diff --git a/README.md b/README.md
index cf68b44..4145443 100644
--- a/README.md
+++ b/README.md
@@ -22,28 +22,7 @@ na seção `require` do seu arquivo `composer.json`.
 
 ## Como Usar?
 ### Minimo para utilização
-#
-#### 1. Identificador único de cliente
-```php
-$sut = new CustomerIdentifierCreator($_ENV['ASAAS_API_KEY'], true);
-
-$customerAsaasId = $sut->generateCustomerIdentifier(new CustomerData(
-    name: 'Joãozinho Barbosa',
-    phone: '999999999',
-    cpfCnpj: '01234567890'
-));
-
-print_r($customerAsaasId);
-```
 
-#### Saída
-```
-[
-    'identifier' => 'cus_xxxxxxxx'
-]
-```
-#
-#### 2. Criar cobrança
 ```php
 use AstrotechLabs\AsaasSdk\AssasGateway;
 use AstrotechLabs\AsaasSdk\Enum\BillingTypes;
@@ -56,7 +35,11 @@ $asaasGateway = new AssasGateway(new AssasGatewayParams(
 ));
 
 $pixChargeResponse = $asaasGateway->createCharge(new PixData(
-    customer: 'cus_xxxxxxxx', // Identificador único de cliente
+    customer: new CustomerData(
+        name: 'Joãozinho Barbosa',
+        phone: '999999999',
+        cpfCnpj: '01234567890'
+    ),
     billingType: BillingTypes::PIX,
     value: 100.00,
     dueDate: "2023-12-20"
diff --git a/composer.json b/composer.json
index fc1a76b..ff93678 100644
--- a/composer.json
+++ b/composer.json
@@ -1,9 +1,16 @@
 {
     "name": "astrotechlabs/asaas-sdk",
     "description": "Pacote facilitador para integrações com Asaas Pagamento",
-    "type": "project",
-    "license": "BSD-3-Clause",
-    "minimum-stability": "stable",
+    "type": "sdk",
+    "license": "MIT",
+    "minimum-stability": "dev",
+    "keywords": [
+        "asaas",
+        "asaas-pix",
+        "asaas-payments",
+        "asaas-sdk",
+        "asaas-php"
+    ],
     "scripts": {
         "test": "XDEBUG_MODE=debug; phpunit --testdox --do-not-cache-result --configuration tests/phpunit.xml",
         "test:unit": "XDEBUG_MODE=debug; phpunit --do-not-cache-result --configuration tests/phpunit.xml --testdox --testsuite unit",
diff --git a/src/CreatePixCharge/Dto/PixData.php b/src/CreatePixCharge/Dto/PixData.php
index 2d961d7..ff756b4 100644
--- a/src/CreatePixCharge/Dto/PixData.php
+++ b/src/CreatePixCharge/Dto/PixData.php
@@ -4,12 +4,13 @@
 
 namespace AstrotechLabs\AsaasSdk\CreatePixCharge\Dto;
 
+use AstrotechLabs\AsaasSdk\CustomerIdentifierCreator\Dto\CustomerData;
 use AstrotechLabs\AsaasSdk\Enum\BillingTypes;
 
 final class PixData
 {
     public function __construct(
-        public readonly string $customer,
+        public readonly CustomerData $customer,
         public readonly BillingTypes $billingType,
         public readonly float $value,
         public readonly string $dueDate
diff --git a/src/CustomerIdentifierCreator/Dto/CustomerData.php b/src/CustomerIdentifierCreator/Dto/CustomerData.php
index f82673f..fbeabd5 100644
--- a/src/CustomerIdentifierCreator/Dto/CustomerData.php
+++ b/src/CustomerIdentifierCreator/Dto/CustomerData.php
@@ -10,6 +10,7 @@ public function __construct(
         public readonly string $name,
         public readonly string $phone,
         public readonly string $cpfCnpj,
+        public ?string $identifier = null,
         public readonly ?string $email = null,
         public readonly ?string $postalCode = null,
         public readonly ?string $address = null,
diff --git a/tests/Integration/CreatePixChargeGateway/CreateAsaasPixChargeGatewayTest.php b/tests/Integration/CreatePixChargeGateway/CreateAsaasPixChargeGatewayTest.php
index 0f53511..dec4fb8 100644
--- a/tests/Integration/CreatePixChargeGateway/CreateAsaasPixChargeGatewayTest.php
+++ b/tests/Integration/CreatePixChargeGateway/CreateAsaasPixChargeGatewayTest.php
@@ -4,6 +4,8 @@
 
 namespace Tests\Integration\CreatePixChargeGateway;
 
+use AstrotechLabs\AsaasSdk\CustomerIdentifierCreator\Dto\CustomerData;
+use DateTime;
 use Tests\TestCase;
 use AstrotechLabs\AsaasSdk\Enum\BillingTypes;
 use AstrotechLabs\AsaasSdk\CreatePixCharge\Dto\PixData;
@@ -35,16 +37,19 @@ public function testItShouldThrowAnExceptionWhenProvideInvalidCustomerIdentifier
     {
         $this->expectException(CreatePixChargeException::class);
         $this->expectExceptionCode(1001);
-        $this->expectExceptionMessage('Customer inválido ou não informado.');
 
         $sut = new CreatePixChargeGateway($_ENV['ASAAS_API_KEY'], true);
         $customerIdentifier = self::$faker->uuid;
 
         $response = $sut->createCharge(new PixData(
-            customer: $customerIdentifier,
+            customer: new CustomerData(
+                name: '',
+                phone: '',
+                cpfCnpj: '',
+            ),
             billingType: BillingTypes::PIX,
             value: 100.90,
-            dueDate: "2023-12-20"
+            dueDate: (new DateTime())->modify('+1 day')->format('Y-m-d')
         ));
     }
 
@@ -58,7 +63,11 @@ public function testItShouldThrowAnExceptionWhenProvideInvalidDueDate()
         $customerIdentifier = 'cus_000005797885';
 
         $response = $sut->createCharge(new PixData(
-            customer: $customerIdentifier,
+            customer: new CustomerData(
+                name: self::$faker->name,
+                phone: self::$faker->phoneNumber,
+                cpfCnpj: self::$faker->numerify('67981499011'),
+            ),
             billingType: BillingTypes::PIX,
             value: 100.90,
             dueDate: "2023-07-20"
@@ -68,14 +77,17 @@ public function testItShouldThrowAnExceptionWhenProvideInvalidDueDate()
     public function testItShouldCreatePaymentCharge()
     {
         $sut = new CreatePixChargeGateway($_ENV['ASAAS_API_KEY'], true);
-
-        $customerIdentifier = 'cus_000005797885';
+        $customer = new CustomerData(
+            name: self::$faker->name,
+            phone: self::$faker->phoneNumber,
+            cpfCnpj: self::$faker->numerify('67981499011'),
+        );
 
         $response = $sut->createCharge(new PixData(
-            customer: $customerIdentifier,
+            customer: $customer,
             billingType: BillingTypes::PIX,
             value: 100.90,
-            dueDate: "2023-12-20"
+            dueDate: "2023-12-30"
         ));
 
         $this->assertIsObject($response);
@@ -91,7 +103,6 @@ public function testItShouldCreatePaymentCharge()
         $this->assertArrayHasKey('status', $response->details);
         $this->assertSame($response->gatewayId, $response->details['id']);
         $this->assertSame($response->paymentUrl, $response->details['invoiceUrl']);
-        $this->assertSame($customerIdentifier, $response->details['customer']);
     }
 
     public function testItShouldThrowAnExceptionWhenTryGetQrCodeForInvalidOrNonExistentPayment()
diff --git a/tests/Integration/CustomerIdentifierCreator/CustomerIdentifierCreatorTest.php b/tests/Integration/CustomerIdentifierCreator/CustomerIdentifierCreatorTest.php
index 24a30a9..49e02d1 100644
--- a/tests/Integration/CustomerIdentifierCreator/CustomerIdentifierCreatorTest.php
+++ b/tests/Integration/CustomerIdentifierCreator/CustomerIdentifierCreatorTest.php
@@ -48,8 +48,6 @@ public function testItShouldCreateCustomerUniqueIdentifierWhenProvideOnlyRequire
             cpfCnpj: self::$faker->numerify('67981499011')
         ));
 
-        print_r($customerAsaasId);
-
         $this->assertNotEmpty($customerAsaasId->identifier);
         $this->assertStringContainsString('cus_', $customerAsaasId->identifier);
     }