`application/graphql-response+json` is the header type in part of the graphql-over-http draft, and currently used by most GraphQL servers. Spec draft: https://graphql.github.io/graphql-over-http/draft/#sec-application-graphql-response-json
application/graphql-response+jsonis the header type in part of the graphql-over-http draft, and currently used by most GraphQL servers. Spec draft: https://graphql.github.io/graphql-over-http/draft/#sec-application-graphql-response-json