Your question is HLD: Inventory Management API Design. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
HLD: inventory management of an e-commerce website (admin side: add, remove, search products); write APIs for add/update/delete/search; scale it.
Asked in the Round 3 Design/HM stage. Reported follow-ups: Which key would be used to shard? How to handle hot keys?