When I started studying APIs more seriously, I realized there was a problem with the way I was learning. I knew how to create a Rails API. I knew how to write: resources :products I knew what GET , POST , PATCH and DELETE were supposed to do.
Source: [Dev.to](https://dev.to/lucasldemello/rails-routing-apis-what-actually-happens-between-the-url-and-your-controller-4elj)