diff --git a/src/AtolOnlineClient/AtolOnlineApi.php b/src/AtolOnlineClient/AtolOnlineApi.php
index 10c2325..69502f5 100644
--- a/src/AtolOnlineClient/AtolOnlineApi.php
+++ b/src/AtolOnlineClient/AtolOnlineApi.php
@@ -12,7 +12,6 @@ use Psr\Log\LoggerInterface;
 class AtolOnlineApi
 {
     public const API_VERSION_V4 = 'v4';
-    public const API_VERSION_V3 = 'v3';
 
     public const TOKEN_CACHE_KEY = 'crm_fiscal_atol_online_token';
     public const TOKEN_CACHE_TIME = 86400;
@@ -94,7 +93,7 @@ class AtolOnlineApi
      */
     public function getVersion(): string
     {
-        return $this->connection->version ?: self::API_VERSION_V3;
+        return $this->connection->version ?: self::API_VERSION_V4;
     }
 
     /**
@@ -191,32 +190,19 @@ class AtolOnlineApi
         if ($response) {
             $response = json_decode($response->getBody(), true);
 
-            if ($this->connection->isVersion4()) {
-                if ($this->cache && !isset($response['error'])) {
-                    $this->cache->save($this->getTokenCacheKey(), $response['token'], self::TOKEN_CACHE_TIME);
-                }
-
-                if ($this->logger && isset($response['error'])) {
-                    $this->logger->error($response['error']['code'] . ' '. $response['error']['text']);
-                }
-
-                if (!isset($response['error'])) {
-                    return $response['token'];
-                }
-
-               return false;
+            if ($this->cache && !isset($response['error'])) {
+                $this->cache->save($this->getTokenCacheKey(), $response['token'], self::TOKEN_CACHE_TIME);
             }
 
-            if (isset($response['code']) && in_array($response['code'], [0, 1], true)) {
-                if ($this->cache) {
-                    $this->cache->save($this->getTokenCacheKey(), $response['token'], self::TOKEN_CACHE_TIME);
-                }
+            if ($this->logger && isset($response['error'])) {
+                $this->logger->error($response['error']['code'] . ' '. $response['error']['text']);
+            }
 
+            if (!isset($response['error'])) {
                 return $response['token'];
             }
         }
 
-
         return false;
     }
 
@@ -236,11 +222,7 @@ class AtolOnlineApi
             return $url;
         }
 
-        if ($this->getVersion() === self::API_VERSION_V4) {
-            return $url.'?token='.$token;
-        }
-
-        return $url.'?tokenid='.$token;
+        return $url.'?token='.$token;
     }
 
     /**
diff --git a/src/AtolOnlineClient/Configuration/Connection.php b/src/AtolOnlineClient/Configuration/Connection.php
index a150190..9333ae2 100644
--- a/src/AtolOnlineClient/Configuration/Connection.php
+++ b/src/AtolOnlineClient/Configuration/Connection.php
@@ -25,7 +25,6 @@ class Connection
     ];
 
     const versions = [
-        AtolOnlineApi::API_VERSION_V3,
         AtolOnlineApi::API_VERSION_V4,
     ];
 
@@ -45,7 +44,7 @@ class Connection
     public $sno;
 
     /** @var string */
-    public $version = AtolOnlineApi::API_VERSION_V3;
+    public $version = AtolOnlineApi::API_VERSION_V4;
 
     /** @var bool */
     public $testMode = false;
@@ -53,7 +52,7 @@ class Connection
     /**
      * @return bool
      */
-    public function isTestMode()
+    public function isTestMode(): bool
     {
         return $this->testMode;
     }
@@ -61,7 +60,7 @@ class Connection
     /**
      * @param bool $testMode
      */
-    public function setTestMode(bool $testMode)
+    public function setTestMode(bool $testMode): void
     {
         $this->testMode = $testMode;
     }
@@ -85,7 +84,7 @@ class Connection
     /**
      * @param ClassMetadata $metadata
      */
-    public static function loadValidatorMetadata(ClassMetadata $metadata)
+    public static function loadValidatorMetadata(ClassMetadata $metadata): void
     {
         $metadata->addPropertyConstraint('login', new Assert\NotBlank());
         $metadata->addPropertyConstraint('pass', new Assert\NotBlank());
@@ -111,14 +110,6 @@ class Connection
         return $this->version;
     }
 
-    /**
-     * @return bool
-     */
-    public function isVersion3()
-    {
-        return $this->getVersion() === AtolOnlineApi::API_VERSION_V3;
-    }
-
     /**
      * @return bool
      */
diff --git a/src/AtolOnlineClient/Request/V3/PaymentReceiptRequest.php b/src/AtolOnlineClient/Request/V3/PaymentReceiptRequest.php
deleted file mode 100644
index f27cbdf..0000000
--- a/src/AtolOnlineClient/Request/V3/PaymentReceiptRequest.php
+++ /dev/null
@@ -1,129 +0,0 @@
-<?php
-
-namespace AtolOnlineClient\Request\V3;
-
-use JMS\Serializer\Annotation as Serializer;
-
-class PaymentReceiptRequest
-{
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("timestamp")
-     * @Serializer\Type("string")
-     */
-    private $timestamp;
-
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("external_id")
-     * @Serializer\Type("string")
-     */
-    private $externalId;
-
-    /**
-     * @var ServiceRequest
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("service")
-     * @Serializer\Type("AtolOnlineClient\Request\V3\ServiceRequest")
-     */
-    private $service;
-
-    /**
-     * @var ReceiptRequest
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("receipt")
-     * @Serializer\Type("AtolOnlineClient\Request\V3\ReceiptRequest")
-     */
-    private $receipt;
-
-    public function __construct()
-    {
-        $this->timestamp = (new \DateTime())->format('d.m.Y H:i:s');
-    }
-
-    /**
-     * @return string
-     */
-    public function getTimestamp()
-    {
-        return $this->timestamp;
-    }
-
-    /**
-     * @param string $timestamp
-     *
-     * @return $this
-     */
-    public function setTimestamp($timestamp)
-    {
-        $this->timestamp = $timestamp;
-
-        return $this;
-    }
-
-    /**
-     * @return string
-     */
-    public function getExternalId()
-    {
-        return $this->externalId;
-    }
-
-    /**
-     * @param string $externalId
-     *
-     * @return $this
-     */
-    public function setExternalId($externalId)
-    {
-        $this->externalId = $externalId;
-
-        return $this;
-    }
-
-    /**
-     * @return \AtolOnlineClient\Request\V3\ServiceRequest
-     */
-    public function getService()
-    {
-        return $this->service;
-    }
-
-    /**
-     * @param \AtolOnlineClient\Request\V3\ServiceRequest $service
-     *
-     * @return $this
-     */
-    public function setService($service)
-    {
-        $this->service = $service;
-
-        return $this;
-    }
-
-    /**
-     * @return ReceiptRequest
-     */
-    public function getReceipt()
-    {
-        return $this->receipt;
-    }
-
-    /**
-     * @param ReceiptRequest $receipt
-     *
-     * @return $this
-     */
-    public function setReceipt($receipt)
-    {
-        $this->receipt = $receipt;
-
-        return $this;
-    }
-}
diff --git a/src/AtolOnlineClient/Request/V3/ReceiptAttributesRequest.php b/src/AtolOnlineClient/Request/V3/ReceiptAttributesRequest.php
deleted file mode 100644
index 03fc56d..0000000
--- a/src/AtolOnlineClient/Request/V3/ReceiptAttributesRequest.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-namespace AtolOnlineClient\Request\V3;
-
-use JMS\Serializer\Annotation as Serializer;
-
-class ReceiptAttributesRequest
-{
-
-    /**
-     * @var string
-     *
-     * "enum": [
-     *   "osn",
-     *   "usn_income",
-     *   "usn_income_outcome",
-     *   "envd",
-     *   "esn",
-     *   "patent"
-     * ]
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("sno")
-     * @Serializer\Type("string")
-     */
-    private $sno;
-
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("email")
-     * @Serializer\Type("string")
-     */
-    private $email;
-
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("phone")
-     * @Serializer\Type("string")
-     */
-    private $phone;
-
-    /**
-     * ReceiptAttributesRequest constructor.
-     * @param string $email
-     * @param string $phone
-     */
-    public function __construct($email, $phone)
-    {
-        $this->email = $email;
-        if ($email == null) {
-            $this->email = '';
-        }
-
-        $this->phone = $phone;
-        if ($phone == null) {
-            $this->phone = '';
-        }
-    }
-
-    /**
-     * @return string
-     */
-    public function getSno()
-    {
-        return $this->sno;
-    }
-
-    /**
-     * @param string $sno
-     *
-     * @return $this
-     */
-    public function setSno($sno)
-    {
-        $this->sno = $sno;
-
-        return $this;
-    }
-
-    /**
-     * @return string
-     */
-    public function getEmail()
-    {
-        return $this->email;
-    }
-
-    /**
-     * @return string
-     */
-    public function getPhone()
-    {
-        return $this->phone;
-    }
-}
diff --git a/src/AtolOnlineClient/Request/V3/ReceiptItemRequest.php b/src/AtolOnlineClient/Request/V3/ReceiptItemRequest.php
deleted file mode 100644
index ed380a8..0000000
--- a/src/AtolOnlineClient/Request/V3/ReceiptItemRequest.php
+++ /dev/null
@@ -1,163 +0,0 @@
-<?php
-
-namespace AtolOnlineClient\Request\V3;
-
-use JMS\Serializer\Annotation as Serializer;
-
-class ReceiptItemRequest
-{
-
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("name")
-     * @Serializer\Type("string")
-     */
-    private $name;
-
-    /**
-     * @var float
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("price")
-     * @Serializer\Type("float")
-     */
-    private $price;
-
-    /**
-     * @var integer
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("quantity")
-     * @Serializer\Type("integer")
-     */
-    private $quantity;
-
-    /**
-     * @var float
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("sum")
-     * @Serializer\Type("float")
-     */
-    private $sum;
-
-    /**
-     * @var string
-     *
-     * "enum": [
-     *   "none",
-     *   "vat0",
-     *   "vat10",
-     *   "vat18",
-     *   "vat110",
-     *   "vat118"
-     * ]
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("tax")
-     * @Serializer\Type("string")
-     */
-    private $tax;
-
-    /**
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    /**
-     * @param string $name
-     *
-     * @return $this
-     */
-    public function setName($name)
-    {
-        $this->name = $name;
-
-        return $this;
-    }
-
-    /**
-     * @return float
-     */
-    public function getPrice()
-    {
-        return $this->price;
-    }
-
-    /**
-     * @param float $price
-     *
-     * @return $this
-     */
-    public function setPrice($price)
-    {
-        $this->price = $price;
-
-        return $this;
-    }
-
-    /**
-     * @return integer
-     */
-    public function getQuantity()
-    {
-        return $this->quantity;
-    }
-
-    /**
-     * @param int $quantity
-     *
-     * @return $this
-     */
-    public function setQuantity($quantity)
-    {
-        $this->quantity = $quantity;
-
-        return $this;
-    }
-
-    /**
-     * @return float
-     */
-    public function getSum()
-    {
-        return $this->sum;
-    }
-
-    /**
-     * @param float $sum
-     *
-     * @return $this
-     */
-    public function setSum($sum)
-    {
-        $this->sum = $sum;
-
-        return $this;
-    }
-
-    /**
-     * @return string
-     */
-    public function getTax()
-    {
-        return $this->tax;
-    }
-
-    /**
-     * @param string $tax
-     *
-     * @return $this
-     */
-    public function setTax($tax)
-    {
-        $this->tax = $tax;
-
-        return $this;
-    }
-}
diff --git a/src/AtolOnlineClient/Request/V3/ReceiptPaymentRequest.php b/src/AtolOnlineClient/Request/V3/ReceiptPaymentRequest.php
deleted file mode 100644
index 72e4ecf..0000000
--- a/src/AtolOnlineClient/Request/V3/ReceiptPaymentRequest.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-namespace AtolOnlineClient\Request\V3;
-
-use JMS\Serializer\Annotation as Serializer;
-
-class ReceiptPaymentRequest
-{
-    const TYPE_ELECTRON = 1;
-    const TYPE_PREPAY = 2;
-    const TYPE_CREDIT = 3;
-    const TYPE_OTHER = 4;
-
-    /**
-     * @var int
-     * "enum": 0..9
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("type")
-     * @Serializer\Type("integer")
-     */
-    private $type;
-
-    /**
-     * @var float
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("sum")
-     * @Serializer\Type("float")
-     */
-    private $sum;
-
-    /**
-     * @param int $type
-     * @param float $sum
-     */
-    public function __construct($type, $sum)
-    {
-        $this->type = $type;
-        $this->sum = $sum;
-    }
-
-
-    /**
-     * @return int
-     */
-    public function getType()
-    {
-        return $this->type;
-    }
-
-    /**
-     * @return float
-     */
-    public function getSum()
-    {
-        return $this->sum;
-    }
-}
diff --git a/src/AtolOnlineClient/Request/V3/ReceiptRequest.php b/src/AtolOnlineClient/Request/V3/ReceiptRequest.php
deleted file mode 100644
index 3dd6c0b..0000000
--- a/src/AtolOnlineClient/Request/V3/ReceiptRequest.php
+++ /dev/null
@@ -1,127 +0,0 @@
-<?php
-
-namespace AtolOnlineClient\Request\V3;
-
-use JMS\Serializer\Annotation as Serializer;
-
-class ReceiptRequest
-{
-
-    /**
-     * @var ReceiptAttributesRequest
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("attributes")
-     * @Serializer\Type("AtolOnlineClient\Request\V3\ReceiptAttributesRequest")
-     */
-    private $attributes;
-
-    /**
-     * @var ReceiptItemRequest[]
-     * "minItems": 1, "maxItems": 100,
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("items")
-     * @Serializer\Type("array<AtolOnlineClient\Request\V3\ReceiptItemRequest>")
-     */
-    private $items;
-
-    /**
-     * @var float
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("total")
-     * @Serializer\Type("float")
-     */
-    private $total;
-
-    /**
-     * @var \AtolOnlineClient\Request\V3\ReceiptPaymentRequest[]
-     * "minItems": 1, "maxItems": 10,
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("payments")
-     * @Serializer\Type("array<AtolOnlineClient\Request\V3\ReceiptPaymentRequest>")
-     */
-    private $payments;
-
-    /**
-     * @return ReceiptAttributesRequest
-     */
-    public function getAttributes()
-    {
-        return $this->attributes;
-    }
-
-    /**
-     * @param ReceiptAttributesRequest $attributes
-     *
-     * @return $this
-     */
-    public function setAttributes($attributes)
-    {
-        $this->attributes = $attributes;
-
-        return $this;
-    }
-
-    /**
-     * @return ReceiptItemRequest[]
-     */
-    public function getItems()
-    {
-        return $this->items;
-    }
-
-    /**
-     * @param ReceiptItemRequest[] $items
-     *
-     * @return $this
-     */
-    public function setItems($items)
-    {
-        $this->items = $items;
-
-        return $this;
-    }
-
-    /**
-     * @return float
-     */
-    public function getTotal()
-    {
-        return $this->total;
-    }
-
-    /**
-     * @param float $total
-     *
-     * @return $this
-     */
-    public function setTotal($total)
-    {
-        $this->total = $total;
-
-        return $this;
-    }
-
-    /**
-     * @return \AtolOnlineClient\Request\V3\ReceiptPaymentRequest[]
-     */
-    public function getPayments()
-    {
-        return $this->payments;
-    }
-
-    /**
-     * @param \AtolOnlineClient\Request\V3\ReceiptPaymentRequest[] $payments
-     *
-     * @return $this
-     */
-    public function setPayments($payments)
-    {
-        $this->payments = $payments;
-
-        return $this;
-    }
-}
diff --git a/src/AtolOnlineClient/Request/V3/ServiceRequest.php b/src/AtolOnlineClient/Request/V3/ServiceRequest.php
deleted file mode 100644
index 3a90989..0000000
--- a/src/AtolOnlineClient/Request/V3/ServiceRequest.php
+++ /dev/null
@@ -1,106 +0,0 @@
-<?php
-
-namespace AtolOnlineClient\Request\V3;
-
-use JMS\Serializer\Annotation as Serializer;
-
-class ServiceRequest
-{
-
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("inn")
-     * @Serializer\Type("string")
-     */
-    private $inn;
-
-    /**
-     * @var string
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("callback_url")
-     * @Serializer\Type("string")
-     */
-    private $callbackUrl;
-
-    /**
-     * @var string
-     * required
-     * @Serializer\Groups({"set", "get"})
-     * @Serializer\SerializedName("payment_address")
-     * @Serializer\Type("string")
-     */
-    private $paymentAddress;
-
-    /**
-     * Service constructor.
-     * @param string $inn
-     * @param string $paymentAddress
-     */
-    public function __construct($inn, $paymentAddress)
-    {
-        $this->inn = $inn;
-        $this->paymentAddress = $paymentAddress;
-    }
-
-    /**
-     * @return string
-     */
-    public function getCallbackUrl()
-    {
-        return $this->callbackUrl;
-    }
-
-    /**
-     * @param string $callbackUrl
-     *
-     * @return $this
-     */
-    public function setCallbackUrl($callbackUrl)
-    {
-        $this->callbackUrl = $callbackUrl;
-
-        return $this;
-    }
-
-    /**
-     * @return string
-     */
-    public function getInn()
-    {
-        return $this->inn;
-    }
-
-    /**
-     * @param string $inn
-     *
-     * @return $this
-     */
-    public function setInn($inn)
-    {
-        $this->inn = $inn;
-
-        return $this;
-    }
-
-    /**
-     * @return string
-     */
-    public function getPaymentAddress()
-    {
-        return $this->paymentAddress;
-    }
-
-    /**
-     * @param string $paymentAddress
-     *
-     * @return $this
-     */
-    public function setPaymentAddress($paymentAddress)
-    {
-        $this->paymentAddress = $paymentAddress;
-
-        return $this;
-    }
-}
diff --git a/src/AtolOnlineClient/Request/V4/ClientReceiptRequest.php b/src/AtolOnlineClient/Request/V4/ClientReceiptRequest.php
index 8113eae..422361b 100644
--- a/src/AtolOnlineClient/Request/V4/ClientReceiptRequest.php
+++ b/src/AtolOnlineClient/Request/V4/ClientReceiptRequest.php
@@ -7,12 +7,12 @@ use JMS\Serializer\Annotation as Serializer;
 /**
  * В запросе обязательно должно быть заполнено хотя бы одно из полей: email или phone.
  * Если заполнены оба поля, ОФД отправит электронный чек только на email.
+ * @Serializer\AccessType("public_method")
  */
 class ClientReceiptRequest
 {
     /**
-     * @var string
-     * required
+     * @var string|null
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("email")
      * @Serializer\Type("string")
@@ -20,8 +20,7 @@ class ClientReceiptRequest
     private $email;
 
     /**
-     * @var string
-     * required
+     * @var string|null
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("phone")
      * @Serializer\Type("string")
@@ -30,7 +29,7 @@ class ClientReceiptRequest
 
 
     /**
-     * @var string
+     * @var string|null
      *
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("name")
@@ -39,7 +38,7 @@ class ClientReceiptRequest
     private $name;
 
     /**
-     * @var string
+     * @var string|null
      *
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("inn")
@@ -47,56 +46,72 @@ class ClientReceiptRequest
      */
     private $inn;
 
-    public function __construct($email, $phone)
+    public function __construct(string $email = null, string $phone = null)
     {
         $this->email = $email;
         $this->phone = $phone;
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getEmail(): string
+    public function getEmail(): ?string
     {
         return $this->email;
     }
 
     /**
-     * @return string
+     * @param string|null $email
      */
-    public function getPhone(): string
+    public function setEmail(?string $email): void
+    {
+        $this->email = $email;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getPhone(): ?string
     {
         return $this->phone;
     }
 
     /**
-     * @return string
+     * @param string|null $phone
      */
-    public function getName(): string
+    public function setPhone(?string $phone): void
+    {
+        $this->phone = $phone;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getName(): ?string
     {
         return $this->name;
     }
 
     /**
-     * @param string $name
+     * @param string|null $name
      */
-    public function setName(string $name): void
+    public function setName(?string $name): void
     {
         $this->name = $name;
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getInn(): string
+    public function getInn(): ?string
     {
         return $this->inn;
     }
 
     /**
-     * @param string $inn
+     * @param string|null $inn
      */
-    public function setInn(string $inn): void
+    public function setInn(?string $inn): void
     {
         $this->inn = $inn;
     }
diff --git a/src/AtolOnlineClient/Request/V4/CompanyReceiptRequest.php b/src/AtolOnlineClient/Request/V4/CompanyReceiptRequest.php
index 881e4eb..e9f84f5 100644
--- a/src/AtolOnlineClient/Request/V4/CompanyReceiptRequest.php
+++ b/src/AtolOnlineClient/Request/V4/CompanyReceiptRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class CompanyReceiptRequest
 {
     /**
@@ -16,7 +19,7 @@ class CompanyReceiptRequest
     private $email;
 
     /**
-     * @var string
+     * @var string|null
      * Поле необязательно, если у организации один тип налогообложения
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("sno")
@@ -59,17 +62,17 @@ class CompanyReceiptRequest
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getSno(): string
+    public function getSno(): ?string
     {
         return $this->sno;
     }
 
     /**
-     * @param string $sno
+     * @param string|null $sno
      */
-    public function setSno(string $sno): void
+    public function setSno(?string $sno): void
     {
         $this->sno = $sno;
     }
diff --git a/src/AtolOnlineClient/Request/V4/PaymentReceiptRequest.php b/src/AtolOnlineClient/Request/V4/PaymentReceiptRequest.php
index d164044..881fd0b 100644
--- a/src/AtolOnlineClient/Request/V4/PaymentReceiptRequest.php
+++ b/src/AtolOnlineClient/Request/V4/PaymentReceiptRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class PaymentReceiptRequest
 {
     /**
@@ -44,7 +47,6 @@ class PaymentReceiptRequest
     private $service;
 
 
-
     public function __construct()
     {
         $this->timestamp = (new \DateTime())->format('d.m.Y H:i:s');
@@ -90,6 +92,14 @@ class PaymentReceiptRequest
         return $this->timestamp;
     }
 
+    /**
+     * @param string $timestamp
+     */
+    public function setTimestamp(string $timestamp): void
+    {
+        $this->timestamp = $timestamp;
+    }
+
     /**
      * @return ServiceRequest
      */
diff --git a/src/AtolOnlineClient/Request/V4/ReceiptItemRequest.php b/src/AtolOnlineClient/Request/V4/ReceiptItemRequest.php
index 7bedb5e..844da91 100644
--- a/src/AtolOnlineClient/Request/V4/ReceiptItemRequest.php
+++ b/src/AtolOnlineClient/Request/V4/ReceiptItemRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class ReceiptItemRequest
 {
 
@@ -68,7 +71,7 @@ class ReceiptItemRequest
     private $sum;
 
     /**
-     * @var string
+     * @var string|null
      *
      * required
      * @Serializer\Groups({"set", "get"})
@@ -88,7 +91,7 @@ class ReceiptItemRequest
      * «partial_payment» – частичный расчет и кредит. Частичная оплата предмета расчета в момент его передачи с последующей оплатой в кредит.
      * «credit» – передача в кредит. Передача предмета расчета без его оплаты в момент его передачи с последующей оплатой в кредит.
      * «credit_payment» – оплата кредита. Оплата предмета расчета после его передачи с оплатой в кредит (оплата кредита).
-     * @var string
+     * @var string|null
      *
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("payment_method")
@@ -113,7 +116,7 @@ class ReceiptItemRequest
      *  «composite» – составной предмет расчета. О предмете расчета, состоящем из предметов, каждому из которых может быть присвоено значение выше перечисленных признаков.
      *  «another» – иной предмет расчета. О предмете расчета, не относящемуся к выше перечисленным предметам расчета
      *
-     * @var string
+     * @var string|null
      *
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("payment_object")
@@ -132,7 +135,7 @@ class ReceiptItemRequest
     private $vat;
 
     /**
-     * @var string
+     * @var string|null
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("nomenclature_code")
      * @Serializer\Type("string")
@@ -204,49 +207,49 @@ class ReceiptItemRequest
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getMeasurementUnit(): string
+    public function getMeasurementUnit(): ?string
     {
         return $this->measurementUnit;
     }
 
     /**
-     * @param string $measurementUnit
+     * @param string|null $measurementUnit
      */
-    public function setMeasurementUnit(string $measurementUnit): void
+    public function setMeasurementUnit(?string $measurementUnit): void
     {
         $this->measurementUnit = $measurementUnit;
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getPaymentMethod(): string
+    public function getPaymentMethod(): ?string
     {
         return $this->paymentMethod;
     }
 
     /**
-     * @param string $paymentMethod
+     * @param string|null $paymentMethod
      */
-    public function setPaymentMethod(string $paymentMethod): void
+    public function setPaymentMethod(?string $paymentMethod): void
     {
         $this->paymentMethod = $paymentMethod;
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getPaymentObject(): string
+    public function getPaymentObject(): ?string
     {
         return $this->paymentObject;
     }
 
     /**
-     * @param string $paymentObject
+     * @param string|null $paymentObject
      */
-    public function setPaymentObject(string $paymentObject): void
+    public function setPaymentObject(?string $paymentObject): void
     {
         $this->paymentObject = $paymentObject;
     }
@@ -268,17 +271,17 @@ class ReceiptItemRequest
     }
 
     /**
-     * @return string
+     * @return string|null
      */
-    public function getNomenclatureCode(): string
+    public function getNomenclatureCode(): ?string
     {
         return $this->nomenclatureCode;
     }
 
     /**
-     * @param string $nomenclatureCode
+     * @param string|null $nomenclatureCode
      */
-    public function setNomenclatureCode(string $nomenclatureCode): void
+    public function setNomenclatureCode(?string $nomenclatureCode): void
     {
         $this->nomenclatureCode = $nomenclatureCode;
     }
diff --git a/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php b/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php
index cbc7314..9ad48fb 100644
--- a/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php
+++ b/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class ReceiptPaymentRequest
 {
     const TYPE_ELECTRON = 1;
@@ -49,6 +52,14 @@ class ReceiptPaymentRequest
         return $this->type;
     }
 
+    /**
+     * @param int $type
+     */
+    public function setType(int $type): void
+    {
+        $this->type = $type;
+    }
+
     /**
      * @return float
      */
@@ -56,4 +67,12 @@ class ReceiptPaymentRequest
     {
         return $this->sum;
     }
+
+    /**
+     * @param float $sum
+     */
+    public function setSum(float $sum): void
+    {
+        $this->sum = $sum;
+    }
 }
diff --git a/src/AtolOnlineClient/Request/V4/ReceiptRequest.php b/src/AtolOnlineClient/Request/V4/ReceiptRequest.php
index 50cf51f..32365a6 100644
--- a/src/AtolOnlineClient/Request/V4/ReceiptRequest.php
+++ b/src/AtolOnlineClient/Request/V4/ReceiptRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class ReceiptRequest
 {
 
diff --git a/src/AtolOnlineClient/Request/V4/ServiceRequest.php b/src/AtolOnlineClient/Request/V4/ServiceRequest.php
index d1ef881..957c4cb 100644
--- a/src/AtolOnlineClient/Request/V4/ServiceRequest.php
+++ b/src/AtolOnlineClient/Request/V4/ServiceRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class ServiceRequest
 {
 
diff --git a/src/AtolOnlineClient/Request/V4/VatReceiptRequest.php b/src/AtolOnlineClient/Request/V4/VatReceiptRequest.php
index e2b4cf8..6b485e5 100644
--- a/src/AtolOnlineClient/Request/V4/VatReceiptRequest.php
+++ b/src/AtolOnlineClient/Request/V4/VatReceiptRequest.php
@@ -4,6 +4,9 @@ namespace AtolOnlineClient\Request\V4;
 
 use JMS\Serializer\Annotation as Serializer;
 
+/**
+ * @Serializer\AccessType("public_method")
+ */
 class VatReceiptRequest
 {
     /**
@@ -12,9 +15,9 @@ class VatReceiptRequest
      *   "none",
      *   "vat0",
      *   "vat10",
-     *   "vat18",
+     *   "vat20",
      *   "vat110",
-     *   "vat118"
+     *   "vat120"
      * ]
      *
      * @var string
@@ -26,8 +29,8 @@ class VatReceiptRequest
     private $type;
 
     /**
-     * @var float
-     * required
+     * @var float|null
+     *
      * @Serializer\Groups({"set", "get"})
      * @Serializer\SerializedName("sum")
      * @Serializer\Type("float")
@@ -53,6 +56,14 @@ class VatReceiptRequest
         return $this->type;
     }
 
+    /**
+     * @param string $type
+     */
+    public function setType(string $type): void
+    {
+        $this->type = $type;
+    }
+
     /**
      * @return float
      */
@@ -60,4 +71,12 @@ class VatReceiptRequest
     {
         return $this->sum;
     }
+
+    /**
+     * @param float $sum
+     */
+    public function setSum(float $sum): void
+    {
+        $this->sum = $sum;
+    }
 }
diff --git a/tests/AtolOnlineClient/AtolOnlineApiTest.php b/tests/AtolOnlineClient/AtolOnlineApiTest.php
index 23b5af7..bad56d4 100644
--- a/tests/AtolOnlineClient/AtolOnlineApiTest.php
+++ b/tests/AtolOnlineClient/AtolOnlineApiTest.php
@@ -4,10 +4,8 @@ namespace AtolOnlineClient\AtolOnlineClient;
 
 use AtolOnlineClient\AtolOnline;
 use AtolOnlineClient\AtolOnlineApi;
+use AtolOnlineClient\AtolOnlineClient\Traits\PaymentReceiptRequestTrait;
 use AtolOnlineClient\Configuration\Connection;
-use AtolOnlineClient\Request\V4\PaymentReceiptRequest;
-use AtolOnlineClient\Request\V4\ReceiptRequest;
-use AtolOnlineClient\Request\V4\ServiceRequest;
 use Doctrine\Common\Cache\ArrayCache;
 use GuzzleHttp\Client;
 use GuzzleHttp\Exception\BadResponseException;
@@ -26,6 +24,8 @@ use Psr\Log\Test\TestLogger;
  */
 class AtolOnlineApiTest extends TestCase
 {
+    use PaymentReceiptRequestTrait;
+
     /**
      * @return void
      * @covers \AtolOnlineClient\AtolOnlineApi::__construct
@@ -40,8 +40,6 @@ class AtolOnlineApiTest extends TestCase
 
         $this->assertInstanceOf(AtolOnlineApi::class, $api);
 
-        $this->assertSame(AtolOnlineApi::API_VERSION_V3, $api->getVersion());
-
         $api->setVersion(AtolOnlineApi::API_VERSION_V4);
         $this->assertSame(AtolOnlineApi::API_VERSION_V4, $api->getVersion());
 
@@ -63,7 +61,7 @@ class AtolOnlineApiTest extends TestCase
             new Response(200, [], $this->getReportSuccessReportV4()),
         ];
 
-        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentRecepientRequest());
+        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentReceiptRequest());
 
         $response = $this->getApi($responses)->sell($request);
 
@@ -81,7 +79,7 @@ class AtolOnlineApiTest extends TestCase
             new Response(200, [], $this->getReportSuccessReportV4()),
         ];
 
-        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentRecepientRequest());
+        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentReceiptRequest());
 
         $response = $this->getApi($responses)->sellRefund($request);
 
@@ -208,34 +206,6 @@ class AtolOnlineApiTest extends TestCase
         $this->assertSame('fj45u923j59ju42395iu9423i59243u0', $this->callMethod($api, 'getToken'));
     }
 
-    /**
-     * @return void
-     * @covers \AtolOnlineClient\AtolOnlineApi::getToken
-     */
-    public function testGetTokenSuccessResponseV3(): void
-    {
-        $api = $this->getApi([new Response(200, [], $this->getTokenSuccessResponseV3())])->setVersion(AtolOnlineApi::API_VERSION_V3);
-
-        $this->assertSame('fj45u923j59ju42395iu9423i59243u0', $this->callMethod($api, 'getToken'));
-    }
-
-    /**
-     * @return void
-     * @covers \AtolOnlineClient\AtolOnlineApi::getToken
-     */
-    public function testGetTokenSuccessResponseV3WithCache(): void
-    {
-        $cache = new ArrayCache();
-
-        $api = $this->getApi([new Response(200, [], $this->getTokenSuccessResponseV3())])->setVersion(AtolOnlineApi::API_VERSION_V3);
-        $api->setCache($cache);
-
-        $this->assertSame('fj45u923j59ju42395iu9423i59243u0', $this->callMethod($api, 'getToken'));
-        $this->assertTrue($cache->contains($this->callMethod($api, 'getTokenCacheKey')));
-
-        $this->assertSame('fj45u923j59ju42395iu9423i59243u0', $this->callMethod($api, 'getToken'));
-    }
-
     /**
      * @return void
      * @covers \AtolOnlineClient\AtolOnlineApi::buildUrl
@@ -245,7 +215,6 @@ class AtolOnlineApiTest extends TestCase
         $args = ['operation' => 'test'];
 
         $this->assertSame('https://online.atol.ru/possystem/v4/group/test', $this->callMethod($this->getApi(), 'buildUrl', $args));
-        $this->assertSame('https://online.atol.ru/possystem/v3/group/test', $this->callMethod($this->getApi()->setVersion(AtolOnlineApi::API_VERSION_V3), 'buildUrl', $args));
     }
 
     /**
@@ -257,7 +226,6 @@ class AtolOnlineApiTest extends TestCase
         $args = ['operation' => 'test', 'token' => 'test'];
 
         $this->assertSame('https://online.atol.ru/possystem/v4/group/test?token=test', $this->callMethod($this->getApi(), 'buildUrl', $args));
-        $this->assertSame('https://online.atol.ru/possystem/v3/group/test?tokenid=test', $this->callMethod($this->getApi()->setVersion(AtolOnlineApi::API_VERSION_V3), 'buildUrl', $args));
     }
 
     /**
@@ -271,7 +239,7 @@ class AtolOnlineApiTest extends TestCase
             new Response(200, [], $this->getTokenSuccessResponseV4())
         ];
 
-        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentRecepientRequest());
+        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentReceiptRequest());
 
         $response = $this->callMethod($this->getApi($responses), 'sendOperationRequest', [
             'operation' => 'sell',
@@ -294,7 +262,7 @@ class AtolOnlineApiTest extends TestCase
             new Response(200, [], $this->getTokenSuccessResponseV4()),
         ];
 
-        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentRecepientRequest());
+        $request = (new AtolOnline())->serializeOperationRequest($this->getPaymentReceiptRequest());
 
         $api = $this->getApi($responses);
         $api->setCache(new ArrayCache());
@@ -338,7 +306,6 @@ class AtolOnlineApiTest extends TestCase
     public function testGetTokenCacheKey(): void
     {
         $this->assertSame('crm_fiscal_atol_online_token_68526766e6751745b52ae70b7bd3c6fe_v4', $this->callMethod($this->getApi(), 'getTokenCacheKey'));
-        $this->assertSame('crm_fiscal_atol_online_token_68526766e6751745b52ae70b7bd3c6fe_v3', $this->callMethod($this->getApi()->setVersion(AtolOnlineApi::API_VERSION_V3), 'getTokenCacheKey'));
     }
 
     /**
@@ -410,17 +377,6 @@ class AtolOnlineApiTest extends TestCase
         return $property->getValue($object);
     }
 
-    /**
-     * @return false|string
-     */
-    private function getTokenSuccessResponseV3()
-    {
-        return json_encode([
-            'token' => 'fj45u923j59ju42395iu9423i59243u0',
-            'code' => 1,
-        ]);
-    }
-
     /**
      * @return false|string
      */
@@ -456,24 +412,4 @@ class AtolOnlineApiTest extends TestCase
     {
         return file_get_contents(__DIR__.'/../fixtures/success_response_v4_3.json');
     }
-
-    /**
-     * @return PaymentReceiptRequest
-     */
-    private function getPaymentRecepientRequest(): PaymentReceiptRequest
-    {
-        $service = new ServiceRequest();
-        $service->setCallbackUrl('test.local');
-
-        $receipt = new ReceiptRequest();
-        $receipt->setTotal('100');
-
-        /** @var PaymentReceiptRequest $request */
-        $request = new PaymentReceiptRequest();
-        $request->setExternalId('test');
-        $request->setService($service);
-        $request->setReceipt($receipt);
-
-        return $request;
-    }
 }
diff --git a/tests/AtolOnlineClient/AtolOnlineTest.php b/tests/AtolOnlineClient/AtolOnlineTest.php
index bbdc577..0199f30 100644
--- a/tests/AtolOnlineClient/AtolOnlineTest.php
+++ b/tests/AtolOnlineClient/AtolOnlineTest.php
@@ -3,12 +3,10 @@
 namespace AtolOnlineClient\Tests;
 
 use AtolOnlineClient\AtolOnline;
+use AtolOnlineClient\AtolOnlineClient\Traits\PaymentReceiptRequestTrait;
 use AtolOnlineClient\Configuration\Connection;
 use AtolOnlineClient\ConfigurationInterface;
 use AtolOnlineClient\Exception\InvalidResponseException;
-use AtolOnlineClient\Request\V4\PaymentReceiptRequest;
-use AtolOnlineClient\Request\V4\ReceiptRequest;
-use AtolOnlineClient\Request\V4\ServiceRequest;
 use GuzzleHttp\Client;
 use JMS\Serializer\Exception\RuntimeException;
 use JMS\Serializer\SerializerInterface;
@@ -16,6 +14,8 @@ use PHPUnit\Framework\TestCase;
 
 class AtolOnlineTest extends TestCase
 {
+    use PaymentReceiptRequestTrait;
+
     /**
      * @var AtolOnline
      */
@@ -127,6 +127,7 @@ class AtolOnlineTest extends TestCase
      * @param string|null $message
      * @param string $html
      * @covers       \AtolOnlineClient\AtolOnline::createInvalidResponseException
+     * @covers       \AtolOnlineClient\Exception\InvalidResponseException
      * @dataProvider dataInvalidResponse
      */
     public function testCreateInvalidResponseException(?int $code, ?string $message, string $html): void
@@ -144,30 +145,24 @@ class AtolOnlineTest extends TestCase
 
     /**
      * @covers \AtolOnlineClient\AtolOnline::serializeOperationRequest
+     * @covers \AtolOnlineClient\Request\V4\ClientReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\CompanyReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\PaymentReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\ReceiptItemRequest
+     * @covers \AtolOnlineClient\Request\V4\ReceiptPaymentRequest
+     * @covers \AtolOnlineClient\Request\V4\ReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\ServiceRequest
+     * @covers \AtolOnlineClient\Request\V4\VatReceiptRequest
      */
     public function testSerializeOperationRequest(): void
     {
-        $service = new ServiceRequest();
-        $service->setCallbackUrl('test.local');
+        $request = $this->getPaymentReceiptRequest();
+        $request->setTimestamp('17.07.2019 10:14:22');
 
-        $receipt = new ReceiptRequest();
-        $receipt->setTotal('100');
-
-        /** @var PaymentReceiptRequest $paymentReceipt */
-        $paymentReceipt = new PaymentReceiptRequest();
-
-        $reflection = new \ReflectionClass($paymentReceipt);
-        $property = $reflection->getProperty('timestamp');
-        $property->setAccessible(true);
-        $property->setValue($paymentReceipt, 1);
-
-        $paymentReceipt->setExternalId('test');
-        $paymentReceipt->setService($service);
-        $paymentReceipt->setReceipt($receipt);
-
-        $request = $this->atol->serializeOperationRequest($paymentReceipt);
-
-        $this->assertEquals('{"external_id":"test","receipt":{"total":100},"timestamp":"1","service":{"callback_url":"test.local"}}', $request);
+        $this->assertEquals(
+            '{"external_id":"test","receipt":{"client":{"email":"test@test.local"},"company":{"email":"test@test.local","inn":"11111111","payment_address":"address"},"items":[{"name":"test item","price":100,"quantity":1,"sum":100,"measurement_unit":"kg","payment_method":"advance","payment_object":"agent_commission","vat":{"type":"vat20","sum":20},"nomenclature_code":"00"}],"payments":[{"type":0,"sum":100}],"vats":[{"type":"vat20","sum":20}],"total":100},"timestamp":"17.07.2019 10:14:22","service":{"callback_url":"test.local"}}',
+            $this->atol->serializeOperationRequest($request)
+        );
     }
 
     /**
@@ -214,7 +209,6 @@ class AtolOnlineTest extends TestCase
     public function dataErrorResponse(): array
     {
         return [
-            ['error_response_v3.json'],
             ['error_response_v4.json']
         ];
     }
diff --git a/tests/AtolOnlineClient/Configuration/ConnectionTest.php b/tests/AtolOnlineClient/Configuration/ConnectionTest.php
index 4947d09..674e60b 100644
--- a/tests/AtolOnlineClient/Configuration/ConnectionTest.php
+++ b/tests/AtolOnlineClient/Configuration/ConnectionTest.php
@@ -52,13 +52,9 @@ class ConnectionTest extends TestCase
      * @return void
      * @covers \AtolOnlineClient\Configuration\Connection::getVersion
      * @covers \AtolOnlineClient\Configuration\Connection::isVersion4
-     * @covers \AtolOnlineClient\Configuration\Connection::isVersion3
      */
     public function testVersion(): void
     {
-        $this->assertEquals(AtolOnlineApi::API_VERSION_V3, $this->connection->getVersion());
-        $this->assertTrue($this->connection->isVersion3());
-
         $this->connection->version = AtolOnlineApi::API_VERSION_V4;
         $this->assertTrue($this->connection->isVersion4());
     }
diff --git a/tests/AtolOnlineClient/Request/RequestTest.php b/tests/AtolOnlineClient/Request/RequestTest.php
new file mode 100644
index 0000000..59ba7db
--- /dev/null
+++ b/tests/AtolOnlineClient/Request/RequestTest.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace AtolOnlineClient\AtolOnlineClient\Response;
+
+use AtolOnlineClient\Request\V4\PaymentReceiptRequest;
+use JMS\Serializer\SerializerBuilder;
+use PHPUnit\Framework\TestCase;
+
+/**
+ */
+class RequestTest extends TestCase
+{
+    /**
+     * @return void
+     * @covers \AtolOnlineClient\Request\V4\ClientReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\CompanyReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\PaymentReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\ReceiptItemRequest
+     * @covers \AtolOnlineClient\Request\V4\ReceiptPaymentRequest
+     * @covers \AtolOnlineClient\Request\V4\ReceiptRequest
+     * @covers \AtolOnlineClient\Request\V4\ServiceRequest
+     * @covers \AtolOnlineClient\Request\V4\VatReceiptRequest
+     */
+    public function testRequest(): void
+    {
+        $serializer = SerializerBuilder::create()->build();
+
+        $request = '{
+  "external_id": "17052917561851307",
+  "receipt": {
+    "client": {
+      "name": "name",
+      "email": "kkt@kkt.ru",
+      "phone": "88002000600",
+      "inn": "111111111"
+    },
+    "company": {
+      "email": "chek@romashka.ru",
+      "sno": "osn",
+      "inn": "1234567891",
+      "payment_address": "http://magazin.ru/"
+    },
+    "items": [
+      {
+        "name": "колбаса Клинский Брауншвейгская с/к в/с ",
+        "price": 1000,
+        "quantity": 0.3,
+        "sum": 300,
+        "measurement_unit": "кг",
+        "payment_method": "full_payment",
+        "payment_object": "commodity",
+        "vat": {
+          "type": "vat18"
+        }
+      },
+      {
+        "name": "яйцоОкскоекуриноеС0 белое",
+        "price": 100,
+        "quantity": 1,
+        "sum": 100,
+        "measurement_unit": "Упаковка10 шт.",
+        "payment_method": "full_payment",
+        "payment_object": "commodity",
+        "vat": {
+          "type": "vat10"
+        }
+      }
+    ],
+    "payments": [
+      {
+        "type": 1,
+        "sum": 400
+      }
+    ],
+    "vats": [
+      {
+        "type": "vat18",
+        "sum": 45.76
+      },
+      {
+        "type": "vat10",
+        "sum": 9.09
+      }
+    ],
+    "total": 400
+  },
+  "service": {
+    "callback_url": "http://testtest"
+  },
+  "timestamp": "01.02.1713:45:00"
+}';
+
+        /** @var PaymentReceiptRequest $request */
+        $request = $serializer->deserialize(
+            $request,
+            PaymentReceiptRequest::class,
+            'json'
+        );
+
+        $this->assertSame('17052917561851307', $request->getExternalId());
+    }
+}
diff --git a/tests/AtolOnlineClient/Response/ResponseTest.php b/tests/AtolOnlineClient/Response/ResponseTest.php
index 6b71c30..60ee1d9 100644
--- a/tests/AtolOnlineClient/Response/ResponseTest.php
+++ b/tests/AtolOnlineClient/Response/ResponseTest.php
@@ -47,6 +47,7 @@ class ResponseTest extends TestCase
   "external_id": "TRF10601_1",
   "callback_url": ""
 }';
+        /** @var OperationResponse $response */
         $response = $serializer->deserialize(
             $response,
             OperationResponse::class,
@@ -58,6 +59,6 @@ class ResponseTest extends TestCase
             'json'
         );
 
-        $this->assertTrue(true);
+        $this->assertSame('4355', $response->getUuid());
     }
 }
diff --git a/tests/AtolOnlineClient/Traits/PaymentReceiptRequestTrait.php b/tests/AtolOnlineClient/Traits/PaymentReceiptRequestTrait.php
new file mode 100644
index 0000000..e3d48fc
--- /dev/null
+++ b/tests/AtolOnlineClient/Traits/PaymentReceiptRequestTrait.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace AtolOnlineClient\AtolOnlineClient\Traits;
+
+use AtolOnlineClient\Request\V4\ClientReceiptRequest;
+use AtolOnlineClient\Request\V4\CompanyReceiptRequest;
+use AtolOnlineClient\Request\V4\PaymentReceiptRequest;
+use AtolOnlineClient\Request\V4\ReceiptItemRequest;
+use AtolOnlineClient\Request\V4\ReceiptPaymentRequest;
+use AtolOnlineClient\Request\V4\ReceiptRequest;
+use AtolOnlineClient\Request\V4\ServiceRequest;
+use AtolOnlineClient\Request\V4\VatReceiptRequest;
+
+trait PaymentReceiptRequestTrait
+{
+    /**
+     * @return PaymentReceiptRequest
+     */
+    protected function getPaymentReceiptRequest(): PaymentReceiptRequest
+    {
+        $service = new ServiceRequest();
+        $service->setCallbackUrl('test.local');
+
+        $client = new ClientReceiptRequest('test@test.local');
+
+        $company = new CompanyReceiptRequest();
+        $company->setEmail('test@test.local');
+        $company->setInn('11111111');
+        $company->setPaymentAddress('address');
+
+        $item = new ReceiptItemRequest();
+        $item->setName('test item');
+        $item->setPrice(100);
+        $item->setQuantity(1);
+        $item->setSum(100);
+        $item->setMeasurementUnit('kg');
+        $item->setPaymentMethod(ReceiptItemRequest::PAYMENT_METHOD_ADVANCE);
+        $item->setPaymentObject(ReceiptItemRequest::PAYMENT_OBJECT_AGENT_COMMISSION);
+        $item->setVat(new VatReceiptRequest('vat20', 20));
+        $item->setNomenclatureCode('00');
+
+        $receipt = new ReceiptRequest();
+        $receipt->setTotal('100');
+        $receipt->setClient($client);
+        $receipt->setCompany($company);
+        $receipt->setItems([$item]);
+        $receipt->setPayments([new ReceiptPaymentRequest(0, 100)]);
+        $receipt->setVats([new VatReceiptRequest('vat20', 20)]);
+
+        /** @var PaymentReceiptRequest $request */
+        $request = new PaymentReceiptRequest();
+        $request->setExternalId('test');
+        $request->setService($service);
+        $request->setReceipt($receipt);
+
+        return $request;
+    }
+}