Install Totally plug-in-play # Add the gem to your Gemfile $ bundle add rails-graphql # Then run the Rails generator $ rails g graphql:install Define Designed for simple and complex Schemas # app/graphql/app_schema.rb class GraphQL::AppSchema < GraphQL::Schema field(:welcome).resolve { 'Hello World!' } end Run Follows Rails core principles $ curl -d '{"query":"{ welcome }"}' \ -H "Content-Type: ap