diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7bfec4..f7a2732 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [3.0] - 2017-09-05
+
+### Added
+- Make `wps_subtitle` available via WordPress REST API.
+
 ## [2.9.1] - 2017-06-01
 
 ### Fixed
@@ -137,7 +142,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 - First version.
 
-[Unreleased]: https://github.com/benhuson/wp-subtitle/compare/2.9.1...HEAD
+[Unreleased]: https://github.com/benhuson/wp-subtitle/compare/3.0...HEAD
+[3.0]: https://github.com/benhuson/wp-subtitle/compare/2.9.2...3.0
 [2.9.1]: https://github.com/benhuson/wp-subtitle/compare/2.9...2.9.1
 [2.9]: https://github.com/benhuson/wp-subtitle/compare/2.8.1...2.9
 [2.8.1]: https://github.com/benhuson/wp-subtitle/compare/2.8...2.8.1
diff --git a/README.md b/README.md
index b5b6933..052977e 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,9 @@ The plugin is [hosted on GitHub](https://github.com/benhuson/wp-subtitle) and pu
 Upgrade Notice
 --------------
 
+### 3.0
+Make `wps_subtitle` available via WordPress REST API.
+
 ### 2.9.1
 Fix preview not rendering correct template and other post meta.
 
diff --git a/includes/rest.php b/includes/rest.php
new file mode 100644
index 0000000..80ffaec
--- /dev/null
+++ b/includes/rest.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * @package     WP Subtitle
+ * @subpackage  REST API
+ *
+ * @since  3.0
+ */
+
+class WPSubtitle_REST {
+
+	/**
+	 * Constructor
+	 *
+	 * @since  3.0
+	 *
+	 * @internal  Do not create multiple instances.
+	 */
+	public function __construct() {
+
+		add_action( 'rest_api_init', array( $this, 'register_rest_field' ) );
+
+	}
+
+	/**
+	 * Register REST Field
+	 *
+	 * @since  3.0
+	 *
+	 * @internal  Called via the `rest_api_init` action.
+	 */
+	public function register_rest_field() {
+
+		$post_types = WPSubtitle::get_supported_post_types();
+
+		foreach ( $post_types as $post_type ) {
+
+			register_rest_field( $post_types, 'wps_subtitle', array(
+				'get_callback'    => array( $this, 'get_rest_field' ),
+				'update_callback' => null,
+				'schema'          => null
+			) );
+
+		}
+
+	}
+
+	/**
+	 * Get REST Field
+	 *
+	 * @since  3.0
+	 *
+	 * @internal  Called via register_rest_field() callback.
+	 *
+	 * @param   array            $object      Current post details.
+	 * @param   string           $field_name  Name of field.
+	 * @param   WP_REST_Request  $request     Current request.
+	 * @return  string                        Subtitle
+	 */
+	public function get_rest_field( $object, $field_name, $request ) {
+
+		$subtitle = new WP_Subtitle( $object['id'] );
+
+		return $subtitle->get_raw_subtitle();
+
+	}
+
+}
diff --git a/readme.txt b/readme.txt
index 92f7c23..e4c2858 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: husobj, husani
 Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=SLZUF4XJTS4E6
 Tags: subtitle, content, title, subheading, subhead, alternate title
 Requires at least: 3.7
-Tested up to: 4.7.5
-Stable tag: 2.9.1
+Tested up to: 4.8.1
+Stable tag: 3.0
 License: GPLv2
 License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 
@@ -102,6 +102,9 @@ The plugin is [hosted on GitHub](https://github.com/benhuson/wp-subtitle) and pu
 
 = Unreleased =
 
+= 3.0 =
+* Make `wps_subtitle` available via WordPress REST API.
+
 = 2.9.1 =
 * Fix preview not rendering correct template and other post meta.
 
@@ -179,6 +182,9 @@ The plugin is [hosted on GitHub](https://github.com/benhuson/wp-subtitle) and pu
 
 == Upgrade Notice ==
 
+= 3.0 =
+* Make `wps_subtitle` available via WordPress REST API.
+
 = 2.9.1 =
 Fix preview not rendering correct template and other post meta.
 
diff --git a/wp-subtitle.php b/wp-subtitle.php
index f1c9105..f2fa698 100644
--- a/wp-subtitle.php
+++ b/wp-subtitle.php
@@ -4,7 +4,7 @@
 Plugin Name: WP Subtitle
 Plugin URI: http://wordpress.org/plugins/wp-subtitle/
 Description: Adds a subtitle field to pages and posts. Possible to add support for custom post types.
-Version: 2.9.1
+Version: 3.0
 Author: Ben Huson, Husani Oakley
 Author URI: https://github.com/benhuson/wp-subtitle
 License: GPLv2
@@ -41,6 +41,7 @@
 include_once( WPSUBTITLE_DIR . 'includes/subtitle.php' );
 include_once( WPSUBTITLE_DIR . 'includes/deprecated.php' );
 include_once( WPSUBTITLE_DIR . 'includes/shortcode.php' );
+include_once( WPSUBTITLE_DIR . 'includes/rest.php' );
 
 // Include admin-only functionality
 if ( is_admin() ) {
@@ -52,6 +53,7 @@
 	}
 }
 
+add_action( 'plugins_loaded', array( 'WPSubtitle', 'load' ) );
 add_action( 'init', array( 'WPSubtitle', '_add_default_post_type_support' ), 5 );
 
 // Default subtitle filters
@@ -60,6 +62,26 @@
 
 class WPSubtitle {
 
+	/**
+	 * REST API
+	 *
+	 * @since  3.0
+	 *
+	 * @var  WPSubtitle_REST|null
+	 */
+	private static $rest = null;
+
+	/**
+	 * Load
+	 *
+	 * @since  3.0
+	 */
+	public static function load() {
+
+		self::$rest = new WPSubtitle_REST();
+
+	}
+
 	/**
 	 * Add Default Post Type Support
 	 *