diff --git a/api/handler/api.go b/api/handler/api.go
index 9499fca..bdea914 100644
--- a/api/handler/api.go
+++ b/api/handler/api.go
@@ -20,6 +20,8 @@ type (
 	}
 )
 
+const notSupported = "Not supported by NeoFS S3 Gate: "
+
 var _ api.Handler = (*handler)(nil)
 
 func New(log *zap.Logger, obj layer.Client) (api.Handler, error) {
diff --git a/api/handler/not-support.go b/api/handler/not-support.go
new file mode 100644
index 0000000..f5795eb
--- /dev/null
+++ b/api/handler/not-support.go
@@ -0,0 +1,72 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/nspcc-dev/neofs-s3-gate/api"
+)
+
+func (h *handler) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) DeleteBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) DeleteBucketEncryptionHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) PutBucketTaggingHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) PutBucketVersioningHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) PutBucketNotificationHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}
+
+func (h *handler) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
+	api.WriteErrorResponse(r.Context(), w, api.Error{
+		Code:           api.GetAPIError(api.ErrBadRequest).Code,
+		Description:    notSupported + mux.CurrentRoute(r).GetName(),
+		HTTPStatusCode: http.StatusNotImplemented,
+	}, r.URL)
+}