diff --git a/.env.dist.testing b/.env.dist.testing
index 9def6ca..48cc810 100644
--- a/.env.dist.testing
+++ b/.env.dist.testing
@@ -6,5 +6,7 @@ CONVERTKIT_API_LEGACY_LANDING_PAGE_URL="https://app.convertkit.com/landing_pages
 CONVERTKIT_API_SEQUENCE_ID="1030824"
 CONVERTKIT_API_TAG_NAME="wordpress"
 CONVERTKIT_API_TAG_ID="2744672"
+CONVERTKIT_API_TAG_NAME_2="gravityforms-tag-1"
+CONVERTKIT_API_TAG_ID_2="2907192"
 CONVERTKIT_API_SUBSCRIBER_EMAIL="optin@n7studios.com"
 CONVERTKIT_API_SUBSCRIBER_ID="1579118532"
diff --git a/.env.example b/.env.example
index 2ded829..f93060f 100644
--- a/.env.example
+++ b/.env.example
@@ -10,5 +10,7 @@ CONVERTKIT_API_LEGACY_LANDING_PAGE_URL="https://app.convertkit.com/landing_pages
 CONVERTKIT_API_SEQUENCE_ID="1030824"
 CONVERTKIT_API_TAG_NAME="wordpress"
 CONVERTKIT_API_TAG_ID="2744672"
+CONVERTKIT_API_TAG_NAME_2="gravityforms-tag-1"
+CONVERTKIT_API_TAG_ID_2="2907192"
 CONVERTKIT_API_SUBSCRIBER_EMAIL="optin@n7studios.com"
 CONVERTKIT_API_SUBSCRIBER_ID="1579118532"
diff --git a/phpcs.xml b/phpcs.xml
index 95c3996..290616f 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -68,4 +68,12 @@
         <!-- Allow use of is_null() -->
         <exclude name="Generic.PHP.ForbiddenFunctions" />
     </rule>
+
+    <!-- Permit slightly longer line lengths -->
+    <rule ref="Generic.Files.LineLength">
+        <properties>
+            <property name="lineLimit" value="130"/>
+            <property name="absoluteLineLimit" value="0"/>
+        </properties>
+    </rule>
 </ruleset>
\ No newline at end of file
diff --git a/src/ConvertKit_API.php b/src/ConvertKit_API.php
index 9adc8b1..84d1cc1 100644
--- a/src/ConvertKit_API.php
+++ b/src/ConvertKit_API.php
@@ -22,7 +22,7 @@ class ConvertKit_API
      *
      * @var string
      */
-    public const VERSION = '1.0.0';
+    public const VERSION = '1.1.0';
 
     /**
      * ConvertKit API Key
@@ -393,6 +393,36 @@ public function create_tag(string $tag)
         );
     }
 
+    /**
+     * Creates multiple tags.
+     *
+     * @param array<int,string> $tags Tag Names.
+     *
+     * @since 1.1.0
+     *
+     * @see https://developers.convertkit.com/#create-a-tag
+     *
+     * @return false|mixed
+     */
+    public function create_tags(array $tags)
+    {
+        // Build API compatible array of tags.
+        $apiTags = [];
+        foreach ($tags as $i => $tag) {
+            $apiTags[] = [
+                'name' => (string) $tag,
+            ];
+        }
+
+        return $this->post(
+            'tags',
+            [
+                'api_key' => $this->api_key,
+                'tag'     => $apiTags,
+            ]
+        );
+    }
+
     /**
      * Tags a subscriber with the given existing Tag.
      *
@@ -1449,8 +1479,8 @@ public function get(string $endpoint, array $args = [])
     /**
      * Performs a POST request to the API.
      *
-     * @param string                                                                  $endpoint API Endpoint.
-     * @param array<string, bool|integer|string|array<int|string, int|string>|string> $args     Request arguments.
+     * @param string                                                                                $endpoint API Endpoint.
+     * @param array<string, bool|integer|string|array<int|string, int|string|array<string|string>>> $args     Request arguments.
      *
      * @return false|mixed
      */
@@ -1500,9 +1530,9 @@ public function delete(string $endpoint, array $args = [])
     /**
      * Performs an API request using Guzzle.
      *
-     * @param string                                                                  $endpoint API Endpoint.
-     * @param string                                                                  $method   Request method.
-     * @param array<string, bool|integer|string|array<int|string, int|string>|string> $args     Request arguments.
+     * @param string                                                                                $endpoint API Endpoint.
+     * @param string                                                                                $method   Request method.
+     * @param array<string, bool|integer|string|array<int|string, int|string|array<string|string>>> $args     Request arguments.
      *
      * @throws \Exception If JSON encoding arguments failed.
      *
diff --git a/tests/ConvertKitAPITest.php b/tests/ConvertKitAPITest.php
index b97cc3b..e918d23 100644
--- a/tests/ConvertKitAPITest.php
+++ b/tests/ConvertKitAPITest.php
@@ -529,6 +529,66 @@ public function testCreateTagThatExists()
         $result = $this->api->create_tag($_ENV['CONVERTKIT_API_TAG_NAME']);
     }
 
+    /**
+     * Test that create_tags() returns the expected data.
+     *
+     * @since   1.1.0
+     *
+     * @return void
+     */
+    public function testCreateTags()
+    {
+        $tagNames = [
+            'Tag Test ' . mt_rand(),
+            'Tag Test ' . mt_rand(),
+        ];
+        $result = $this->api->create_tags($tagNames);
+
+        // Iterate through the results to confirm the tags were created.
+        foreach ($result as $i => $tag) {
+            // Convert to array to check for keys, as assertObjectHasAttribute() will be deprecated in PHPUnit 10.
+            $tag = get_object_vars($tag);
+            $this->assertArrayHasKey('id', $tag);
+            $this->assertArrayHasKey('name', $tag);
+            $this->assertArrayHasKey('created_at', $tag);
+            $this->assertEquals($tag['name'], $tagNames[$i]);
+        }
+    }
+
+    /**
+     * Test that create_tags() throws a ClientException when creating
+     * blank tags.
+     *
+     * @since   1.1.0
+     *
+     * @return void
+     */
+    public function testCreateTagsBlank()
+    {
+        $this->expectException(GuzzleHttp\Exception\ClientException::class);
+        $result = $this->api->create_tags([
+            '',
+            '',
+        ]);
+    }
+
+    /**
+     * Test that create_tags() throws a ClientException when creating
+     * tags that already exists.
+     *
+     * @since   1.1.0
+     *
+     * @return void
+     */
+    public function testCreateTagsThatExist()
+    {
+        $this->expectException(GuzzleHttp\Exception\ClientException::class);
+        $result = $this->api->create_tags([
+            $_ENV['CONVERTKIT_API_TAG_NAME'],
+            $_ENV['CONVERTKIT_API_TAG_NAME_2'],
+        ]);
+    }
+
     /**
      * Test that tag_subscriber() returns the expected data.
      *