What is GraphQL? Is it a replacement for the REST API?

The diagram below shows the quick comparison between REST and GraphQL.

🔹GraphQL is a query language for APIs developed by Meta. It provides a complete description of the data in the API and gives clients the power to ask for exactly what they need.

🔹GraphQL servers sit in between the client and the backend services.

🔹GraphQL can aggregate multiple REST requests into one query. GraphQL server organizes the resources in a graph.