GraphQL vs REST for Salon App APIs – Which One Wins?

When building a Salon Booking App , one of the most important architectural decisions you’ll make is choosing between GraphQL and REST for your API layer. Both are powerful. Both are widely used. But which one actually wins for a salon app with features like appointment booking, staff management, payments, and notifications? Let’s break it down with real-world developer perspective, code examples, and practical trade-offs. The Problem: Modern Salon Apps Are Complex A typical salon app isn’t just CRUD anymore. You’re dealing with: Appointment scheduling Multiple staff roles Payments & invoices Reviews & ratings Notifications (SMS, email, push) Location-based discovery This creates deeply connected data — and that’s where API design becomes critical. What is REST? REST (Representational State Transfer) is the traditional way of building APIs using fixed endpoints . Example REST Endpoints: GET /salons GET /salons/:id GET /salons/:id/stylists GET /appointments?userId=123 POST /appointments