Yoast wp-json API

yoast.php

<?php
// ..... add the following in wordpress functions.php file
/**
 *  Yoast Rest API Customized
 */
function wp_yoast_rest( WP_REST_Request $request ){
	
  $post_id = $request ['post_id'];
	$title = $request['seo_title'];
	$desc = $request['seo_desc'];
	$meta_title = $request['meta_title'];
	$image_url = $request['img_url'];
	$keywords = $request['keywords'];
	
	$title_keys = array("_yoast_wpseo_opengraph-title","_yoast_wpseo_twitter-title");
	$desc_keys = array("_yoast_wpseo_opengraph-description","_yoast_wpseo_twitter-description", "_yoast_wpseo_metadesc");
	$img_keys = array("_yoast_wpseo_opengraph-image","_yoast_wpseo_twitter-image");
	
	add_post_meta($post_id, '_yoast_wpseo_title', $meta_title);
	
	foreach ($title_keys as $meta_key){
			$meta_value = $title;
			add_post_meta( $post_id, $meta_key, $meta_value); 		
	}
	foreach ($desc_keys as $meta_key){
			$meta_value = $desc;
			add_post_meta( $post_id, $meta_key, $meta_value);
	}
	foreach ($img_keys as $meta_key){
			$meta_value = $image_url;
			add_post_meta( $post_id, $meta_key, $meta_value);
			
	}
	//Yoast doesnt allow keywords so adding it as a custom post meta
	add_post_meta($post_id, 'keywords', $keywords);
	return "Success";
}

add_action( 'rest_api_init', function () {
  register_rest_route( 'wp/v2', '/yoast', array(
    'methods' => 'POST',
    'callback' => 'wp_yoast_rest',
  ) );
} );

// .... other code in functions.php

?>