diff --git a/pkg/notifications/database.go b/pkg/notifications/database.go
index a1795e9f37f..fe92bc5df4f 100644
--- a/pkg/notifications/database.go
+++ b/pkg/notifications/database.go
@@ -97,3 +97,11 @@ func MarkNotificationAsRead(s *xorm.Session, notification *DatabaseNotification,
 		Update(notification)
 	return
 }
+
+func MarkAllNotificationsAsRead(s *xorm.Session, userID int64) (err error) {
+	_, err = s.
+		Where("notifiable_id = ?", userID).
+		Cols("read_at").
+		Update(&DatabaseNotification{ReadAt: time.Now()})
+	return
+}
diff --git a/pkg/routes/api/v1/notifications.go b/pkg/routes/api/v1/notifications.go
new file mode 100644
index 00000000000..783d50dfcff
--- /dev/null
+++ b/pkg/routes/api/v1/notifications.go
@@ -0,0 +1,55 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-present Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public Licensee as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public Licensee for more details.
+//
+// You should have received a copy of the GNU Affero General Public Licensee
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package v1
+
+import (
+	"code.vikunja.io/api/pkg/db"
+	"code.vikunja.io/api/pkg/models"
+	"code.vikunja.io/api/pkg/modules/auth"
+	"code.vikunja.io/api/pkg/notifications"
+	"github.com/labstack/echo/v4"
+	"net/http"
+)
+
+// MarkAllNotificationsAsRead marks all notifications of a user as read
+// @Summary Mark all notifications of a user as read
+// @tags sharing
+// @Accept json
+// @Produce json
+// @Success 200 {object} models.Message "All notifications marked as read."
+// @Failure 500 {object} models.Message "Internal error"
+// @Router /notifications [post]
+func MarkAllNotificationsAsRead(c echo.Context) error {
+	s := db.NewSession()
+	defer s.Close()
+
+	a, err := auth.GetAuthFromClaims(c)
+	if err != nil {
+		return err
+	}
+
+	if _, is := a.(*models.LinkSharing); is {
+		return echo.ErrForbidden
+	}
+
+	err = notifications.MarkAllNotificationsAsRead(s, a.GetID())
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(http.StatusOK, models.Message{Message: "success"})
+}
diff --git a/pkg/routes/routes.go b/pkg/routes/routes.go
index 04a98c7386f..d63fff981ac 100644
--- a/pkg/routes/routes.go
+++ b/pkg/routes/routes.go
@@ -535,6 +535,7 @@ func registerAPIRoutes(a *echo.Group) {
 	}
 	a.GET("/notifications", notificationHandler.ReadAllWeb)
 	a.POST("/notifications/:notificationid", notificationHandler.UpdateWeb)
+	a.POST("/notifications", apiv1.MarkAllNotificationsAsRead)
 
 	// Migrations
 	m := a.Group("/migration")
diff --git a/rest/mark all notifications as read.bru b/rest/mark all notifications as read.bru
new file mode 100644
index 00000000000..ab8bcb58136
--- /dev/null
+++ b/rest/mark all notifications as read.bru	
@@ -0,0 +1,14 @@
+meta {
+  name: mark all notifications as read
+  type: http
+  seq: 3
+}
+
+post {
+  url: {{host}}/api/v1/notifications
+  body: none
+}
+
+headers {
+  Authorization: Bearer {{token}}
+}