Managing API Cache Overview Implement intelligent API response caching using Redis, Memcached, or in-memory stores with cache key generation, TTL management, cache invalidation strategies, and HTTP cache headers. Support read-through, write-through, and cache-aside patterns with tag-based invalidation for related resources and stale-while-revalidate behavior. Prerequisites - Redis 6+ or Memcached for distributed caching (required for multi-instance deployments) - Cache client library: (Node.js), (Python), or Lettuce (Java) - CDN with cache control support for edge caching (CloudFront, Cloudfl…