post https://sandbox.external.routefusion.com/graphql (3 disregard)
The createUser mutation allows an admin to create a new user within their organization. This action requires an admin token.
mutation createUser (
    $email: Email!
    $first_name: String
    $last_name: String
    $admin: Boolean
    $send_invite_email: Boolean
) {
    createUser (
        email: $email
        first_name: $first_name
        last_name: $last_name
        admin: $admin
        send_invite_email: $send_invite_email
    )
}