diff --git a/src/Factory.php b/src/Factory.php
index 3b10e8a2..b3d9ca00 100644
--- a/src/Factory.php
+++ b/src/Factory.php
@@ -28,7 +28,9 @@
  * @method \SevenShores\Hubspot\Resources\Forms              forms()
  * @method \SevenShores\Hubspot\Resources\HubDB              hubDB()
  * @method \SevenShores\Hubspot\Resources\Keywords           keywords()
+ * @method \SevenShores\Hubspot\Resources\LineItems          lineItems()
  * @method \SevenShores\Hubspot\Resources\Pages              pages()
+ * @method \SevenShores\Hubspot\Resources\Products           products()
  * @method \SevenShores\Hubspot\Resources\SocialMedia        socialMedia()
  * @method \SevenShores\Hubspot\Resources\Tickets            tickets()
  * @method \SevenShores\Hubspot\Resources\Timeline           timeline()
diff --git a/src/Resources/BlogAuthors.php b/src/Resources/BlogAuthors.php
index 11918ec6..f7fbb26c 100644
--- a/src/Resources/BlogAuthors.php
+++ b/src/Resources/BlogAuthors.php
@@ -8,7 +8,7 @@ class BlogAuthors extends Resource
      * Get all blog authors.
      *
      * @param array $params optional parameters
-     * 
+     *
      * @see https://developers.hubspot.com/docs/methods/blog/v3/list-blog-authors
      *
      * @return \SevenShores\Hubspot\Http\Response
@@ -32,7 +32,7 @@ public function all(array $params = [])
      * @param array  $params optional parameters
      *
      * @see https://developers.hubspot.com/docs/methods/blog/v3/search-blog-authors
-     * 
+     *
      * @return \SevenShores\Hubspot\Http\Response
      */
     public function search($q = '', array $params = [])
@@ -42,18 +42,18 @@ public function search($q = '', array $params = [])
         $params['q'] = $q;
 
         return $this->client->request(
-                'get',
-                $endpoint,
-                [],
-                build_query_string($params)
-            );
+            'get',
+            $endpoint,
+            [],
+            build_query_string($params)
+        );
     }
 
     /**
      * Get a specific blog author.
      *
      * @param int $id unique identifier for a blog author
-     * 
+     *
      * @see https://developers.hubspot.com/docs/methods/blog/v3/get-blog-author-by-id
      *
      * @return \SevenShores\Hubspot\Http\Response
@@ -63,18 +63,18 @@ public function getById($id, array $params = [])
         $endpoint = "https://api.hubapi.com/blogs/v3/blog-authors/{$id}";
 
         return $this->client->request(
-                'get',
-                $endpoint,
-                [],
-                build_query_string($params)
-            );
+            'get',
+            $endpoint,
+            [],
+            build_query_string($params)
+        );
     }
-    
+
     /**
      * Create a new blog author.
      *
      * @param array $options optional Parameters
-     * 
+     *
      * @see https://developers.hubspot.com/docs/methods/blog/v3/create-blog-author
      *
      * @return \SevenShores\Hubspot\Http\Response
@@ -84,11 +84,11 @@ public function create(array $options = [], array $params = [])
         $endpoint = 'https://api.hubapi.com/blogs/v3/blog-authors';
 
         return $this->client->request(
-                'post',
-                $endpoint,
-                ['json' => $options],
-                build_query_string($params)
-            );
+            'post',
+            $endpoint,
+            ['json' => $options],
+            build_query_string($params)
+        );
     }
 
     /**
@@ -96,7 +96,7 @@ public function create(array $options = [], array $params = [])
      *
      * @param int   $id     unique identifier for a blog author
      * @param array $params fields to update
-     * 
+     *
      * @see https://developers.hubspot.com/docs/methods/blog/v3/update-blog-author
      *
      * @return \SevenShores\Hubspot\Http\Response
@@ -114,7 +114,7 @@ public function update($id, array $params = [])
      * @param int $id unique identifier for the blog author to delete
      *
      * @see https://developers.hubspot.com/docs/methods/blog/v3/delete-blog-author
-     * 
+     *
      * @return \SevenShores\Hubspot\Http\Response
      */
     public function delete($id)
diff --git a/src/Resources/Contacts.php b/src/Resources/Contacts.php
index ec646343..98a99fc1 100644
--- a/src/Resources/Contacts.php
+++ b/src/Resources/Contacts.php
@@ -391,8 +391,6 @@ public function search(string $query, array $params = [])
     }
 
     /**
-     * @deprecated
-     *
      * @return \SevenShores\Hubspot\Http\Response
      */
     public function statistics()
diff --git a/src/Resources/LineItems.php b/src/Resources/LineItems.php
new file mode 100644
index 00000000..331348ff
--- /dev/null
+++ b/src/Resources/LineItems.php
@@ -0,0 +1,195 @@
+<?php
+
+namespace SevenShores\Hubspot\Resources;
+
+/**
+ * @see https://developers.hubspot.com/docs/methods/line-items/line-items-overview
+ */
+class LineItems extends Resource
+{
+    /**
+     * Get all line items.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/get-all-line-items
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function all(array $params = [])
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/objects/line_items/paged';
+
+        return $this->client->request(
+            'get',
+            $endpoint,
+            [],
+            build_query_string($params)
+        );
+    }
+
+    /**
+     * Get a line item by ID.
+     *
+     * @param int $id
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/get_line_item_by_id
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function getById($id, array $params = [])
+    {
+        $endpoint = "https://api.hubapi.com/crm-objects/v1/objects/line_items/{$id}";
+
+        return $this->client->request(
+            'get',
+            $endpoint,
+            [],
+            build_query_string($params)
+        );
+    }
+
+    /**
+     * Get a group of line items by ID.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/batch-get-line-items
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function getBatchByIds(array $ids, array $params = [])
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/objects/line_items/batch-read';
+
+        return $this->client->request(
+            'post',
+            $endpoint,
+            ['json' => ['ids' => $ids]],
+            build_query_string($params)
+        );
+    }
+
+    /**
+     * Create a line item.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/create-line-item
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function create(array $properties)
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/objects/line_items';
+
+        return $this->client->request(
+            'post',
+            $endpoint,
+            ['json' => $properties]
+        );
+    }
+
+    /**
+     * Create a group of line items.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/batch-create-line-items
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function createBatch(array $lineItems)
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/objects/line_items/batch-create';
+
+        return $this->client->request(
+            'post',
+            $endpoint,
+            ['json' => $lineItems]
+        );
+    }
+
+    /**
+     * Update a line item.
+     *
+     * @param int $id
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/update-line-item
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function update($id, array $properties)
+    {
+        $endpoint = "https://api.hubapi.com/crm-objects/v1/objects/line_items/{$id}";
+
+        return $this->client->request(
+            'put',
+            $endpoint,
+            ['json' => $properties]
+        );
+    }
+
+    /**
+     * Update a group of line items.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/batch-update-line-items
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function updateBatch(array $lineItems)
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/objects/line_items/batch-update';
+
+        return $this->client->request(
+            'post',
+            $endpoint,
+            ['json' => $lineItems]
+        );
+    }
+
+    /**
+     * Delete a line item.
+     *
+     * @param int $id
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/delete-line-item
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function delete($id)
+    {
+        $endpoint = "https://api.hubapi.com/crm-objects/v1/objects/line_items/{$id}";
+
+        return $this->client->request('delete', $endpoint);
+    }
+
+    /**
+     * Delete a group of line items.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/batch-delete-line-items
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function deleteBatch(array $ids)
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/objects/line_items/batch-delete';
+
+        return $this->client->request(
+            'post',
+            $endpoint,
+            ['json' => ['ids' => $ids]]
+        );
+    }
+
+    /**
+     * Get a log of changes for line items.
+     *
+     * @see https://developers.hubspot.com/docs/methods/line-items/get-line-item-changes
+     *
+     * @return \SevenShores\Hubspot\Http\Response
+     */
+    public function getLineItemChanges(array $params = [])
+    {
+        $endpoint = 'https://api.hubapi.com/crm-objects/v1/change-log/line_items';
+
+        return $this->client->request(
+            'get',
+            $endpoint,
+            [],
+            build_query_string($params)
+        );
+    }
+}
diff --git a/tests/Integration/Abstraction/ProductData.php b/tests/Integration/Abstraction/ProductData.php
new file mode 100644
index 00000000..5a9ae9e3
--- /dev/null
+++ b/tests/Integration/Abstraction/ProductData.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace SevenShores\Hubspot\Tests\Integration\Abstraction;
+
+trait ProductData
+{
+    protected function getData(string $name = 'A new product'): array
+    {
+        return [
+            ['name' => 'name', 'value' => $name],
+            ['name' => 'description', 'value' => 'A description of this product.'],
+            ['name' => 'price',  'value' => 27.50],
+            ['name' => 'recurringbillingfrequency',  'value' => 'quarterly'],
+        ];
+    }
+}
diff --git a/tests/Integration/Resources/BlogAuthorsTest.php b/tests/Integration/Resources/BlogAuthorsTest.php
index fad14ee1..e6e1014e 100644
--- a/tests/Integration/Resources/BlogAuthorsTest.php
+++ b/tests/Integration/Resources/BlogAuthorsTest.php
@@ -92,11 +92,12 @@ public function delete()
         $response = $this->resource->delete($this->entity->id);
 
         $this->assertEquals(204, $response->getStatusCode());
-        
+
         $this->entity = null;
     }
 
-    protected function createEntity() {
+    protected function createEntity()
+    {
         return $this->resource->create([
             'fullName' => 'John Smith '.uniqid(),
             'email' => 'john.smith'.uniqid().'@example.com',
@@ -104,7 +105,8 @@ protected function createEntity() {
         ]);
     }
 
-    protected function deleteEntity() {
+    protected function deleteEntity()
+    {
         $this->resource->delete($this->entity->id);
     }
 }
diff --git a/tests/Integration/Resources/LineItemsTest.php b/tests/Integration/Resources/LineItemsTest.php
new file mode 100644
index 00000000..c34067fd
--- /dev/null
+++ b/tests/Integration/Resources/LineItemsTest.php
@@ -0,0 +1,234 @@
+<?php
+
+namespace SevenShores\Hubspot\Tests\Integration\Resources;
+
+use SevenShores\Hubspot\Http\Client;
+use SevenShores\Hubspot\Resources\LineItems;
+use SevenShores\Hubspot\Resources\Products;
+use SevenShores\Hubspot\Tests\Integration\Abstraction\EntityTestCase;
+
+/**
+ * @internal
+ * @coversNothing
+ */
+class LineItemsTest extends EntityTestCase
+{
+    use \SevenShores\Hubspot\Tests\Integration\Abstraction\ProductData { getData as getProductData; }
+
+    /**
+     * @var LineItems
+     */
+    protected $resource;
+
+    /**
+     * @var LineItems::class
+     */
+    protected $resourceClass = LineItems::class;
+
+    /**
+     * $var Products.
+     */
+    protected $resourceProducts;
+
+    /**
+     * $var \SevenShores\Hubspot\Http\Response.
+     */
+    protected $product;
+
+    public function setUp()
+    {
+        $this->product = $this->createProduct();
+
+        parent::setUp();
+    }
+
+    public function tearDown()
+    {
+        parent::tearDown();
+
+        if (!empty($this->product)) {
+            $this->deleteProduct();
+        }
+    }
+
+    /** @test */
+    public function all()
+    {
+        $response = $this->resource->all();
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertGreaterThanOrEqual(1, count($response->objects));
+    }
+
+    /** @test */
+    public function getById()
+    {
+        $response = $this->resource->getById($this->entity->objectId);
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    /** @test */
+    public function getBatchByIds()
+    {
+        $lineItem = $this->createEntity();
+
+        $ids = [
+            $this->entity->objectId,
+            $lineItem->objectId,
+        ];
+
+        $response = $this->resource->getBatchByIds($ids);
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertCount(2, $response->toArray());
+
+        $this->resource->delete($lineItem->objectId);
+    }
+
+    /** @test */
+    public function create()
+    {
+        $this->assertEquals(200, $this->entity->getStatusCode());
+    }
+
+    /** @test */
+    public function createBatch()
+    {
+        $response = $this->resource->createBatch([
+            $this->getData(),
+            $this->getData(),
+        ]);
+
+        $this->assertEquals(200, $response->getStatusCode());
+
+        sleep(1);
+
+        $this->resource->deleteBatch(array_map(function ($lineItem) {
+            return $lineItem->objectId;
+        }, array_values($response->getData())));
+    }
+
+    /** @test */
+    public function update()
+    {
+        $response = $this->resource->update($this->entity->objectId, [
+            ['name' => 'name', 'value' => 'An updated custom name for the product for this line item. Discounting 5% on bulk purchase.'],
+        ]);
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    /** @test */
+    public function updateBatch()
+    {
+        $lineItem = $this->createEntity();
+
+        $response = $this->resource->updateBatch([
+            [
+                'objectId' => $this->entity->objectId,
+                'properties' => [
+                    [
+                        'name' => 'price',
+                        'value' => 55.00,
+                    ],
+                    [
+                        'name' => 'description',
+                        'value' => 'This is an updated description for this item, it\'s getting a price change.',
+                    ],
+                ],
+            ],
+            [
+                'objectId' => $lineItem->objectId,
+                'properties' => [
+                    [
+                        'name' => 'name',
+                        'value' => 'Updated name, new quantity',
+                    ],
+                    [
+                        'name' => 'quantity',
+                        'value' => 20,
+                    ],
+                ],
+            ],
+        ]);
+
+        $this->assertEquals(200, $response->getStatusCode());
+
+        $this->resource->delete($lineItem->objectId);
+    }
+
+    /** @test */
+    public function delete()
+    {
+        $response = $this->deleteEntity();
+
+        $this->assertEquals(204, $response->getStatusCode());
+
+        $this->entity = null;
+    }
+
+    /** @test */
+    public function deleteBatch()
+    {
+        $response = $this->resource->createBatch([
+            $this->getData(),
+            $this->getData(),
+        ]);
+
+        sleep(1);
+
+        $deleteResponse = $this->resource->deleteBatch(array_map(function ($lineItem) {
+            return $lineItem->objectId;
+        }, array_values($response->getData())));
+
+        $this->assertEquals(204, $deleteResponse->getStatusCode());
+    }
+
+    /** @test */
+    public function getLineItemChanges()
+    {
+        $response = $this->resource->getLineItemChanges();
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    protected function createEntity()
+    {
+        return $this->resource->create($this->getData());
+    }
+
+    protected function deleteEntity()
+    {
+        return $this->resource->delete($this->entity->objectId);
+    }
+
+    protected function getData(): array
+    {
+        return [
+            ['name' => 'hs_product_id', 'value' => $this->product->objectId],
+            ['name' => 'quantity', 'value' => 50],
+            ['name' => 'price',  'value' => 9.50],
+            ['name' => 'name',  'value' => 'A custom name for the product for this line item. Discounting 5% on bulk purchase.'],
+        ];
+    }
+
+    protected function getProducts()
+    {
+        if (empty($this->resourceProducts)) {
+            $this->resourceProducts = new Products(new Client(['key' => getenv('HUBSPOT_TEST_API_KEY')]));
+        }
+
+        return $this->resourceProducts;
+    }
+
+    protected function createProduct()
+    {
+        return $this->getProducts()->create($this->getProductData());
+    }
+
+    protected function deleteProduct()
+    {
+        return $this->getProducts()->delete($this->product->objectId);
+    }
+}
diff --git a/tests/Integration/Resources/ProductsTest.php b/tests/Integration/Resources/ProductsTest.php
index dcb0f52d..608cdd7e 100644
--- a/tests/Integration/Resources/ProductsTest.php
+++ b/tests/Integration/Resources/ProductsTest.php
@@ -11,6 +11,8 @@
  */
 class ProductsTest extends EntityTestCase
 {
+    use \SevenShores\Hubspot\Tests\Integration\Abstraction\ProductData;
+
     /**
      * @var SevenShores\Hubspot\Resources\Products
      */
@@ -172,14 +174,4 @@ protected function deleteEntity()
     {
         return $this->resource->delete($this->entity->objectId);
     }
-
-    protected function getData(string $name = 'A new product'): array
-    {
-        return [
-            ['name' => 'name', 'value' => $name],
-            ['name' => 'description', 'value' => 'A description of this product.'],
-            ['name' => 'price',  'value' => 27.50],
-            ['name' => 'recurringbillingfrequency',  'value' => 'quarterly'],
-        ];
-    }
 }