An API outage, defined as the unavailability of a software endpoint that facilitates communication between separate services, can range from a minor inconvenience to a major disruption, significantly impacting businesses by causing revenue loss, damaging reputation, and affecting customer retention. Common causes of API outages include server overload, hardware failures, misconfigured microservices running on containers, and inadequate network architecture, often exacerbated by a lack of redundancy and failover mechanisms. To mitigate these issues, employing robust container orchestration, implementing load balancing, and strengthening authentication and authorization measures are essential. Tools like Kong Gateway can enhance API resilience by providing an abstraction layer between clients and services, allowing for seamless service upgrades and modifications while ensuring high availability and security. The integration of plugins for canary releases, rate limiting, and request size management can further minimize the risk of disruptions. Despite these measures, a well-designed API should anticipate occasional outages and provide status codes for client error handling, with Kong Gateway offering a comprehensive solution for managing API availability and performance.