diff --git a/src/Client.php b/src/Client.php
index 86b7a0b..a143527 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -48,6 +48,13 @@ class Client
         return json_decode($data->getBody()->getContents(), true);
     }
 
+    public function put(string $url, array $data)
+    {
+        $this->client->put($url, [
+            RequestOptions::JSON => $data,
+        ]);
+    }
+
     public function get(string $url, array $parameters = []): array
     {
         $data = $this->client->get($url, [
diff --git a/src/GrocyClient.php b/src/GrocyClient.php
index 1ab794b..fcd2f0a 100644
--- a/src/GrocyClient.php
+++ b/src/GrocyClient.php
@@ -4,6 +4,10 @@
 namespace Ardent\GrocyApi;
 
 
+use Ardent\GrocyApi\Objects\AbstractApiObject;
+use Ardent\GrocyApi\Objects\ObjectTransformer;
+use Ardent\GrocyApi\Objects\ProductsObject;
+
 class GrocyClient
 {
     private Client $client;
@@ -13,23 +17,67 @@ class GrocyClient
         $this->client = new Client($host, $apikey);
     }
 
-    private function getObjects(string $object, array $query = [], $order = null, $limit = null, $offset = null)
+    /**
+     * @return AbstractApiObject[]
+     */
+    private function getObjects(string $entity, array $query = [], string $order = null, int $limit = null, int $offset = null)
     {
-        return $this->client->get(sprintf('objects/%s', $object), compact('order', 'limit', 'offset'));
+        $array = $this->client->get(sprintf('objects/%s', $entity), compact('order', 'limit', 'offset'));
+        $objects = [];
+        foreach ($array as $rawObject) {
+            $objects[] = ObjectTransformer::denormalize($rawObject, $entity);
+        }
+
+        return $objects;
     }
 
-    private function getObject(string $object, int $id)
+    private function getObject(string $entity, int $id): AbstractApiObject
     {
-        return $this->client->get(sprintf('%s/%s', $object, $id));
+        $rawObject = $this->client->get(sprintf('objects/%s/%s', $entity, $id));
+        return ObjectTransformer::denormalize($rawObject, $entity);
     }
 
-    public function getAllProducts()
+    private function setObject(string $entity, AbstractApiObject $object, int $id = null): void
+    {
+        $this->client->put(
+            sprintf('objects/%s/%s', $entity, $id),
+            ObjectTransformer::normalize($object)
+        );
+    }
+
+    /**
+     * @return int the id of the created object
+     */
+    private function addObject(string $entity, AbstractApiObject $object): int
+    {
+        $data = $this->client->post(
+            sprintf('objects/%s', $entity),
+            ObjectTransformer::normalize($object)
+        );
+        return $data['created_object_id'];
+        dd($data);
+    }
+
+    /**
+     * @return ProductsObject[]
+     */
+    public function getProducts(): array
     {
         return $this->getObjects('products');
     }
 
-    public function getProduct(int $id)
+    public function getProduct(int $id): ProductsObject
     {
-        $this->getObject('products', $id);
+        return $this->getObject('products', $id);
+    }
+
+    public function setProduct(ProductsObject $product, int $id): void
+    {
+        $this->setObject('products', $product, $id);
+    }
+
+    public function addProduct(ProductsObject $product): int
+    {
+        return $this->addObject('products', $product);
     }
 }
\ No newline at end of file
diff --git a/src/Objects/AbstractApiObject.php b/src/Objects/AbstractApiObject.php
index 1edc6d0..c8a2c48 100644
--- a/src/Objects/AbstractApiObject.php
+++ b/src/Objects/AbstractApiObject.php
@@ -6,15 +6,24 @@ namespace Ardent\GrocyApi\Objects;
 
 abstract class AbstractApiObject
 {
-    abstract static public function getType(): string;
-//
-//    static function validateObject(array $apiObject): ?self
-//    {
-//        if($apiObject['type'] === self::getType()) {
-//            return self::fromApi($apiObject);
-//        }
-//        return null;
-//    }
+    private int $id;
 
-    abstract static public function fromApi(array $apiObject): self;
+    /**
+     * @return int
+     */
+    public function getId(): int
+    {
+        return $this->id;
+    }
+
+    /**
+     * @param int $id
+     *
+     * @return ProductsObject
+     */
+    public function setId(int $id): ProductsObject
+    {
+        $this->id = $id;
+        return $this;
+    }
 }
\ No newline at end of file
diff --git a/src/Objects/ApiListTransformer.php b/src/Objects/ApiListTransformer.php
deleted file mode 100644
index 4fdc9bd..0000000
--- a/src/Objects/ApiListTransformer.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-class ApiListTransformer
-{
-
-    public static function getObjects(array $items): array
-    {
-        $objects = [];
-        foreach ($items as $item) {
-            $object = self::getObject($item);
-            if ($object) {
-                $objects[] = $object;
-            }
-        }
-        return $objects;
-    }
-
-    public static function getObject(mixed $item): mixed
-    {
-        $name = self::list($item['type']);
-        if ($name) {
-            /** @var AbstractApiObject $name */
-            return $name::fromApi($item);
-        } else {
-            return [];
-            printf('Unknown object with type "%s"' . PHP_EOL, $item['type']);
-            dd($item);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/ObjectTransformer.php b/src/Objects/ObjectTransformer.php
new file mode 100644
index 0000000..79563fe
--- /dev/null
+++ b/src/Objects/ObjectTransformer.php
@@ -0,0 +1,47 @@
+<?php
+
+
+namespace Ardent\GrocyApi\Objects;
+
+
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\Serializer\Encoder\JsonEncoder;
+use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
+use Symfony\Component\Serializer\Mapping\Loader\AnnotationLoader;
+use Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter;
+use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
+use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
+use Symfony\Component\Serializer\Serializer;
+
+class ObjectTransformer
+{
+    public function SerializeObjectToJsonResponse($object, $context = []): JsonResponse
+    {
+        $defaultContext = [
+            AbstractNormalizer::CIRCULAR_REFERENCE_HANDLER => function ($object, $format, $context) {
+                return $object->getId();
+            },
+        ];
+
+        $serializer = new Serializer([
+            new ObjectNormalizer(),
+        ], [new JsonEncoder()]);
+        $json = $serializer->serialize($object, 'json', $context);
+        return new JsonResponse($json, 200, [], true);
+    }
+
+    public static function denormalize($object, string $name): AbstractApiObject
+    {
+        return (new ObjectNormalizer())->denormalize($object, sprintf('%s\\%sObject', __NAMESPACE__, ucfirst($name)));
+    }
+
+    public static function normalize(AbstractApiObject $object): array
+    {
+        $classMetaDataFactory = new ClassMetadataFactory(new AnnotationLoader());
+
+        $serializer = new Serializer([
+            new ObjectNormalizer($classMetaDataFactory, new CamelCaseToSnakeCaseNameConverter()),
+        ]);
+        return $serializer->normalize($object);
+    }
+}
\ No newline at end of file
diff --git a/src/Objects/ProductsObject.php b/src/Objects/ProductsObject.php
new file mode 100644
index 0000000..db37ef8
--- /dev/null
+++ b/src/Objects/ProductsObject.php
@@ -0,0 +1,177 @@
+<?php
+
+namespace Ardent\GrocyApi\Objects;
+
+use Symfony\Component\Serializer\Annotation\Ignore;
+
+class ProductsObject extends AbstractApiObject
+{
+    private string $name;
+
+    private string $description;
+
+    private int $min_stock_amount = 0;
+
+    private int $location_id;
+
+    private int $qu_id_stock;
+
+    private int $qu_id_purchase;
+
+    private int $qu_factor_purchase_to_stock;
+
+    #[Ignore]
+    private array $userfields;
+
+    /**
+     * @return string
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     *
+     * @return ProductsObject
+     */
+    public function setName(string $name): ProductsObject
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
+
+    /**
+     * @param string $description
+     *
+     * @return ProductsObject
+     */
+    public function setDescription(string $description): ProductsObject
+    {
+        $this->description = $description;
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getMinStockAmount(): int
+    {
+        return $this->min_stock_amount;
+    }
+
+    /**
+     * @param int $min_stock_amount
+     *
+     * @return ProductsObject
+     */
+    public function setMinStockAmount(int $min_stock_amount): ProductsObject
+    {
+        $this->min_stock_amount = $min_stock_amount;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getUserfields(): array
+    {
+        return $this->userfields;
+    }
+
+    /**
+     * @param array $userfields
+     *
+     * @return ProductsObject
+     */
+    public function setUserfields(array $userfields): ProductsObject
+    {
+        $this->userfields = $userfields;
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getLocationId(): int
+    {
+        return $this->location_id;
+    }
+
+    /**
+     * @param int $location_id
+     *
+     * @return ProductsObject
+     */
+    public function setLocationId(int $location_id): ProductsObject
+    {
+        $this->location_id = $location_id;
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getQuIdStock(): int
+    {
+        return $this->qu_id_stock;
+    }
+
+    /**
+     * @param int $qu_id_stock
+     *
+     * @return ProductsObject
+     */
+    public function setQuIdStock(int $qu_id_stock): ProductsObject
+    {
+        $this->qu_id_stock = $qu_id_stock;
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getQuIdPurchase(): int
+    {
+        return $this->qu_id_purchase;
+    }
+
+    /**
+     * @param int $qu_id_purchase
+     *
+     * @return ProductsObject
+     */
+    public function setQuIdPurchase(int $qu_id_purchase): ProductsObject
+    {
+        $this->qu_id_purchase = $qu_id_purchase;
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function getQuFactorPurchaseToStock(): int
+    {
+        return $this->qu_factor_purchase_to_stock;
+    }
+
+    /**
+     * @param int $qu_factor_purchase_to_stock
+     *
+     * @return ProductsObject
+     */
+    public function setQuFactorPurchaseToStock(int $qu_factor_purchase_to_stock): ProductsObject
+    {
+        $this->qu_factor_purchase_to_stock = $qu_factor_purchase_to_stock;
+        return $this;
+    }
+}
\ No newline at end of file