         self::assertTrue($invoiceArray['physical']);
         self::assertEquals(['BTC'], $invoiceArray['paymentCurrencies']);
-        self::assertEquals(1.1, $invoiceArray['acceptanceWindow']);
+        self::assertEquals(1, $invoiceArray['acceptanceWindow']);
         self::assertEquals('http://test.com', $invoiceArray['closeURL']);
         self::assertTrue($invoiceArray['autoRedirect']);
         self::assertEquals(['Test refund address'], $invoiceArray['refundAddresses']);
@@ -748,8 +748,8 @@ public function testToArray()
         self::assertEquals('pending', $invoiceArray['status']);
         self::assertEquals('Low fee detected', $invoiceArray['lowFeeDetected']);
         self::assertEquals(1620734545366, $invoiceArray['invoiceTime']);
-        self::assertEquals('01:01:01', $invoiceArray['expirationTime']);
-        self::assertEquals('01:01:01', $invoiceArray['currentTime']);
+        self::assertEquals(123456, $invoiceArray['expirationTime']);
+        self::assertEquals(456789, $invoiceArray['currentTime']);
         self::assertEquals('Exception status', $invoiceArray['exceptionStatus']);
         self::assertEquals(6, $invoiceArray['targetConfirmations']);
         self::assertEquals('test@email.com', $invoiceArray['buyerProvidedEmail']);
@@ -805,7 +805,7 @@ private function setObjectSetters(Invoice $invoice)
         $invoice->setItemCode('Test item code');
         $invoice->setPhysical(true);
         $invoice->setPaymentCurrencies(['BTC']);
-        $invoice->setAcceptanceWindow(1.1);
+        $invoice->setAcceptanceWindow(1);
         $invoice->setCloseURL('http://test.com');
         $invoice->setAutoRedirect(true);
         $invoice->setRefundAddresses(['Test refund address']);
@@ -814,8 +814,8 @@ private function setObjectSetters(Invoice $invoice)
         $invoice->setStatus('pending');
         $invoice->setLowFeeDetected('Low fee detected');
         $invoice->setInvoiceTime(1620734545366);
-        $invoice->setExpirationTime('01:01:01');
-        $invoice->setCurrentTime('01:01:01');
+        $invoice->setExpirationTime(123456);
+        $invoice->setCurrentTime(456789);
         $invoice->setTransactions([]);
         $invoice->setExceptionStatus('Exception status');
         $invoice->setTargetConfirmations(6);
diff --git a/test/unit/BitPaySDK/Model/Ledger/BuyerTest.php b/test/unit/BitPaySDK/Model/Ledger/BuyerTest.php
index d3711f4f..b0f1c330 100644
--- a/test/unit/BitPaySDK/Model/Ledger/BuyerTest.php
+++ b/test/unit/BitPaySDK/Model/Ledger/BuyerTest.php
@@ -18,8 +18,8 @@ public function testGetName()
         $expectedName = 'Test Name';
 
         $buyer = $this->createClassObject();
-        $buyer->setName($expectedName);
-        self::assertEquals($expectedName, $buyer->getName());
+        $buyer->setBuyerName($expectedName);
+        self::assertEquals($expectedName, $buyer->getBuyerName());
     }
 
     public function testGetAddress1()
@@ -27,8 +27,8 @@ public function testGetAddress1()
         $expectedAddress1 = 'Address 1';
 
         $buyer = $this->createClassObject();
-        $buyer->setAddress1($expectedAddress1);
-        self::assertEquals($expectedAddress1, $buyer->getAddress1());
+        $buyer->setBuyerAddress1($expectedAddress1);
+        self::assertEquals($expectedAddress1, $buyer->getBuyerAddress1());
     }
 
     public function testGetAddress2()
@@ -36,8 +36,8 @@ public function testGetAddress2()
         $expectedAddress2 = 'Address 2';
 
         $buyer = $this->createClassObject();
-        $buyer->setAddress2($expectedAddress2);
-        self::assertEquals($expectedAddress2, $buyer->getAddress2());
+        $buyer->setBuyerAddress2($expectedAddress2);
+        self::assertEquals($expectedAddress2, $buyer->getBuyerAddress2());
     }
 
     public function testGetCity()
@@ -45,8 +45,8 @@ public function testGetCity()
         $expectedCity = 'Miami';
 
         $buyer = $this->createClassObject();
-        $buyer->setCity($expectedCity);
-        self::assertEquals($expectedCity, $buyer->getCity());
+        $buyer->setBuyerCity($expectedCity);
+        self::assertEquals($expectedCity, $buyer->getBuyerCity());
     }
 
     public function testGetState()
@@ -54,8 +54,8 @@ public function testGetState()
         $expectedState = 'AB';
 
         $buyer = $this->createClassObject();
-        $buyer->setState($expectedState);
-        self::assertEquals($expectedState, $buyer->getState());
+        $buyer->setBuyerState($expectedState);
+        self::assertEquals($expectedState, $buyer->getBuyerState());
     }
 
     public function testGetZip()
@@ -63,8 +63,8 @@ public function testGetZip()
         $expectedZip = '12345';
 
         $buyer = $this->createClassObject();
-        $buyer->setZip($expectedZip);
-        self::assertEquals($expectedZip, $buyer->getZip());
+        $buyer->setBuyerZip($expectedZip);
+        self::assertEquals($expectedZip, $buyer->getBuyerZip());
     }
 
     public function testGetCountry()
@@ -72,8 +72,8 @@ public function testGetCountry()
         $expectedCountry = 'Canada';
 
         $buyer = $this->createClassObject();
-        $buyer->setCountry($expectedCountry);
-        self::assertEquals($expectedCountry, $buyer->getCountry());
+        $buyer->setBuyerCountry($expectedCountry);
+        self::assertEquals($expectedCountry, $buyer->getBuyerCountry());
     }
 
     public function testGetEmail()
@@ -81,8 +81,8 @@ public function testGetEmail()
         $expectedEmail = 'test@email.com';
 
         $buyer = $this->createClassObject();
-        $buyer->setEmail($expectedEmail);
-        self::assertEquals($expectedEmail, $buyer->getEmail());
+        $buyer->setBuyerEmail($expectedEmail);
+        self::assertEquals($expectedEmail, $buyer->getBuyerEmail());
     }
 
     public function testGetPhone()
@@ -90,18 +90,18 @@ public function testGetPhone()
         $expectedPhone = '123456789';
 
         $buyer = $this->createClassObject();
-        $buyer->setPhone($expectedPhone);
-        self::assertEquals($expectedPhone, $buyer->getPhone());
+        $buyer->setBuyerPhone($expectedPhone);
+        self::assertEquals($expectedPhone, $buyer->getBuyerPhone());
     }
 
     public function testGetNotify()
     {
         $buyer = $this->createClassObject();
-        $buyer->setNotify(true);
-        self::assertTrue($buyer->getNotify());
+        $buyer->setBuyerNotify(true);
+        self::assertTrue($buyer->getBuyerNotify());
 
-        $buyer->setNotify(false);
-        self::assertFalse($buyer->getNotify());
+        $buyer->setBuyerNotify(false);
+        self::assertFalse($buyer->getBuyerNotify());
     }
 
     public function testToArray()
@@ -114,27 +114,27 @@ public function testToArray()
         self::assertNotNull($buyerArray);
         self::assertIsArray($buyerArray);
 
-        self::assertArrayHasKey('name', $buyerArray);
-        self::assertArrayHasKey('address1', $buyerArray);
-        self::assertArrayHasKey('address2', $buyerArray);
-        self::assertArrayHasKey('city', $buyerArray);
-        self::assertArrayHasKey('state', $buyerArray);
-        self::assertArrayHasKey('zip', $buyerArray);
-        self::assertArrayHasKey('country', $buyerArray);
-        self::assertArrayHasKey('phone', $buyerArray);
-        self::assertArrayHasKey('notify', $buyerArray);
-        self::assertArrayHasKey('email', $buyerArray);
-
-        self::assertEquals('TestName', $buyerArray['name']);
-        self::assertEquals('Address1', $buyerArray['address1']);
-        self::assertEquals('Address2', $buyerArray['address2']);
-        self::assertEquals('Miami', $buyerArray['city']);
-        self::assertEquals('AB', $buyerArray['state']);
-        self::assertEquals('12345', $buyerArray['zip']);
-        self::assertEquals('USA', $buyerArray['country']);
-        self::assertEquals('123456789', $buyerArray['phone']);
-        self::assertTrue($buyerArray['notify']);
-        self::assertEquals('test@email.com', $buyerArray['email']);
+        self::assertArrayHasKey('buyerName', $buyerArray);
+        self::assertArrayHasKey('buyerAddress1', $buyerArray);
+        self::assertArrayHasKey('buyerAddress2', $buyerArray);
+        self::assertArrayHasKey('buyerCity', $buyerArray);
+        self::assertArrayHasKey('buyerState', $buyerArray);
+        self::assertArrayHasKey('buyerZip', $buyerArray);
+        self::assertArrayHasKey('buyerCountry', $buyerArray);
+        self::assertArrayHasKey('buyerPhone', $buyerArray);
+        self::assertArrayHasKey('buyerNotify', $buyerArray);
+        self::assertArrayHasKey('buyerEmail', $buyerArray);
+
+        self::assertEquals('TestName', $buyerArray['buyerName']);
+        self::assertEquals('Address1', $buyerArray['buyerAddress1']);
+        self::assertEquals('Address2', $buyerArray['buyerAddress2']);
+        self::assertEquals('Miami', $buyerArray['buyerCity']);
+        self::assertEquals('AB', $buyerArray['buyerState']);
+        self::assertEquals('12345', $buyerArray['buyerZip']);
+        self::assertEquals('USA', $buyerArray['buyerCountry']);
+        self::assertEquals('123456789', $buyerArray['buyerPhone']);
+        self::assertTrue($buyerArray['buyerNotify']);
+        self::assertEquals('test@email.com', $buyerArray['buyerEmail']);
     }
 
     private function createClassObject(): Buyer
@@ -144,15 +144,15 @@ private function createClassObject(): Buyer
 
     private function setSetters(Buyer $buyer)
     {
-        $buyer->setName('TestName');
-        $buyer->setAddress1('Address1');
-        $buyer->setAddress2('Address2');
-        $buyer->setCity('Miami');
-        $buyer->setState('AB');
-        $buyer->setZip('12345');
-        $buyer->setCountry('USA');
-        $buyer->setPhone('123456789');
-        $buyer->setNotify(true);
-        $buyer->setEmail('test@email.com');
+        $buyer->setBuyerName('TestName');
+        $buyer->setBuyerAddress1('Address1');
+        $buyer->setBuyerAddress2('Address2');
+        $buyer->setBuyerCity('Miami');
+        $buyer->setBuyerState('AB');
+        $buyer->setBuyerZip('12345');
+        $buyer->setBuyerCountry('USA');
+        $buyer->setBuyerPhone('123456789');
+        $buyer->setBuyerNotify(true);
+        $buyer->setBuyerEmail('test@email.com');
     }
 }
\ No newline at end of file
diff --git a/test/unit/BitPaySDK/Model/Ledger/LedgerEntryTest.php b/test/unit/BitPaySDK/Model/Ledger/LedgerEntryTest.php
index 4d3768e7..bcfa297c 100644
--- a/test/unit/BitPaySDK/Model/Ledger/LedgerEntryTest.php
+++ b/test/unit/BitPaySDK/Model/Ledger/LedgerEntryTest.php
@@ -34,7 +34,7 @@ public function testGetAmount()
 
     public function testGetCode()
     {
-        $expectedCode = 'abc123';
+        $expectedCode = 1324;
 
         $ledgerEntry = $this->createClassObject();
         $ledgerEntry->setCode($expectedCode);
@@ -175,7 +175,7 @@ public function testToArray()
 
         self::assertEquals('TestType', $ledgerEntryArray['type']);
         self::assertEquals('1', $ledgerEntryArray['amount']);
-        self::assertEquals('abc123', $ledgerEntryArray['code']);
+        self::assertEquals(111, $ledgerEntryArray['code']);
         self::assertEquals('2020-01-01 18:10:10', $ledgerEntryArray['timestamp']);
         self::assertEquals('BTC', $ledgerEntryArray['currency']);
         self::assertEquals('TxType', $ledgerEntryArray['txType']);
@@ -198,7 +198,7 @@ private function setSetters(LedgerEntry $ledgerEntry)
     {
         $ledgerEntry->setType('TestType');
         $ledgerEntry->setAmount('1');
-        $ledgerEntry->setCode('abc123');
+        $ledgerEntry->setCode(111);
         $ledgerEntry->setTimestamp('2020-01-01 18:10:10');
         $ledgerEntry->setCurrency('BTC');
         $ledgerEntry->setTxType('TxType');
diff --git a/test/unit/BitPaySDK/jsonResponse/getLedgers.json b/test/unit/BitPaySDK/jsonResponse/getLedgerEntriesResponse.json
similarity index 100%
rename from test/unit/BitPaySDK/jsonResponse/getLedgers.json
rename to test/unit/BitPaySDK/jsonResponse/getLedgerEntriesResponse.json
diff --git a/test/unit/BitPaySDK/jsonResponse/getLedgerBalances.json b/test/unit/BitPaySDK/jsonResponse/getLedgersResponse.json
similarity index 100%
rename from test/unit/BitPaySDK/jsonResponse/getLedgerBalances.json
rename to test/unit/BitPaySDK/jsonResponse/getLedgersResponse.json