diff --git a/spike/review/reinvent/ezmded/server/server.go b/spike/review/reinvent/ezmded/server/server.go
index 7817009..b99bf46 100644
--- a/spike/review/reinvent/ezmded/server/server.go
+++ b/spike/review/reinvent/ezmded/server/server.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"path"
 	"strings"
+	"time"
 
 	"github.com/google/uuid"
 )
@@ -113,10 +114,6 @@ func (server *Server) apiV0MediaIDGetHandler(w http.ResponseWriter, r *http.Requ
 	return server.getContentHandler(server.diskMediaPath(id), w, r)
 }
 
-func (server *Server) apiV0FilesHandler(w http.ResponseWriter, r *http.Request) error {
-	return errors.New("not impl: apiV0FilesHandler")
-}
-
 func (server *Server) getContentHandler(filePath string, w http.ResponseWriter, r *http.Request) error {
 	if r.Method != http.MethodGet {
 		return errors.New("not found")
@@ -138,6 +135,10 @@ func (server *Server) postContentHandler(filePath string, w http.ResponseWriter,
 	if r.Method != http.MethodPost {
 		return errors.New("not found")
 	}
+	return server.putContentHandler(filePath, w, r)
+}
+
+func (server *Server) putContentHandler(filePath string, w http.ResponseWriter, r *http.Request) error {
 	defer r.Body.Close()
 	b, err := ioutil.ReadAll(r.Body)
 	if err != nil {
@@ -146,14 +147,6 @@ func (server *Server) postContentHandler(filePath string, w http.ResponseWriter,
 	return ensureAndWrite(filePath, b)
 }
 
-func (server *Server) apiV0FilesIDHandler(w http.ResponseWriter, r *http.Request) error {
-	return errors.New("not impl" + r.URL.Path)
-}
-
-func (server *Server) apiV0SearchHandler(w http.ResponseWriter, r *http.Request) error {
-	return errors.New("not impl" + r.URL.Path)
-}
-
 func (server *Server) rootHandler(w http.ResponseWriter, r *http.Request) error {
 	return server.getContentHandler(path.Join(server.root, "index.html"), w, r)
 }
@@ -162,6 +155,91 @@ func (server *Server) tree() *Tree {
 	return NewTree(path.Join(server.root, "tree.yaml"))
 }
 
+func (server *Server) diskFilePath(id string) string {
+	return path.Join(server.root, "files", id)
+}
+
 func (server *Server) diskMediaPath(id string) string {
 	return path.Join(server.root, "media", id)
 }
+
+func (server *Server) apiV0FilesHandler(w http.ResponseWriter, r *http.Request) error {
+	id := uuid.New().String()
+	filePath := server.diskFilePath(id)
+	if err := server.postContentHandler(filePath, w, r); err != nil {
+		return err
+	}
+	return json.NewEncoder(w).Encode(map[string]map[string]string{
+		"data": map[string]string{
+			"filePath": path.Join("/api/v0/files", id),
+		},
+	})
+}
+
+func (server *Server) apiV0FilesIDHandler(w http.ResponseWriter, r *http.Request) error {
+	switch r.Method {
+	case http.MethodPut:
+		return server.apiV0FilesIDPutHandler(w, r)
+	case http.MethodGet:
+		return server.apiV0FilesIDGetHandler(w, r)
+	case http.MethodDelete:
+		return server.apiV0FilesIDDelHandler(w, r)
+	}
+	http.NotFound(w, r)
+	return nil
+}
+
+func (server *Server) apiV0FilesIDPutHandler(w http.ResponseWriter, r *http.Request) error {
+	id := path.Base(r.URL.Path)
+	tree := server.tree()
+	branches, err := tree.Get()
+	if err != nil {
+		return err
+	}
+	branch, ok := branches[id]
+	if !ok {
+		http.NotFound(w, r)
+		return nil
+	}
+	branch.Updated = time.Now().UTC()
+	if title := r.Header.Get("Title"); title != "" {
+		branch.Title = title
+	}
+	branch.Deleted = false
+	if err := server.putContentHandler(server.diskFilePath(id), w, r); err != nil {
+		return err
+	}
+	return tree.Put(id, branch)
+}
+
+func (server *Server) apiV0FilesIDGetHandler(w http.ResponseWriter, r *http.Request) error {
+	tree := server.tree()
+	branches, err := tree.Get()
+	if err != nil {
+		return err
+	}
+	id := path.Base(r.URL.Path)
+	branch, _ := branches[id]
+	w.Header().Set("Title", branch.Title)
+	return server.getContentHandler(server.diskFilePath(id), w, r)
+}
+
+func (server *Server) apiV0FilesIDDelHandler(w http.ResponseWriter, r *http.Request) error {
+	tree := server.tree()
+	branches, err := tree.Get()
+	if err != nil {
+		return err
+	}
+	id := path.Base(r.URL.Path)
+	branch, ok := branches[id]
+	if !ok {
+		return nil
+	}
+	branch.Deleted = true
+	branch.Updated = time.Now().UTC()
+	return tree.Put(id, branch)
+}
+
+func (server *Server) apiV0SearchHandler(w http.ResponseWriter, r *http.Request) error {
+	return errors.New("not impl" + r.URL.Path)
+}
diff --git a/spike/review/reinvent/ezmded/server/server_test.go b/spike/review/reinvent/ezmded/server/server_test.go
index 7488c6e..88e9b1e 100644
--- a/spike/review/reinvent/ezmded/server/server_test.go
+++ b/spike/review/reinvent/ezmded/server/server_test.go
@@ -17,11 +17,18 @@ func TestServerRoutes(t *testing.T) {
 
 	ensureAndWrite(server.diskMediaPath("id"), []byte("hi"))
 	ensureAndWrite(server.diskMediaPath("delid"), []byte("hi"))
+	ensureAndWrite(server.diskFilePath("getfid"), []byte("getfid body"))
+	ensureAndWrite(server.diskFilePath("putfid"), []byte("initial putfid body"))
+	ensureAndWrite(server.diskFilePath("delfid"), []byte("delfid body"))
 	ensureAndWrite(path.Join(server.root, "index.html"), []byte("mom"))
+	server.tree().Put("putfid", Branch{})
+	server.tree().Put("delfid", Branch{Title: "delfid title"})
+	server.tree().Put("getfid", Branch{Title: "getfid title"})
 
 	cases := map[string]struct {
 		path   string
 		method string
+		body   string
 		want   string
 	}{
 		"v0: /: get": {
@@ -36,7 +43,7 @@ func TestServerRoutes(t *testing.T) {
 		"v0: tree: get": {
 			path:   "/api/v0/tree",
 			method: http.MethodGet,
-			want:   "{}",
+			want:   `{"delfid":{"Title":"delfid title",`,
 		},
 		"v0: media: post": {
 			path:   "/api/v0/media",
@@ -57,15 +64,25 @@ func TestServerRoutes(t *testing.T) {
 			method: http.MethodPost,
 		},
 		"v0: files id: get": {
-			path:   "/api/v0/files/id",
+			path:   "/api/v0/files/getfid",
 			method: http.MethodGet,
+			want:   "getfid body",
+		},
+		"v0: files id: put": {
+			path:   "/api/v0/files/putfid",
+			method: http.MethodPut,
+			body:   "putfid body",
+		},
+		"v0: files id: del": {
+			path:   "/api/v0/files/delfid",
+			method: http.MethodDelete,
 		},
 	}
 
 	for name, d := range cases {
 		c := d
 		t.Run(name, func(t *testing.T) {
-			r := httptest.NewRequest(c.method, c.path, nil)
+			r := httptest.NewRequest(c.method, c.path, strings.NewReader(c.body))
 			w := httptest.NewRecorder()
 			server.ServeHTTP(w, r)
 			if w.Code == http.StatusNotFound {
@@ -78,7 +95,7 @@ func TestServerRoutes(t *testing.T) {
 				if len(c.want) > 0 && !strings.Contains(string(w.Body.Bytes()), c.want) {
 					t.Fatal(w)
 				}
-				t.Logf("%s %s => %s", c.method, c.path, w.Body.Bytes())
+				t.Logf("%s %s (%+v) => %s", c.method, c.path, w.Header(), w.Body.Bytes())
 			}
 		})
 	}