Shortcode_get_api_demo

// Add Shortcode
function recent_posts_api_shortcode( $atts , $content = null ) {

	// Attributes
	$atts = shortcode_atts(
		array(
			'posts' => '5',
		),
		$atts,
		'recent-posts-api'
	);

	    $convert_to             = 'MXN';
		$just_show              = 5;
		$api_url                = 'https://api.coinmarketcap.com/v1/?convert=' . $convert_to . '&limit=' . $just_show;
		$response               = wp_remote_get( $api_url );
		$array_api              = json_decode( wp_remote_retrieve_body( $response ), true );
	
	    //var_dump($cryptocurrencies[0]["id"]);
	    
	    $output = '<ul>';
		 foreach ( $array_api as $key => $data ) {
	         $output .= '<li>';
	         $output .= 'Id ' . $array_api[$key]["id"] .'</li>';
	         $output .= 'price' . $array_api[$key]["price_usd"];
	         $output .= '</li>';
	     }
	
	    $output .= '<ul>';

}
add_shortcode( 'recent-posts-api', 'recent_posts_api_shortcode' );