PrintHigh provides a quick and easy way to integrate with WooCommerce.
Step 1: Create REST API in WooCommerce Store to get Consumer Key
Go to WooCommerce Settings > Advanced > REST API > Add Key. Make sure to choose Read/Write for Permission!
Step 2: Create a PrintHigh Store
Go to https://seller.printhigh.com/store/ and create a WooCommerce store. Enter your Store Name and Store URL (must have SSL)
Enter your Consumer Key to finalize the intergration.