We have Angular app that have custom subscription page and we do not use infusionSoft storefront to select product. we get product details using infusionSoft APIs and show them in our subscription page.
When user select products user redirect to your checkout page (single-step checkout) and do success transaction. after that user need to redirect our app again( using Thank You url ). at that point we need to confirm that order details and update our record info. (because user can change order details in checkout page also)
How do we get order number when user came back to Thank You page… ?
Note :- We do not want to use multi-step checkout page. because then user need to log into our app and if he deside to get subscription he need to log in again.