Once you split a monolith into services, a new problem appears: the client now needs to know about twenty endpoints, each with its own auth, its own retry logic, and its own rate limits. An API gateway is the single front door that hides all of that. The problem it solves Every service needs th...
Source: [Dev.to](https://dev.to/roni_das_b1b76c5ee6583027/designing-an-api-gateway-routing-auth-and-the-filter-chain-f28)