Amazon FBA full integration and monitoring whit Jet.com ( Base on API )

API'S Integration for amazon and Jet.com. method Item creation - This must cover all fields available in the listing process of each website ([login to view URL] & Amazon) - categories, sub categories, variations, custom field entries, orders , pricing , inventory and full monitoring . I need full automatic system that can check the inventory status in my FBA once I have bid in [login to view URL] the product should be sent directly to the costumer from FBA . I need the ability to add/remove products. Need the ability to create new users in the system which can use my system for they store / products. The system must run clear with no bugs ,