diff --git a/README.md b/README.md
index 52f7d61..1eed574 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,9 @@ Gets a collection of posts. Accepts the following parameters:
 - per_page (int)
 - tag id  (int)
 - yoast (boolean - setting to false omits `yoast` from being returned)
+- meta_key (string)
+- meta_value (string)
+- meta_compare (string)
 
 It returns a JSON response with the following:
 - ACF fields, if applicable
@@ -169,6 +172,9 @@ Gets a collection of posts from a custom post type. Accepts the following parame
 - page (int)
 - per_page (int)
 - yoast (boolean - setting to false omits `yoast` from being returned)
+- meta_key (string)
+- meta_value (string)
+- meta_compare (string)
 
 Returns the following JSON response:
 
diff --git a/includes/create_cpt_endpoints.php b/includes/create_cpt_endpoints.php
index 801eae0..b5a183a 100644
--- a/includes/create_cpt_endpoints.php
+++ b/includes/create_cpt_endpoints.php
@@ -37,6 +37,9 @@ function bre_build_cpt_endpoints() {
             $orderby = $request['orderby']?: null;
             $order = $request['order']?: null;
             $exclude = $request['exclude']?: null;
+            $meta_key = $request['meta_key']?: null;
+            $meta_value = $request['meta_value']?: null;
+            $meta_compare = $request['meta_compare']?: null;
 
             // WP_Query arguments
             $args = array(
@@ -46,7 +49,14 @@ function bre_build_cpt_endpoints() {
               'paged'                  => $page,
               'post__not_in'           => array($exclude),
               'order'                  => $order?:'DESC',
-              'orderby'                => $orderby?:'date'
+              'orderby'                => $orderby?:'date',
+              'meta_query'             => array(
+                array(
+                  'key' => $meta_key,
+                  'value' => $meta_value,
+                  'compare' => $meta_compare
+                )
+              )
             );
 
             // The Query
@@ -244,6 +254,30 @@ function bre_build_cpt_endpoints() {
                },
               'sanitize_callback' => 'absint'
             ),
+            'meta_key' => array(
+              'description'       => 'Query the collection by meta_key.',
+              'type'              => 'string',
+              'validate_callback' => function($param, $request, $key) {
+                  return is_string( $param );
+                },
+              'sanitize_callback' => 'sanitize_text_field',
+            ),
+            'meta_value' => array(
+              'description'       => 'Query the collection by meta_value.',
+              'type'              => 'string',
+              'validate_callback' => function($param, $request, $key) {
+                  return is_string( $param );
+                },
+              'sanitize_callback' => 'sanitize_text_field',
+            ),
+            'meta_compare' => array(
+              'description'       => 'Set the meta comparison for querying the collection by meta value.',
+              'type'              => 'string',
+              'validate_callback' => function($param, $request, $key) {
+                  return is_string( $param );
+                },
+              'sanitize_callback' => 'sanitize_text_field',
+            ),
           ),
         ) );
 
diff --git a/includes/get_posts.php b/includes/get_posts.php
index 23ac5dd..24b78a3 100644
--- a/includes/get_posts.php
+++ b/includes/get_posts.php
@@ -27,6 +27,9 @@ function bre_get_posts( WP_REST_Request $request ) {
   $order = $request['order']?: null;
   $exclude = $request['exclude']?: null;
   $author = $request['author']?: '';
+  $meta_key = $request['meta_key']?: null;
+  $meta_value = $request['meta_value']?: null;
+  $meta_compare = $request['meta_compare']?: null;
 
   // WP_Query arguments
   $args = array(
@@ -39,7 +42,14 @@ function bre_get_posts( WP_REST_Request $request ) {
     'order'                  => $order?:'DESC',
     'orderby'                => $orderby?:'date',
     'post__not_in'           => array($exclude),
-    'author_name'            => $author
+    'author_name'            => $author,
+    'meta_query'             => array(
+      array(
+        'key' => $meta_key,
+        'value' => $meta_value,
+        'compare' => $meta_compare
+      )
+    )
   );
 
   // The Query
@@ -320,6 +330,30 @@ function bre_get_posts( WP_REST_Request $request ) {
           },
         'sanitize_callback' => 'sanitize_text_field',
       ),
+      'meta_key' => array(
+        'description'       => 'Query the collection by meta_key.',
+        'type'              => 'string',
+        'validate_callback' => function($param, $request, $key) {
+            return is_string( $param );
+          },
+        'sanitize_callback' => 'sanitize_text_field',
+      ),
+      'meta_value' => array(
+        'description'       => 'Query the collection by meta_value.',
+        'type'              => 'string',
+        'validate_callback' => function($param, $request, $key) {
+            return is_string( $param );
+          },
+        'sanitize_callback' => 'sanitize_text_field',
+      ),
+      'meta_compare' => array(
+        'description'       => 'Set the meta comparison for querying the collection by meta value.',
+        'type'              => 'string',
+        'validate_callback' => function($param, $request, $key) {
+            return is_string( $param );
+          },
+        'sanitize_callback' => 'sanitize_text_field',
+      ),
     ),
   ) );
 } );