diff --git a/src/Api/Request/WarehousePurchaseOrders.php b/src/Api/Request/WarehousePurchaseOrders.php
new file mode 100644
index 0000000..27c3a40
--- /dev/null
+++ b/src/Api/Request/WarehousePurchaseOrders.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Baselinker\Api\Request;
+
+use Baselinker\Api\Client;
+use Baselinker\Api\Response\Response;
+
+class WarehousePurchaseOrders extends Client
+{
+    public function getInventoryPurchaseOrders(array $data = []): Response
+    {
+        return new Response(
+            $this->post('getInventoryPurchaseOrders', $data)
+        );
+    }
+
+    public function getInventoryPurchaseOrderItems(int $orderId, ?int $page = null): Response
+    {
+        return new Response(
+            $this->post('getInventoryPurchaseOrderItems', [
+                'order_id' => $orderId,
+                'page' => $page,
+            ])
+        );
+    }
+
+    public function getInventoryPurchaseOrderSeries(int $warehouseId): Response
+    {
+        return new Response(
+            $this->post('getInventoryPurchaseOrderSeries', [
+                'warehouse_id' => $warehouseId,
+            ])
+        );
+    }
+}
diff --git a/src/Baselinker.php b/src/Baselinker.php
index c6bb2ed..e572459 100644
--- a/src/Baselinker.php
+++ b/src/Baselinker.php
@@ -9,6 +9,7 @@
 use Baselinker\Api\Request\Orders;
 use Baselinker\Api\Request\ProductCatalog;
 use Baselinker\Api\Request\WarehouseDocuments;
+use Baselinker\Api\Request\WarehousePurchaseOrders;
 
 class Baselinker
 {
@@ -29,6 +30,11 @@ public function warehouseDocuments(): WarehouseDocuments
         return new WarehouseDocuments($this->config);
     }
 
+    public function warehousePurchaseOrders(): WarehousePurchaseOrders
+    {
+        return new WarehousePurchaseOrders($this->config);
+    }
+
     public function externalStorages(): ExternalStorages
     {
         return new ExternalStorages($this->config);
diff --git a/tests/BaselinkerTest.php b/tests/BaselinkerTest.php
index edff208..9058c10 100644
--- a/tests/BaselinkerTest.php
+++ b/tests/BaselinkerTest.php
@@ -9,6 +9,7 @@
 use Baselinker\Api\Request\Orders;
 use Baselinker\Api\Request\ProductCatalog;
 use Baselinker\Api\Request\WarehouseDocuments;
+use Baselinker\Api\Request\WarehousePurchaseOrders;
 use Baselinker\Baselinker;
 use PHPUnit\Framework\TestCase;
 
@@ -32,6 +33,15 @@ public function testWarehouseDocuments(): void
         $this->assertInstanceOf(WarehouseDocuments::class, $warehouseDocuments);
     }
 
+    public function testWarehousePurchaseOrders(): void
+    {
+        $baselinker = new Baselinker('token');
+
+        $warehousePurchaseOrders = $baselinker->warehousePurchaseOrders();
+
+        $this->assertInstanceOf(WarehousePurchaseOrders::class, $warehousePurchaseOrders);
+    }
+
     public function testExternalStorages(): void
     {
         $baselinker = new Baselinker('token');