There are a number of reasons why you are unable to push products to your WooCommerce store.
You have a plugin that is blocking Spocket from fully functioning.
You will need to determine which plugin is preventing Spocket to function properly. Once identified, you will need to disable and remove the plugin then you can check if you are now able to push products to your store. If you cannot identify which plugin is blocking Spocket, please feel free to contact Support@spocket.co.
You might be running into an SSL error.
It is mandatory to set up a HTTPS certificate to use Spocket so you will need to have an SSL certificate on your domain.
Your server might be blocking Spocket.
To push products successfully to your WooCommerce store, you will need to talk to your host to allow our IP/Domain: IP: 18.104.22.168