diff --git a/src/Id/Concerns/HasBillable.php b/src/Id/Concerns/HasBillable.php
index 1690854..a0e1e10 100644
--- a/src/Id/Concerns/HasBillable.php
+++ b/src/Id/Concerns/HasBillable.php
@@ -2,21 +2,18 @@
 
 namespace Anikeen\Id\Concerns;
 
-use Anikeen\Id\Contracts\Billable;
-use Illuminate\Database\Eloquent\Model;
-
 trait HasBillable
 {
-    protected Billable|Model $billable;
+    public mixed $billable;
 
-    public function setBillable(Billable|Model $billable): self
+    public function setBillable(mixed $billable): self
     {
         $this->billable = $billable;
 
         return $this;
     }
 
-    public function getBillable(): Billable|Model
+    public function getBillable(): mixed
     {
         return $this->billable;
     }
diff --git a/src/Id/Concerns/HasParent.php b/src/Id/Concerns/HasParent.php
index 844e4d5..afb3730 100644
--- a/src/Id/Concerns/HasParent.php
+++ b/src/Id/Concerns/HasParent.php
@@ -6,7 +6,7 @@ trait HasParent
 {
     protected mixed $parent;
 
-    public function setParent($parent): self
+    public function setParent(mixed $parent): self
     {
         $this->parent = $parent;
 
diff --git a/src/Id/Concerns/MagicProperties.php b/src/Id/Concerns/MagicProperties.php
index 623e7c9..9e476a6 100644
--- a/src/Id/Concerns/MagicProperties.php
+++ b/src/Id/Concerns/MagicProperties.php
@@ -9,7 +9,7 @@ trait MagicProperties
     protected function setMagicProperties(stdClass $data): void
     {
         foreach ($data as $key => $value) {
-            if (property_exists($this, $key)) {
+            if (!property_exists($this, $key)) {
                 $this->{$key} = $value;
             }
         }
diff --git a/src/Id/Contracts/Billable.php b/src/Id/Contracts/Billable.php
deleted file mode 100644
index 2382d39..0000000
--- a/src/Id/Contracts/Billable.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-namespace Anikeen\Id\Contracts;
-
-use Anikeen\Id\Exceptions\RequestRequiresClientIdException;
-use Anikeen\Id\Helpers\Paginator;
-use Anikeen\Id\Result;
-use GuzzleHttp\Exception\GuzzleException;
-use stdClass;
-
-interface Billable
-{
-    /**
-     * Get the user data of the billable.
-     *
-     * @throws RequestRequiresClientIdException
-     * @throws GuzzleException
-     */
-    public function getUserData(): ?stdClass;
-
-    /**
-     * Send a request to the API.
-     *
-     * @throws RequestRequiresClientIdException
-     * @throws GuzzleException
-     */
-    public function request(string $method, string $path, null|array $payload = null, array $parameters = [], ?Paginator $paginator = null): Result;
-}
\ No newline at end of file
diff --git a/src/Id/Resources/Address.php b/src/Id/Resources/Address.php
index c5c84ab..65cd491 100644
--- a/src/Id/Resources/Address.php
+++ b/src/Id/Resources/Address.php
@@ -4,6 +4,7 @@ namespace Anikeen\Id\Resources;
 
 use Anikeen\Id\Concerns\HasBillable;
 use Anikeen\Id\Exceptions\RequestRequiresClientIdException;
+use Anikeen\Id\Result;
 use GuzzleHttp\Exception\GuzzleException;
 
 /**
diff --git a/src/Id/Resources/BaseCollection.php b/src/Id/Resources/BaseCollection.php
index 3b0993d..260990e 100644
--- a/src/Id/Resources/BaseCollection.php
+++ b/src/Id/Resources/BaseCollection.php
@@ -2,9 +2,7 @@
 
 namespace Anikeen\Id\Resources;
 
-use Anikeen\Id\Exceptions\RequestRequiresClientIdException;
 use Anikeen\Id\Result;
-use GuzzleHttp\Exception\GuzzleException;
 use JsonSerializable;
 
 abstract class BaseCollection implements JsonSerializable
@@ -19,7 +17,7 @@ abstract class BaseCollection implements JsonSerializable
      */
     public function toArray(): array
     {
-        return (array) $this->result;
+        return (array)$this->result->data;
     }
 
     /**
@@ -32,20 +30,14 @@ abstract class BaseCollection implements JsonSerializable
 
     /**
      * Returns the collection of resources.
-     *
-     * @throws RequestRequiresClientIdException
-     * @throws GuzzleException
      */
-    public function get(): Result
+    public function paginate(): Result
     {
         return $this->result;
     }
 
     /**
      * Returns the Resource based on the ID.
-     *
-     * @throws RequestRequiresClientIdException
-     * @throws GuzzleException
      */
     abstract public function find(string $id): ?BaseResource;
 }
\ No newline at end of file
diff --git a/src/Id/Resources/BaseResource.php b/src/Id/Resources/BaseResource.php
index af2ec5c..e28e708 100644
--- a/src/Id/Resources/BaseResource.php
+++ b/src/Id/Resources/BaseResource.php
@@ -4,9 +4,8 @@ namespace Anikeen\Id\Resources;
 
 use Anikeen\Id\Concerns\MagicProperties;
 use Anikeen\Id\Result;
-use JsonSerializable;
 
-abstract class BaseResource implements JsonSerializable
+abstract class BaseResource
 {
     use MagicProperties;
 
@@ -14,20 +13,4 @@ abstract class BaseResource implements JsonSerializable
     {
         $this->setMagicProperties($this->result->data);
     }
-
-    /**
-     * Returns the collection of resources as an array.
-     */
-    public function toArray(): array
-    {
-        return (array) $this->result->data;
-    }
-
-    /**
-     * Returns the collection of resources as a JSON string.
-     */
-    public function jsonSerialize(): array
-    {
-        return $this->toArray();
-    }
 }
\ No newline at end of file