It's free and you don't need a Google API. It works without API. Just copy the code after clicking the "Get the HTML Code" button and paste it to your website.
Absolutely, this is exactly why we have developed this tool. Using the code you generate here, you can embed Google Maps on your website.
Absolutely! Our code is platform independent and works on all websites.
Yes, it works on all WordPress sites.
Yes, it works on all websites based on the Drupal platform.
Yes, it works on Shopify-based stores as well.