quey.graphql

query { 
  repository(owner: "rodrigo-brito", name: "json-to-go-map"){
    ref(qualifiedName: "master") {
      target {
        ... on Commit {
          id
          history(first: 10, since: "2017-09-10T20:58:37.000-03:00") {
            edges {
              node {
                messageHeadline
                oid
                message
                author {
                  name
                  email
                  date
                }
              }
            }
          }
        }
      }
    }
  }
}