diff --git a/composer.json b/composer.json
index f7bf7f5..8acfbe3 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,8 @@
     "require": {
         "php": "^8.0",
         "ext-json": "*",
-        "guzzlehttp/guzzle": "^6.0"
+        "guzzlehttp/guzzle": "^6.0",
+        "symfony/serializer": "^5.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/GrocyClient.php b/src/GrocyClient.php
index 153d3cf..1ab794b 100644
--- a/src/GrocyClient.php
+++ b/src/GrocyClient.php
@@ -15,7 +15,7 @@ class GrocyClient
 
     private function getObjects(string $object, array $query = [], $order = null, $limit = null, $offset = null)
     {
-        return $this->client->get($object, compact('order', 'limit', 'offset'));
+        return $this->client->get(sprintf('objects/%s', $object), compact('order', 'limit', 'offset'));
     }
 
     private function getObject(string $object, int $id)
diff --git a/src/Objects/ApiListTransformer.php b/src/Objects/ApiListTransformer.php
index debd4c2..4fdc9bd 100644
--- a/src/Objects/ApiListTransformer.php
+++ b/src/Objects/ApiListTransformer.php
@@ -6,19 +6,6 @@ namespace Ardent\GrocyApi\Objects;
 
 class ApiListTransformer
 {
-    private static function list(string $type): ?string
-    {
-        return match ($type) {
-            Category::getType() => Category::class,
-            SingleArticle::getType() => SingleArticle::class,
-            SingleArticleDetails::getType() => SingleArticleDetails::class,
-            Order::getType() => Order::class,
-            OrderLine::getType() => OrderLine::class,
-            OrderArticle::getType() => OrderArticle::class,
-            Delivery::getType() => Delivery::class,
-            default => null,
-        };
-    }
 
     public static function getObjects(array $items): array
     {
diff --git a/src/Objects/Category.php b/src/Objects/Category.php
deleted file mode 100644
index c4b63f0..0000000
--- a/src/Objects/Category.php
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-class Category extends AbstractApiObject
-{
-    static public  function getType(): string
-    {
-        return 'CATEGORY';
-    }
-
-    /**
-     * Category constructor.
-     */
-    public function __construct(
-        private string $id,
-        private string $name,
-        private array $items,
-    )
-    {
-    }
-
-    static public function fromApi(array $apiObject): AbstractApiObject
-    {
-        return new self(
-            $apiObject['id'],
-            $apiObject['name'],
-            ApiListTransformer::getObjects($apiObject['items']),
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return string
-     */
-    public function getName(): string
-    {
-        return $this->name;
-    }
-
-    /**
-     * @return SingleArticle[]
-     */
-    public function getArticles(): array
-    {
-        return $this->items;
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/Delivery.php b/src/Objects/Delivery.php
deleted file mode 100644
index ea540f2..0000000
--- a/src/Objects/Delivery.php
+++ /dev/null
@@ -1,107 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-class Delivery extends AbstractApiObject
-{
-    /**
-     * Delivery constructor.
-     */
-    public function __construct(
-        private string $id,
-        private string $deliveryId,
-        private string $creationTime,
-        private array $slot,
-        private array $eta2,
-        private string $status,
-        private array $deliveryTime,
-        private array $orders,
-    )
-    {
-    }
-
-    static public function getType(): string
-    {
-        return 'DELIVERY';
-    }
-
-    static public function fromApi(array $apiObject): AbstractApiObject
-    {
-        return new self(
-            $apiObject['id'],
-            $apiObject['delivery_id'],
-            $apiObject['creation_time'],
-            $apiObject['slot'],
-            $apiObject['eta2'],
-            $apiObject['status'],
-            $apiObject['delivery_time'],
-            ApiListTransformer::getObjects($apiObject['orders']),
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return string
-     */
-    public function getDeliveryId(): string
-    {
-        return $this->deliveryId;
-    }
-
-    /**
-     * @return string
-     */
-    public function getCreationTime(): string
-    {
-        return $this->creationTime;
-    }
-
-    /**
-     * @return array
-     */
-    public function getSlot(): array
-    {
-        return $this->slot;
-    }
-
-    /**
-     * @return array
-     */
-    public function getEta2(): array
-    {
-        return $this->eta2;
-    }
-
-    /**
-     * @return string
-     */
-    public function getStatus(): string
-    {
-        return $this->status;
-    }
-
-    /**
-     * @return array
-     */
-    public function getDeliveryTime(): array
-    {
-        return $this->deliveryTime;
-    }
-
-    /**
-     * @return Order[]
-     */
-    public function getOrders(): array
-    {
-        return $this->orders;
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/Order.php b/src/Objects/Order.php
deleted file mode 100644
index 5ad8951..0000000
--- a/src/Objects/Order.php
+++ /dev/null
@@ -1,97 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-class Order extends AbstractApiObject
-{
-    /**
-     * Order constructor.
-     */
-    public function __construct(
-        private string $id,
-        private array $items,
-        private array $deliverySlots,
-        private array $selectedSlot,
-        private int $totalCount,
-        private int $totalPrice,
-        private int $checkoutTotalPrice,
-    )
-    {
-    }
-
-    static public function getType(): string
-    {
-        return 'ORDER';
-    }
-
-    static public function fromApi(array $apiObject): AbstractApiObject
-    {
-        return new self(
-            $apiObject['id'],
-            ApiListTransformer::getObjects($apiObject['items']),
-            $apiObject['delivery_slots'] ?? [],
-            $apiObject['selected_slot'] ?? [],
-            $apiObject['total_count'] ?? -1,
-            $apiObject['total_price'],
-            $apiObject['checkout_total_price'],
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return OrderLine[]
-     */
-    public function getItems(): array
-    {
-        return $this->items;
-    }
-
-    /**
-     * @return array
-     */
-    public function getDeliverySlots(): array
-    {
-        return $this->deliverySlots;
-    }
-
-    /**
-     * @return array
-     */
-    public function getSelectedSlot(): array
-    {
-        return $this->selectedSlot;
-    }
-
-    /**
-     * @return int
-     */
-    public function getTotalCount(): int
-    {
-        return $this->totalCount;
-    }
-
-    /**
-     * @return int
-     */
-    public function getTotalPrice(): int
-    {
-        return $this->totalPrice;
-    }
-
-    /**
-     * @return int
-     */
-    public function getCheckoutTotalPrice(): int
-    {
-        return $this->checkoutTotalPrice;
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/OrderArticle.php b/src/Objects/OrderArticle.php
deleted file mode 100644
index f8a425a..0000000
--- a/src/Objects/OrderArticle.php
+++ /dev/null
@@ -1,93 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-use Ardent\GrocyApi\Client;
-
-class OrderArticle extends AbstractApiObject
-{
-    /**
-     * OrderArticle constructor.
-     */
-    public function __construct(
-        private string $id,
-        private string $name,
-        private array $imageIds,
-        private string $unitQuantity,
-        private int $price,
-        private int $maxCount,
-    )
-    {
-    }
-
-    static public function getType(): string
-    {
-        return 'ORDER_ARTICLE';
-    }
-
-    static public function fromApi(array $apiObject): AbstractApiObject
-    {
-        return new self(
-            $apiObject['id'],
-            $apiObject['name'],
-            $apiObject['image_ids'],
-            $apiObject['unit_quantity'],
-            $apiObject['price'],
-            $apiObject['max_count'],
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return string
-     */
-    public function getName(): string
-    {
-        return $this->name;
-    }
-
-    /**
-     * @param string $size one of tiny/small/medium/large/extra-large
-     *
-     * @return string[]
-     */
-    public function getImageUrls(string $size = 'medium'): array
-    {
-        return array_map(function ($id) use ($size) {
-            return Client::getImageUri($id, $size);
-        }, $this->imageIds);
-    }
-
-    /**
-     * @return string
-     */
-    public function getUnitQuantity(): string
-    {
-        return $this->unitQuantity;
-    }
-
-    /**
-     * @return int
-     */
-    public function getPrice(): int
-    {
-        return $this->price;
-    }
-
-    /**
-     * @return int
-     */
-    public function getMaxCount(): int
-    {
-        return $this->maxCount;
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/OrderLine.php b/src/Objects/OrderLine.php
deleted file mode 100644
index bae75be..0000000
--- a/src/Objects/OrderLine.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-class OrderLine extends AbstractApiObject
-{
-    /**
-     * OrderLine constructor.
-     */
-    public function __construct(
-        private string $id,
-        private array $items,
-        private int $displayPrice,
-        private int $price,
-    )
-    {
-    }
-
-    static public function getType(): string
-    {
-        return 'ORDER_LINE';
-    }
-
-    static public function fromApi(array $apiObject): AbstractApiObject
-    {
-        dump($apiObject);
-        return new self(
-            $apiObject['id'],
-            ApiListTransformer::getObjects($apiObject['items']),
-            $apiObject['display_price'],
-            $apiObject['price'],
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return OrderArticle[]
-     */
-    public function getItems(): array
-    {
-        return $this->items;
-    }
-
-    /**
-     * @return int
-     */
-    public function getDisplayPrice(): int
-    {
-        return $this->displayPrice;
-    }
-
-    /**
-     * @return int
-     */
-    public function getPrice(): int
-    {
-        return $this->price;
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/SingleArticle.php b/src/Objects/SingleArticle.php
deleted file mode 100644
index f2149c8..0000000
--- a/src/Objects/SingleArticle.php
+++ /dev/null
@@ -1,124 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-use Ardent\GrocyApi\Client;
-
-class SingleArticle extends AbstractApiObject
-{
-    static public function getType(): string
-    {
-        return 'SINGLE_ARTICLE';
-    }
-
-    /**
-     * SingleArticle constructor.
-     */
-    public function __construct(
-        private string $id,
-        private string $name,
-        private int $price,
-        private int $displayPrice,
-        private string $imageId,
-        private int $maxCount,
-        private string $unitQuantity,
-        private string $unitQuantitySub,
-        private array $decorators,
-    )
-    {
-    }
-
-    static public function fromApi(array $apiObject): self
-    {
-        return new self(
-            $apiObject['id'],
-            $apiObject['name'],
-            $apiObject['price'] ?? 0,
-            $apiObject['display_price'],
-            $apiObject['image_id'],
-            $apiObject['max_count'],
-            $apiObject['unit_quantity'],
-            $apiObject['unit_quantity_sub'] ?? 'n/a',
-            $apiObject['decorators']
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return string
-     */
-    public function getName(): string
-    {
-        return $this->name;
-    }
-
-    /**
-     * @return int
-     */
-    public function getPrice(): float
-    {
-        return $this->price / 100.0;
-    }
-
-    /**
-     * @return int
-     */
-    public function getDisplayPrice(): float
-    {
-        return $this->displayPrice / 100.0;
-    }
-
-    /**
-     * @return string
-     */
-    public function getImageId(): string
-    {
-        return $this->imageId;
-    }
-
-    public function getImageUrl(string $size = 'medium'): string
-    {
-        return Client::getImageUri($this->imageId, $size);
-    }
-
-    /**
-     * @return int
-     */
-    public function getMaxCount(): int
-    {
-        return $this->maxCount;
-    }
-
-    /**
-     * @return string
-     */
-    public function getUnitQuantity(): string
-    {
-        return $this->unitQuantity;
-    }
-
-    /**
-     * @return string
-     */
-    public function getUnitQuantitySub(): string
-    {
-        return $this->unitQuantitySub;
-    }
-
-    /**
-     * @return array
-     */
-    public function getDecorators(): array
-    {
-        return $this->decorators;
-    }
-}
\ No newline at end of file
diff --git a/src/Objects/SingleArticleDetails.php b/src/Objects/SingleArticleDetails.php
deleted file mode 100644
index 6162425..0000000
--- a/src/Objects/SingleArticleDetails.php
+++ /dev/null
@@ -1,153 +0,0 @@
-<?php
-
-
-namespace Ardent\GrocyApi\Objects;
-
-
-use Ardent\GrocyApi\Client;
-
-class SingleArticleDetails extends AbstractApiObject
-{
-    static public function getType(): string
-    {
-        return 'SINGLE_ARTICLE_DETAILS';
-    }
-
-    public function __construct(
-        private string $id,
-        private string $name,
-        private int $price,
-        private int $displayPrice,
-        private int $deposit,
-        private string $imageId,
-        private array $imageIds,
-        private int $maxCount,
-        private string $unitQuantity,
-        private string $unitQuantitySub,
-        private array $decorators,
-        private array $nutritionalValues,
-        private string $ingredientsBlob,
-        private string $additionalInfo,
-    )
-    {
-    }
-
-    static public function fromApi(array $apiObject): self
-    {
-        return new self(
-            $apiObject['id'],
-            $apiObject['name'],
-            $apiObject['price'] ?? 0,
-            $apiObject['display_price'],
-            $apiObject['deposit'] ?? 0,
-            $apiObject['image_id'],
-            $apiObject['image_ids'],
-            $apiObject['max_count'],
-            $apiObject['unit_quantity'],
-            $apiObject['unit_quantity_sub'] ?? 'n/a',
-            $apiObject['decorators'],
-            $apiObject['nutritional_values'],
-            $apiObject['ingredients_blob'],
-            $apiObject['additional_info'],
-        );
-    }
-
-    /**
-     * @return string
-     */
-    public function getId(): string
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return string
-     */
-    public function getName(): string
-    {
-        return $this->name;
-    }
-
-    public function getPrice(): float
-    {
-        return $this->price / 100.0;
-    }
-
-    public function getDisplayPrice(): float
-    {
-        return $this->displayPrice / 100.0;
-    }
-
-    public function getDeposit(): float
-    {
-        return $this->deposit / 100.0;
-    }
-
-    /**
-     * @return string
-     */
-    public function getImageId(): string
-    {
-        return $this->imageId;
-    }
-
-    public function getImageUrl(string $size = 'medium'): string
-    {
-        return Client::getImageUri($this->imageId, $size);
-    }
-
-    /**
-     * @return array
-     */
-    public function getImageIds(): array
-    {
-        return $this->imageIds;
-    }
-
-    /**
-     * @param string $size one of tiny/small/medium/large/extra-large
-     *
-     * @return string[]
-     */
-    public function getImageUrls(string $size = 'medium'): array
-    {
-        return array_map(function ($id) use ($size) {
-            return Client::getImageUri($id, $size);
-        }, $this->imageIds);
-    }
-
-    public function getMaxCount(): int
-    {
-        return $this->maxCount;
-    }
-
-    public function getUnitQuantity(): string
-    {
-        return $this->unitQuantity;
-    }
-
-    public function getUnitQuantitySub(): string
-    {
-        return $this->unitQuantitySub;
-    }
-
-    public function getDecorators(): array
-    {
-        return $this->decorators;
-    }
-
-    public function getNutritionalValues(): array
-    {
-        return $this->nutritionalValues;
-    }
-
-    public function getIngredientsBlob(): string
-    {
-        return $this->ingredientsBlob;
-    }
-
-    public function getAdditionalInfo(): string
-    {
-        return $this->additionalInfo;
-    }
-}
\ No newline at end of file