How to delete list item using Restapi in Sharepoint 2013

SharePoint 2013,/_api/web/lists,


function deleteListItem(url, listname, id, success, failure) {

    // getting our item to delete, then executing a delete once it's been returned
    getListItem(url, listname, id, function (data) {
        $.ajax({
            url: data.d.__metadata.uri,
            type: "POST",
            headers: {
                "Accept": "application/json;odata=verbose",
                "X-Http-Method": "DELETE",
                "X-RequestDigest": $("#__REQUESTDIGEST").val(),
                "If-Match": data.d.__metadata.etag
            },
            success: function (data) {
                success(data);
            },
            error: function (data) {
                failure(data);
            }
        });
    });

};