Getting Started with GraphQL in ASP.NET Core

GraphQL or Graph Query Language is an API Standard that was invented and open-sourced by Facebook. It basically is an alternative to REST APIs. GraphQL unlike the tradional REST API, gives the control to the Client so that the Client App / user gets to request for the specific data he wants. Here are the topics covered. 1. What is GraphQL? 2. The Problem GraphQL Solves 3. GraphQL vs REST API 4. Types in GraphQL 5. GraphQL Schema 6. About GraphQL Playground 7. Testing GraphQL 7.1 Getting all the customers. 7.2 Get a Customer by ID