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API Gateway Basics
Front-door for your APIs
An API gateway centralizes routing, authentication, rate limits, caching, and logging for backend services, simplifying clients and adding consistent policies and observability.
- api gateway
- routing
- auth
- rate limits
- caching
Route and Secure
Map paths to services; enforce auth, TLS, and WAF rules.
Control Traffic
Apply rate limits, quotas, caching, and retries centrally.
Observe
Emit metrics/logs/traces with IDs; simplify client configs.