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API Gateway Template — Use Cases

  1. Single public entry — one DNS name for many microservices with path-based routing
  2. BFF for SPA — aggregate calls for a web app channel; hide internal service topology
  3. Mobile gateway — token validation optimized for mobile clients
  4. Admin vs tenant APIs — split route tables and policies by audience
  5. Rate limiting — protect fragile downstreams during traffic spikes
  6. Header standardization — inject trace and tenant headers consistently