diff --git a/server/fever.go b/server/fever.go
index 3294a83..220d3f7 100644
--- a/server/fever.go
+++ b/server/fever.go
@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"strconv"
 	"strings"
+	"time"
 )
 
 var feverHandlers = map[string]func(rw http.ResponseWriter, req *http.Request){
@@ -199,6 +200,7 @@ func FeverFaviconsHandler(rw http.ResponseWriter, req *http.Request) {
 func FeverItemsHandler(rw http.ResponseWriter, req *http.Request) {
 	filter := storage.ItemFilter{}
 	query := req.URL.Query()
+	// TODO: must be switch case?
 	if _, ok := query["with_ids"]; ok {
 		ids := make([]int64, 0)
 		for _, idstr := range strings.Split(query.Get("with_ids"), ",") {
@@ -262,5 +264,39 @@ func FeverLinksHandler(rw http.ResponseWriter, req *http.Request) {
 }
 
 func FeverMarkHandler(rw http.ResponseWriter, req *http.Request) {
+	query := req.URL.Query()
 
+	id, err := strconv.ParseInt(query.Get("id"), 10, 0)
+	if err != nil {
+		handler(req).log.Print("invalid id:", err)
+		return
+	}
+
+	switch query.Get("mark") {
+	case "item":
+		var status storage.ItemStatus
+		switch query.Get("as") {
+		case "read":
+			status = storage.READ
+		case "unread":
+			status = storage.UNREAD
+		case "saved":
+			status = storage.STARRED
+		case "unsaved":
+			status = storage.READ
+		default:
+			fmt.Println("TODO: handle")
+		}
+		db(req).UpdateItemStatus(id, status)
+	case "feed":
+		x, _ := strconv.ParseInt(query.Get("before"), 10, 0)
+		before := time.Unix(x, 0)
+		db(req).MarkItemsRead(storage.MarkFilter{FeedID: &id, Before: &before})
+	case "group":
+		x, _ := strconv.ParseInt(query.Get("before"), 10, 0)
+		before := time.Unix(x, 0)
+		db(req).MarkItemsRead(storage.MarkFilter{FolderID: &id, Before: &before})
+	default:
+		fmt.Println("TODO: handle")
+	}
 }
diff --git a/server/handlers.go b/server/handlers.go
index 3d4c300..1556b0f 100644
--- a/server/handlers.go
+++ b/server/handlers.go
@@ -358,7 +358,7 @@ func ItemListHandler(rw http.ResponseWriter, req *http.Request) {
 		})
 	} else if req.Method == "PUT" {
 		query := req.URL.Query()
-		filter := storage.ItemFilter{}
+		filter := storage.MarkFilter{}
 		if folderID, err := strconv.ParseInt(query.Get("folder_id"), 10, 64); err == nil {
 			filter.FolderID = &folderID
 		}
diff --git a/storage/item.go b/storage/item.go
index 233a956..d827c09 100644
--- a/storage/item.go
+++ b/storage/item.go
@@ -67,6 +67,13 @@ type ItemFilter struct {
 	SinceID  *int64
 }
 
+type MarkFilter struct {
+	FolderID *int64
+	FeedID   *int64
+	
+	Before   *time.Time
+}
+
 func (s *Storage) CreateItems(items []Item) bool {
 	tx, err := s.db.Begin()
 	if err != nil {
@@ -240,7 +247,7 @@ func (s *Storage) UpdateItemStatus(item_id int64, status ItemStatus) bool {
 	return err == nil
 }
 
-func (s *Storage) MarkItemsRead(filter ItemFilter) bool {
+func (s *Storage) MarkItemsRead(filter MarkFilter) bool {
 	cond := make([]string, 0)
 	args := make([]interface{}, 0)
 
@@ -252,6 +259,7 @@ func (s *Storage) MarkItemsRead(filter ItemFilter) bool {
 		cond = append(cond, "i.feed_id = ?")
 		args = append(args, *filter.FeedID)
 	}
+	// TODO: filter.Before
 	predicate := "1"
 	if len(cond) > 0 {
 		predicate = strings.Join(cond, " and ")