diff --git a/includes/class-mmg-checkout-payment-activator.php b/includes/class-mmg-checkout-payment-activator.php
index b2f7d65..052d5d7 100644
--- a/includes/class-mmg-checkout-payment-activator.php
+++ b/includes/class-mmg-checkout-payment-activator.php
@@ -31,7 +31,7 @@ class MMG_Checkout_Payment_Activator {
 	 */
 	public static function activate() {
 		self::mmg_activate();
-		add_action( 'init', array( 'self', 'add_rewrite_rules' ) );
+		// add_action( 'init', array( 'self', 'add_rewrite_rules' ) );
 	}
 
 	/**
@@ -65,3 +65,4 @@ private static function add_rewrite_rules() {
 		add_rewrite_tag( '%mmg-checkout%', '([^&]+)' );
 	}
 }
+
diff --git a/includes/class-mmg-checkout-payment-rewrites.php b/includes/class-mmg-checkout-payment-rewrites.php
new file mode 100644
index 0000000..0261a9b
--- /dev/null
+++ b/includes/class-mmg-checkout-payment-rewrites.php
@@ -0,0 +1,20 @@
+<?php
+class MMG_Checkout_Payment_Rewrites {
+    public static function init() {
+        add_action('init', array(__CLASS__, 'add_rewrite_rules'));
+    }
+
+    public static function add_rewrite_rules() {
+        add_rewrite_rule(
+            '^wc-api/mmg-checkout/([^/]+)/?',
+            'index.php?mmg-checkout=1&callback_key=$matches[1]',
+            'top'
+        );
+        add_rewrite_rule(
+            '^wc-api/mmg-checkout/([^/]+)/errorpayment/?',
+            'index.php?mmg-checkout=errorpayment&callback_key=$matches[1]',
+            'top'
+        );
+        add_rewrite_tag('%mmg-checkout%', '([^&]+)');
+    }
+}
\ No newline at end of file
diff --git a/main.php b/main.php
index 9ef3da7..f71fe94 100644
--- a/main.php
+++ b/main.php
@@ -33,6 +33,7 @@
 require_once plugin_dir_path( __FILE__ ) . 'includes/class-mmg-checkout-payment-activator.php';
 require_once plugin_dir_path( __FILE__ ) . 'includes/class-mmg-checkout-payment-deactivator.php';
 require_once plugin_dir_path( __FILE__ ) . 'includes/class-mmg-checkout-payment-deactivator.php';
+require_once plugin_dir_path( __FILE__ ) . 'includes/class-mmg-checkout-payment-rewrites.php';
 // This is temporary until the plugin is uploaded to the WordPress repository.
 use YahnisElsts\PluginUpdateChecker\v5\PucFactory;
 
@@ -43,6 +44,8 @@
 );
 $update_checker->getVcsApi()->enableReleaseAssets();
 
+MMG_Checkout_Payment_Rewrites::init();
+
 if ( MMG_Dependency_Checker::check_dependencies() ) {
 	/**
 	 * Initialize the MMG Checkout Payment functionality.