The problem: In-house software team wants to develop a new software that uses the same customer authentication credentials as the Shopify store (Shopify Plus) and needs an interface to retrieve the customer's access and refresh token, and subscription information.
Utilize the Storefront API to handle the customer authentication.
Pass the customer's username and password to the API to retrieve the access and refresh token.
Use the API to check the customer's subscription information.
Can someone provide what is the best stack to accomplish this? And how? 🙂