diff --git a/cmd/server/main.go b/cmd/server/main.go
index 3a59f39..bbf479b 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -34,7 +34,7 @@ type Handler struct {
 
 type DB interface {
 	GetQuestion(string) (Question, error)
-	PutAnswer(string, Answer) error
+	PutAnswer(string, string, Answer) error
 	GetAnswers(string) ([]Answer, error)
 }
 
@@ -174,8 +174,8 @@ func (h Handler) handle(session Session, w http.ResponseWriter, r *http.Request)
 }
 
 func (h Handler) handleAPIV1Question(session Session, w http.ResponseWriter, r *http.Request) error {
-	id := path.Base(r.URL.Path)
-	q, err := h.db.GetQuestion(id)
+	qid := path.Base(r.URL.Path)
+	q, err := h.db.GetQuestion(qid)
 	if err != nil {
 		return err
 	}
@@ -187,11 +187,31 @@ func (h Handler) handleAPIV1Questions(session Session, w http.ResponseWriter, r
 }
 
 func (h Handler) handleAPIV1Answers(session Session, w http.ResponseWriter, r *http.Request) error {
+	switch r.Method {
+	case http.MethodGet:
+		return h.handleAPIV1AnswersGet(session, w, r)
+	case http.MethodPost:
+		return h.handleAPIV1AnswersPost(session, w, r)
+	}
+	http.NotFound(w, r)
+	return nil
+}
+
+func (h Handler) handleAPIV1AnswersGet(session Session, w http.ResponseWriter, r *http.Request) error {
+	qid := path.Base(r.URL.Path)
+	as, err := h.db.GetAnswers(qid)
+	if err != nil {
+		return err
+	}
+	return json.NewEncoder(w).Encode(as)
+}
+
+func (h Handler) handleAPIV1AnswersPost(session Session, w http.ResponseWriter, r *http.Request) error {
 	return errors.New("not impl")
 }
 
-func (db fsDB) GetQuestion(id string) (Question, error) {
-	p := db.path(id)
+func (db fsDB) GetQuestion(qid string) (Question, error) {
+	p := db.path(qid)
 	b, err := os.ReadFile(p)
 	if err != nil {
 		return Question{}, err
@@ -204,12 +224,35 @@ func (db fsDB) GetQuestion(id string) (Question, error) {
 	return q, nil
 }
 
-func (db fsDB) PutAnswer(id string, a Answer) error {
-	return errors.New("not impl")
+func (db fsDB) PutAnswer(qid, uid string, a Answer) error {
+	p := path.Join(db.path(qid)+".d", uid)
+	os.MkdirAll(path.Dir(p), os.ModePerm)
+	b, err := json.Marshal(a)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(p, b, os.ModePerm)
 }
 
-func (db fsDB) GetAnswers(id string) ([]Answer, error) {
-	return nil, errors.New("not impl")
+func (db fsDB) GetAnswers(qid string) ([]Answer, error) {
+	p := db.path(qid) + ".d"
+	entries, err := os.ReadDir(p)
+	if err != nil {
+		return nil, err
+	}
+	results := []Answer{}
+	for _, entry := range entries {
+		b, err := os.ReadFile(entry.Name())
+		if err != nil {
+			return nil, err
+		}
+		var a Answer
+		if err := json.Unmarshal(b, &a); err != nil {
+			return nil, err
+		}
+		results = append(results, a)
+	}
+	return results, nil
 }
 
 func (db fsDB) path(q string) string {
diff --git a/cmd/server/main_test.go b/cmd/server/main_test.go
index 5018f67..43cf210 100644
--- a/cmd/server/main_test.go
+++ b/cmd/server/main_test.go
@@ -81,7 +81,7 @@ func TestRunHTTP(t *testing.T) {
 		t.Errorf("not impl: %s", w.Body.Bytes())
 	})
 
-	t.Run("/api/v1/answers", func(t *testing.T) {
+	t.Run("GET /api/v1/answers", func(t *testing.T) {
 		r := httptest.NewRequest(http.MethodGet, "/api/v1/answers", nil)
 		r.SetBasicAuth("b", "b")
 		w := httptest.NewRecorder()
@@ -93,6 +93,19 @@ func TestRunHTTP(t *testing.T) {
 		}
 		t.Errorf("not impl: %s", w.Body.Bytes())
 	})
+
+	t.Run("POST /api/v1/answers", func(t *testing.T) {
+		r := httptest.NewRequest(http.MethodPost, "/api/v1/answers", nil)
+		r.SetBasicAuth("b", "b")
+		w := httptest.NewRecorder()
+		t.Logf("%s %s", r.Method, r.URL)
+		h.ServeHTTP(w, r)
+		t.Logf("(%d) %s", w.Code, w.Body.Bytes())
+		if w.Code != http.StatusNotFound {
+			t.Error(w.Code)
+		}
+		t.Errorf("not impl: %s", w.Body.Bytes())
+	})
 }
 
 func TestPublic(t *testing.T) {