Building a .NET GraphQL Server

Albert Starreveld
6 min readNov 10, 2022

GraphQL is a query language developed by Facebook in 2012 (publicly released in 2015). In a GraphQL query, the consumer of an API specifies the structure of the data it needs. The server executes the query, collects the data from one or various data sources, filters out the fields which aren’t specified in the query, and returns the result as JSON objects.

What problem does GraphQL solve?

Imagine this Rest API. It has two endpoints:

[GET] /roomreturns: 

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Albert Starreveld

Passionate about cloud native software development. Only by sharing knowledge and code we can take software development to the next level!