diff --git a/src/Builders/ChargeBuilder.php b/src/Builders/ChargeBuilder.php
index 3fed51a..ecf7c0b 100644
--- a/src/Builders/ChargeBuilder.php
+++ b/src/Builders/ChargeBuilder.php
@@ -4,11 +4,14 @@
 
 use ChinLeung\Converge\Charge;
 use ChinLeung\Converge\Client;
+use ChinLeung\Converge\Concerns\HasCustomer;
 use ChinLeung\Converge\Contracts\Chargeable;
 use ChinLeung\Converge\Exceptions\CardException;
 
 class ChargeBuilder extends Builder
 {
+    use HasCustomer;
+
     /**
      * The chargeable for the transaction.
      *
@@ -56,13 +59,19 @@ public function chargeable(Chargeable $chargeable): self
      */
     public function create(): Charge
     {
-        $response = resolve(Client::class)->send('ccsale', array_merge(
+        $payload = array_merge(
             $this->chargeable->toPayload(),
             $this->options,
             [
                 'ssl_amount' => $this->amount / 100,
             ]
-        ));
+        );
+
+        if ($this->customer) {
+            $payload = array_merge($payload, $this->customer->toPayload());
+        }
+
+        $response = resolve(Client::class)->send('ccsale', $payload);
 
         if ($response->get('ssl_result') === '1') {
             throw new CardException($response->get('ssl_result_message'));
diff --git a/src/Builders/TokenBuilder.php b/src/Builders/TokenBuilder.php
index 01fe446..698566d 100644
--- a/src/Builders/TokenBuilder.php
+++ b/src/Builders/TokenBuilder.php
@@ -4,11 +4,13 @@
 
 use ChinLeung\Converge\Card;
 use ChinLeung\Converge\Client;
-use ChinLeung\Converge\Customer;
+use ChinLeung\Converge\Concerns\HasCustomer;
 use ChinLeung\Converge\Token;
 
 class TokenBuilder extends Builder
 {
+    use HasCustomer;
+
     /**
      * The card that should be used for the token.
      *
@@ -16,13 +18,6 @@ class TokenBuilder extends Builder
      */
     protected $card;
 
-    /**
-     * The customer of the card.
-     *
-     * @var \ChinLeung\Converge\Customer
-     */
-    protected $customer;
-
     /**
      * Set the card of the token.
      *
@@ -56,19 +51,6 @@ public function create(): Token
         return Token::make($response->get('ssl_token'));
     }
 
-    /**
-     * Set the customer of the token.
-     *
-     * @param  \ChinLeung\Converge\Customer  $customer
-     * @return self
-     */
-    public function customer(Customer $customer): self
-    {
-        $this->customer = $customer;
-
-        return $this;
-    }
-
     /**
      * Save the token.
      *
diff --git a/src/Concerns/HasCustomer.php b/src/Concerns/HasCustomer.php
new file mode 100644
index 0000000..537fddf
--- /dev/null
+++ b/src/Concerns/HasCustomer.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace ChinLeung\Converge\Concerns;
+
+use ChinLeung\Converge\Customer;
+
+trait HasCustomer
+{
+    /**
+     * The customer of the card.
+     *
+     * @var \ChinLeung\Converge\Customer
+     */
+    protected $customer;
+
+    /**
+     * Set the customer of the token.
+     *
+     * @param  \ChinLeung\Converge\Customer  $customer
+     * @return self
+     */
+    public function customer(Customer $customer): self
+    {
+        $this->customer = $customer;
+
+        return $this;
+    }
+}