dont really know when to add an API Gateway. its kind of depends on your specific situation, doesnt it?

hey everyone, i'm curious about your experiences with api gateways. we're a growing team and our backend services are starting to multiply. right now, clients talk to each service individually, but it's getting messy with auth, rate limiting, and request aggregation. when did you all decide it was time to introduce an api gateway? what were the key pain points that pushed you to adopt one? are there specific architectural patterns or team sizes where it just makes sense