WooCommerce Error: 404 Not Found – the requested URL was not found on this server
The most probable cause to this issue is that your WordPress REST API isn’t active. An easy way to test if this is your case is navigate to the following URL on your store (replacing “yourstore.com” for your domain):
If you’re getting a “Not Found” error, it’s possible that you need to fix your WordPress installation.
As you can see, in these sites it is working and returning a JSON:
It’s a problem with the WordPress REST API in your site and not with the WooCommerce REST API.
You’ll have to contact your developer to further investigate this issue because it’s out of our app’s scope.