Backend for Frontend (BFF) Pattern

Core Concept

Traditional API:
┌─────────────────────────────────────────┐
│         Single Generic API              │
│  (serves Web, Mobile, TV, Partners)     │
└─────────────────────────────────────────┘
         ↓         ↓         ↓
      [Web]    [Mobile]    [TV]
   (over-fetching + under-fetching)