diff --git a/src/Entities/AgentInfo.php b/src/Entities/AgentInfo.php
new file mode 100644
index 0000000..d311c3e
--- /dev/null
+++ b/src/Entities/AgentInfo.php
@@ -0,0 +1,168 @@
+<?php
+/*
+ * Copyright (c) 2020-2021 Антон Аксенов (Anthony Axenov)
+ *
+ * This code is licensed under MIT.
+ * Этот код распространяется по лицензии MIT.
+ * https://github.com/anthonyaxenov/atol-online/blob/master/LICENSE
+ */
+
+declare(strict_types = 1);
+
+namespace AtolOnline\Entities;
+
+use AtolOnline\Enums\AgentTypes;
+use AtolOnline\Exceptions\InvalidEnumValueException;
+
+/**
+ * Класс, описывающий данные агента
+ *
+ * @see https://online.atol.ru/files/API_atol_online_v4.pdf Документация, стр 26-28
+ */
+class AgentInfo extends Entity
+{
+    /**
+     * @var string|null Признак агента (1057)
+     */
+    protected ?string $type = null;
+
+    /**
+     * @var PayingAgent|null Платёжный агент
+     */
+    protected ?PayingAgent $paying_agent = null;
+
+    /**
+     * @var ReceivePaymentsOperator|null Оператор по приёму платежей
+     */
+    protected ?ReceivePaymentsOperator $receive_payments_operator = null;
+
+    /**
+     * @var MoneyTransferOperator|null Оператор перевода
+     */
+    protected ?MoneyTransferOperator $money_transfer_operator = null;
+
+    /**
+     * Конструктор
+     *
+     * @param string|null $type Признак агента (1057)
+     * @param PayingAgent|null $paying_agent Платёжный агент
+     * @param ReceivePaymentsOperator|null $receive_payments_operator Оператор по приёму платежей
+     * @param MoneyTransferOperator|null $money_transfer_operator Оператор перевода
+     * @throws InvalidEnumValueException
+     */
+    public function __construct(
+        ?string $type = null,
+        ?PayingAgent $paying_agent = null,
+        ?ReceivePaymentsOperator $receive_payments_operator = null,
+        ?MoneyTransferOperator $money_transfer_operator = null,
+    ) {
+        !is_null($type) && AgentTypes::isValid($type) && $this->setType($type);
+        !is_null($paying_agent) && $this->setPayingAgent($paying_agent);
+        !is_null($receive_payments_operator) && $this->setReceivePaymentsOperator($receive_payments_operator);
+        !is_null($money_transfer_operator) && $this->setMoneyTransferOperator($money_transfer_operator);
+    }
+
+    /**
+     * Возвращает установленный признак оператора
+     *
+     * @return string|null
+     */
+    public function getType(): ?string
+    {
+        return $this->type;
+    }
+
+    /**
+     * Устанавливает признак оператора
+     *
+     * @param string|null $type
+     * @return AgentInfo
+     */
+    public function setType(?string $type): AgentInfo
+    {
+        $this->type = $type;
+        return $this;
+    }
+
+    /**
+     * Взвращает установленного платёжного агента
+     *
+     * @return PayingAgent|null
+     */
+    public function getPayingAgent(): ?PayingAgent
+    {
+        return $this->paying_agent;
+    }
+
+    /**
+     * Устанавливает платёжного агента
+     *
+     * @param PayingAgent|null $paying_agent
+     * @return AgentInfo
+     */
+    public function setPayingAgent(?PayingAgent $paying_agent): AgentInfo
+    {
+        $this->paying_agent = $paying_agent;
+        return $this;
+    }
+
+    /**
+     * Возвращает установленного оператора по приёму платежей
+     *
+     * @return ReceivePaymentsOperator|null
+     */
+    public function getReceivePaymentsOperator(): ?ReceivePaymentsOperator
+    {
+        return $this->receive_payments_operator;
+    }
+
+    /**
+     * Устанавливает оператора по приёму платежей
+     *
+     * @param ReceivePaymentsOperator|null $receive_payments_operator
+     * @return AgentInfo
+     */
+    public function setReceivePaymentsOperator(?ReceivePaymentsOperator $receive_payments_operator): AgentInfo
+    {
+        $this->receive_payments_operator = $receive_payments_operator;
+        return $this;
+    }
+
+    /**
+     * Возвращает установленного оператора перевода
+     *
+     * @return MoneyTransferOperator|null
+     */
+    public function getMoneyTransferOperator(): ?MoneyTransferOperator
+    {
+        return $this->money_transfer_operator;
+    }
+
+    /**
+     * Устанавливает оператора перевода
+     *
+     * @param MoneyTransferOperator|null $money_transfer_operator
+     * @return AgentInfo
+     */
+    public function setMoneyTransferOperator(?MoneyTransferOperator $money_transfer_operator): AgentInfo
+    {
+        $this->money_transfer_operator = $money_transfer_operator;
+        return $this;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function jsonSerialize(): array
+    {
+        $json = [];
+        $this->getType() && $json['type'] = $this->getType();
+        $this->getPayingAgent()?->jsonSerialize() && $json['paying_agent'] = $this
+            ->getPayingAgent()->jsonSerialize();
+        $this->getReceivePaymentsOperator()?->jsonSerialize() && $json['receive_payments_operator'] = $this
+            ->getReceivePaymentsOperator()->jsonSerialize();
+        $this->getMoneyTransferOperator()?->jsonSerialize() && $json['money_transfer_operator'] = $this
+            ->getMoneyTransferOperator()->jsonSerialize();
+        return $json;
+    }
+}
diff --git a/tests/AtolOnline/Tests/BasicTestCase.php b/tests/AtolOnline/Tests/BasicTestCase.php
index a1e144d..3d1f26d 100644
--- a/tests/AtolOnline/Tests/BasicTestCase.php
+++ b/tests/AtolOnline/Tests/BasicTestCase.php
@@ -67,16 +67,16 @@ class BasicTestCase extends TestCase
      * Тестирует является ли объект приводимым к json-строке согласно схеме АТОЛ Онлайн
      *
      * @param Entity $entity
-     * @param array $json_structure
+     * @param array|null $json_structure
      * @covers \AtolOnline\Entities\Entity::jsonSerialize
      * @covers \AtolOnline\Entities\Entity::__toString
      */
-    public function assertAtolable(Entity $entity, array $json_structure = []): void
+    public function assertAtolable(Entity $entity, ?array $json_structure = null): void
     {
         $this->assertIsArray($entity->jsonSerialize());
         $this->assertIsString((string)$entity);
         $this->assertJson((string)$entity);
-        if ($json_structure) {
+        if (!is_null($json_structure)) {
             $this->assertEquals(json_encode($json_structure), (string)$entity);
         }
     }
diff --git a/tests/AtolOnline/Tests/Entities/AgentInfoTest.php b/tests/AtolOnline/Tests/Entities/AgentInfoTest.php
new file mode 100644
index 0000000..4c9e2ac
--- /dev/null
+++ b/tests/AtolOnline/Tests/Entities/AgentInfoTest.php
@@ -0,0 +1,118 @@
+<?php
+/*
+ * Copyright (c) 2020-2021 Антон Аксенов (Anthony Axenov)
+ *
+ * This code is licensed under MIT.
+ * Этот код распространяется по лицензии MIT.
+ * https://github.com/anthonyaxenov/atol-online/blob/master/LICENSE
+ */
+
+namespace AtolOnline\Tests\Entities;
+
+use AtolOnline\{
+    Entities\AgentInfo,
+    Entities\MoneyTransferOperator,
+    Entities\PayingAgent,
+    Entities\ReceivePaymentsOperator,
+    Enums\AgentTypes,
+    Exceptions\InvalidEnumValueException,
+    Exceptions\InvalidInnLengthException,
+    Exceptions\InvalidPhoneException,
+    Exceptions\TooLongPayingAgentOperationException,
+    Tests\BasicTestCase
+};
+
+/**
+ * Набор тестов для проверки работы класса агента
+ */
+class AgentInfoTest extends BasicTestCase
+{
+    /**
+     * Тестирует конструктор без передачи значений и корректное приведение к json
+     *
+     * @covers \AtolOnline\Entities\AgentInfo
+     * @covers \AtolOnline\Entities\AgentInfo::jsonSerialize
+     */
+    public function testConstructorWithoutArgs(): void
+    {
+        $this->assertAtolable(new AgentInfo(), []);
+    }
+
+    /**
+     * Тестирует конструктор с передачей значений и корректное приведение к json
+     *
+     * @covers \AtolOnline\Entities\AgentInfo
+     * @covers \AtolOnline\Entities\AgentInfo::jsonSerialize
+     * @covers \AtolOnline\Entities\AgentInfo::setType
+     * @covers \AtolOnline\Entities\AgentInfo::getType
+     * @covers \AtolOnline\Entities\AgentInfo::setPayingAgent
+     * @covers \AtolOnline\Entities\AgentInfo::getPayingAgent
+     * @covers \AtolOnline\Entities\PayingAgent::jsonSerialize
+     * @covers \AtolOnline\Entities\AgentInfo::setMoneyTransferOperator
+     * @covers \AtolOnline\Entities\AgentInfo::getMoneyTransferOperator
+     * @covers \AtolOnline\Entities\MoneyTransferOperator::jsonSerialize
+     * @covers \AtolOnline\Entities\AgentInfo::setReceivePaymentsOperator
+     * @covers \AtolOnline\Entities\AgentInfo::getReceivePaymentsOperator
+     * @covers \AtolOnline\Entities\ReceivePaymentsOperator::jsonSerialize
+     * @throws InvalidPhoneException
+     * @throws TooLongPayingAgentOperationException
+     * @throws InvalidInnLengthException
+     * @throws InvalidEnumValueException
+     */
+    public function testConstructorWithArgs(): void
+    {
+        $this->assertAtolable(new AgentInfo(null), []);
+        $this->assertAtolable(new AgentInfo(AgentTypes::ANOTHER), ['type' => AgentTypes::ANOTHER]);
+        $this->assertAtolable(new AgentInfo(paying_agent: new PayingAgent()), []);
+        $this->assertAtolable(new AgentInfo(money_transfer_operator: new MoneyTransferOperator()), []);
+        $this->assertAtolable(new AgentInfo(receive_payments_operator: new ReceivePaymentsOperator()), []);
+
+        $this->assertAtolable(new AgentInfo(
+            AgentTypes::ANOTHER,
+            new PayingAgent(),
+            new ReceivePaymentsOperator(),
+            new MoneyTransferOperator(),
+        ), ['type' => AgentTypes::ANOTHER]);
+
+        $this->assertAtolable(new AgentInfo(
+            AgentTypes::ANOTHER,
+            new PayingAgent('test', ['+79518888888']),
+            new ReceivePaymentsOperator(['+79519999999']),
+            new MoneyTransferOperator('MTO Name', '9876543210', 'London', ['+79517777777']),
+        ), [
+            'type' => AgentTypes::ANOTHER,
+            'paying_agent' => [
+                'operation' => 'test',
+                'phones' => [
+                    '+79518888888',
+                ],
+            ],
+            'receive_payments_operator' => [
+                'phones' => [
+                    '+79519999999',
+                ],
+            ],
+            'money_transfer_operator' => [
+                'name' => 'MTO Name',
+                'inn' => '9876543210',
+                'address' => 'London',
+                'phones' => [
+                    "+79517777777",
+                ],
+            ],
+        ]);
+    }
+
+    /**
+     * Тестирует исключение при некорректном типе
+     *
+     * @covers \AtolOnline\Entities\AgentInfo
+     * @covers \AtolOnline\Enums\AgentTypes::isValid
+     * @covers \AtolOnline\Exceptions\InvalidEnumValueException
+     */
+    public function testInvalidEnumValueException(): void
+    {
+        $this->expectException(InvalidEnumValueException::class);
+        new AgentInfo('qwerty');
+    }
+}