// ================================
// Custom REST API endpoint for updating Rank Math SEO fields via n8n
// ================================
add_action('rest_api_init', function () {
    register_rest_route('rankmath/v1', '/update-meta', array(
        'methods' => 'POST',
        'callback' => 'update_rankmath_meta_from_n8n',
        'permission_callback' => '__return_true', // Secured by secret key
    ));
});

function update_rankmath_meta_from_n8n(WP_REST_Request $request) {
    $secret_key = 'Mx8P@9qk#12Zr'; // Change to your own strong key

    // Security check
    if ($request->get_header('x-secret-key') !== $secret_key) {
        return new WP_REST_Response(array('error' => 'Unauthorized'), 401);
    }

    $post_id = intval($request->get_param('post_id'));
    $title = sanitize_text_field($request->get_param('title'));
    $description = sanitize_text_field($request->get_param('description'));
    $keywords = sanitize_text_field($request->get_param('keywords'));

    if (!$post_id) {
        return new WP_REST_Response(array('error' => 'Post ID required'), 400);
    }

    // Update Rank Math fields
    if (!empty($title)) {
        update_post_meta($post_id, 'rank_math_title', $title);
    }
    if (!empty($description)) {
        update_post_meta($post_id, 'rank_math_description', $description);
    }
    if (!empty($keywords)) {
        update_post_meta($post_id, 'rank_math_focus_keyword', $keywords);
    }

    return new WP_REST_Response(array(
        'success' => true,
        'post_id' => $post_id,
        'title' => $title,
        'description' => $description,
        'keywords' => $keywords
    ), 200);
}<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//echopx.in/main-sitemap.xsl"?>
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	</sitemap>
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<!-- XML Sitemap generated by Rank Math SEO Plugin (c) Rank Math - rankmath.com -->