GraphQL is becoming a go-to query language for companies to interact with data. Understand what GraphQL does and why it’s so popular.

Developers tend to love GraphQL for API development and querying, or they hate it. Here's the good, the bad, and the ugly of this REST alternative on the rise.

But it's more than just a protocol: The Graph also has an implementation, which is open source and uses GraphQL. GraphQL is a query language for APIs, developed and open sourced by Facebook.