diff --git a/internal/app/handlers.go b/internal/app/handlers.go
index e2a66727..5c5a4a98 100644
--- a/internal/app/handlers.go
+++ b/internal/app/handlers.go
@@ -779,6 +779,35 @@ func (app *App) syncGetRootV3(c *gin.Context) {
 	})
 }
 
+func (app *App) checkFilesPresence(c *gin.Context) {
+	uid := c.GetString(userIDKey)
+	var req messages.CheckFiles
+	if err := c.ShouldBindJSON(&req); err != nil {
+		log.Error(err)
+		badReq(c, err.Error())
+		return
+	}
+
+	mfs := message.MissingFiles{}
+
+	for _, fileid := range req.Files {
+		_, _, err := app.blobStorer.GetBlobURL(uid, fileid, false)
+		if err != nil {
+			mfs = append(mfs, fileid)
+		}
+	}
+
+	c.JSON(http.StatusOK, mfs)
+}
+
+func (app *App) checkMissingBlob(c *gin.Context) {
+	mhs := message.MissingHashes{}
+
+	// TODO
+
+	c.JSON(http.StatusOK, mhs)
+}
+
 func (app *App) blobStorageRead(c *gin.Context) {
 	uid := c.GetString(userIDKey)
 	blobID := common.ParamS(fileKey, c)
diff --git a/internal/app/routes.go b/internal/app/routes.go
index 9a7513ec..1d9cdb31 100644
--- a/internal/app/routes.go
+++ b/internal/app/routes.go
@@ -91,6 +91,16 @@ func (app *App) registerRoutes(router *gin.Engine) {
 		}
 		c.Status(http.StatusOK)
 	})
+	router.POST("/v2/reports", func(c *gin.Context) {
+		_, err := ioutil.ReadAll(c.Request.Body)
+
+		if err != nil {
+			log.Warn("cant parse telemetry, ignored")
+			c.Status(http.StatusOK)
+			return
+		}
+		c.Status(http.StatusOK)
+	})
 
 	//routes needing api authentitcation
 	authRoutes := router.Group("/")
@@ -144,5 +154,8 @@ func (app *App) registerRoutes(router *gin.Engine) {
 		authRoutes.PUT("/sync/v3/root", app.syncUpdateRootV3)
 		authRoutes.GET("/sync/v3/files/:"+fileKey, app.blobStorageRead)
 		authRoutes.PUT("/sync/v3/files/:"+fileKey, app.blobStorageWrite)
+
+		authRoutes.POST("/sync/v3/check-files", app.checkFilesPresence)
+		authRoutes.GET("/sync/v3/missing", app.checkMissingBlob)
 	}
 }
diff --git a/internal/messages/messages.go b/internal/messages/messages.go
index c6608885..f888f2f5 100644
--- a/internal/messages/messages.go
+++ b/internal/messages/messages.go
@@ -142,6 +142,20 @@ type SyncRootV3 struct {
 	Hash       string `json:"hash,omitempty"`
 }
 
+type CheckFiles struct {
+	Filename string   `json:"filename"`
+	Files    []string `json:"files"`
+	Reason   string   `json:"reason"`
+}
+
+type MissingFiles struct {
+	MissingFiles []string `json:"missingFiles"`
+}
+
+type MissingHashes struct {
+	Hashes []string `json:"hashes"`
+}
+
 // IntegrationsResponse integrations
 type IntegrationsResponse struct {
 	Integrations []Integration `json:"integrations"`