This docs helps to install Podorder with Shopify Store. This Print on Demand Management tool allows to integrate with multiple Shopify Store.
Create Shopify Store: https://www.shopify.com/
Then create new app with permission as this:
2. Connect Podorder with Shopify Store
Tap on the green button to Create to a store > Shopify > Connect:
Choose Apps > Develop an apps for your store
Create an app:
Navigate to API Credentials: Coppy API key and secret key
Paste API key and API Secret Key (Api Password):
Then connect to store.