[sametmax]

You can but you have to write all the allowed query combinations. Graphql is more flexible. It's also declarative, so you can provide a widget with the schema it needs.

Another benefit of graphql is that is a "lingua franka", you can use it internally, between microservices, etc.

[t_fatus]

Indeed, some of the points which I loved the most when I started using it was how it allows to avoid writing any serialization method, how it helps centralize permissions, and, as said in the article, the simplicity it adds if you want to add fields in your queries.