Need to write a module for the CMS VamShop to work with the API

You need to write to VamShop CMS module to work with API panel billing parser
For API from the billing pull categories, products and their configs. Ship it all to the database VamShop to existing tables. The structure is the same. All functions of the store, in addition to basket, must remain functional.
No appointments, registration, payments, etc. On the website only showcase products.
After clicking the book – pass the post request selected item from parameters in the billing.

Without prepayments! Payment in stages. Show something, get done, etc.

Waiting for Your offers with price and terms