danube.ai provides a GraphQL API (cf. https://graphql.org/)
at https://api.danube.ai/graphql. Contrary to traditional APIs like REST, every request is sent as a POST request
containing a JSON body that specifies if the current request is a read (query) or write (mutation) operation.
In order to use an endpoint, you need a danube.ai API key and set it in each POST request's header: