Last year, Yelp introduced its completely new Yelp Fusion API. Since its introduction, Yelp has dedicated most of its resources on the new API, and encouraged developers to migrate to Fusion. Over that time period, Yelp has added new features, fixed bugs, and now signals the end of the legacy API.
These days microservices are often pursued because tech giants like Uber and Twitter use them. Adam Drake argues that your startup probably doesn't need them and that they should only be used when your monolith gets so complex making the app more modular won’t cut it.