We have a requirement to get Sitecore items as invokable API using postman. Now postman is started supporting GraphQL. But when we try to invoke the Sitecore GraphQL I'm getting the error:
[HttpException]: A public action method 'ui' was not found on controller 'Sitecore.Services.GraphQL.Hosting.Mvc.GraphQLController'. at System.Web.Mvc.Controller.HandleUnknownAction(String actionName)
Can anyone suggest a way to expose using postman? I know Sitecore provides a nice GraphQL UI to browse through.