around_action :api_call_handle_error, :api_call_timeout
before_action :set_request_formats, :except => [:create, :update, :delete]
+ before_action :check_rate_limit, :only => [:create, :update, :delete]
def index
raise OSM::APIBadUserInput, "The parameter relations is required, and must be of the form relations=id[,id[,id...]]" unless params["relations"]