diff --git a/append.tl b/append.tl
index 0158358..db803a4 100644
--- a/append.tl
+++ b/append.tl
@@ -2,3 +2,6 @@ decryptedMessageMediaVideoL12#4cee6ef3 thumb:bytes thumb_w:int thumb_h:int durat
 decryptedMessageMediaAudioL12#6080758f duration:int size:int key:bytes iv:bytes = DecryptedMessageMedia;
 
 auth.bindTempAuthKey perm_auth_key_id:long nonce:long expires_at:int encrypted_message:string = Bool;
+
+contacts.exportCard = Vector<int>;
+contacts.importCard export_card:Vector<int> = User;
diff --git a/interface.c b/interface.c
index 71e67fa..685a7e7 100644
--- a/interface.c
+++ b/interface.c
@@ -374,6 +374,8 @@ struct command commands[] = {
   {"chat_set_photo", {ca_chat, ca_file_name_end}},
   {"set_profile_photo", {ca_file_name_end}},
   {"accept_secret_chat", {ca_secret_chat, ca_none}},
+  {"export_card", {ca_none}},
+  {"import_card", {ca_string, ca_none}},
   {0, {ca_none}}
 };
 
@@ -559,6 +561,14 @@ void print_user_list_gw (void *extra, int success, int num, struct tgl_user *UL[
   print_end ();
 }
 
+void print_user_gw (void *extra, int success, struct tgl_user *U) {
+  if (!success) { return; }
+  print_start ();
+  print_user_name (U->id, (void *)U);
+  printf ("\n");
+  print_end ();
+}
+
 void print_filename_gw (void *extra, int success, char *name) {
   if (!success) { return; }
   print_start ();
@@ -972,6 +982,17 @@ void secret_chat_update_gw (struct tgl_secret_chat *U, unsigned flags) {
   }
 }
 
+void print_card_gw (void *extra, int success, int size, int *card) {
+  assert (success);
+  print_start ();
+  printf ("Card: ");
+  int i;
+  for (i = 0; i < size; i++) {
+    printf ("%08x%c", card[i], i == size - 1 ? '\n' : ':');
+  }
+  print_end ();
+}
+
 struct tgl_update_callback upd_cb = {
   .new_msg = print_message_gw,
   .marked_read = mark_read_upd,
@@ -1572,6 +1593,36 @@ void interpreter (char *line UU) {
     }
     tgl_do_delete_msg (num, 0, 0);
     tgl_do_restore_msg (num, 0, 0);
+  } else if (IS_WORD ("export_card")) {
+    tgl_do_export_card (print_card_gw, 0);
+  } else if (IS_WORD ("import_card")) {
+    int l;
+    char *s = next_token (&l);
+    if (l > 0) {
+      int i;
+      static int p[10];
+      int pp = 0;
+      int cur = 0;
+      int ok = 1;
+      for (i = 0; i < l; i ++) {
+        if (s[i] >= '0' && s[i] <= '9') {
+          cur = cur * 16 + s[i] - '0';
+        } else if (s[i] >= 'a' && s[i] <= 'f') {
+          cur = cur * 16 + s[i] - 'a' + 10;
+        } else if (s[i] == ':') {
+          if (pp >= 9) { 
+            ok = 0;
+            break;
+          }
+          p[pp ++] = cur;
+          cur = 0;
+        }
+      }
+      if (ok) {
+        p[pp ++] = cur;
+        tgl_do_import_card (pp, p, print_user_gw, 0);
+      }
+    }
   } else if (IS_WORD ("quit")) {
     exit (0);
   } else if (IS_WORD ("accept_secret_chat")) {
diff --git a/queries.c b/queries.c
index d0e7fd7..f0640ef 100644
--- a/queries.c
+++ b/queries.c
@@ -3208,6 +3208,60 @@ void tgl_do_restore_msg (long long id, void (*callback)(void *callback_extra, in
 }
 /* }}} */
 
+/* {{{ Export card */
+
+static int export_card_on_answer (struct query *q UU) {
+  assert (fetch_int () == CODE_vector);
+  int n = fetch_int ();
+  //logprintf ("Restored %d messages\n", n);
+  int *r = talloc (4 * n);
+  fetch_ints (r, n);
+  
+  if (q->callback) {
+    ((void (*)(void *, int, int, int *))q->callback) (q->callback_extra, 1, n, r);
+  }
+  free (r);
+  return 0;
+}
+
+static struct query_methods export_card_methods = {
+  .on_answer = export_card_on_answer,
+  .type = TYPE_TO_PARAM_1(vector, TYPE_TO_PARAM (bare_int))
+};
+
+void tgl_do_export_card (void (*callback)(void *callback_extra, int success, int size, int *card), void *callback_extra) {
+  clear_packet ();
+  out_int (CODE_contacts_export_card);
+  tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &export_card_methods, 0, callback, callback_extra);
+}
+/* }}} */
+
+/* {{{ Import card */
+
+static int import_card_on_answer (struct query *q UU) {
+  struct tgl_user *U = tglf_fetch_alloc_user ();
+  
+  if (q->callback) {
+    ((void (*)(void *, int, struct tgl_user *))q->callback) (q->callback_extra, 1, U);
+  }
+  return 0;
+}
+
+static struct query_methods import_card_methods = {
+  .on_answer = import_card_on_answer,
+  .type = TYPE_TO_PARAM (user)
+};
+
+void tgl_do_import_card (int size, int *card, void (*callback)(void *callback_extra, int success, struct tgl_user *U), void *callback_extra) {
+  clear_packet ();
+  out_int (CODE_contacts_import_card);
+  out_int (CODE_vector);
+  out_int (size);
+  out_ints (card, size);
+  tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &import_card_methods, 0, callback, callback_extra);
+}
+/* }}} */
+
 static void set_flag_4 (void *_D, int success) {
   struct tgl_dc *D = _D;
   assert (success);
diff --git a/tgl.h b/tgl.h
index 119a94e..110bb1c 100644
--- a/tgl.h
+++ b/tgl.h
@@ -274,6 +274,8 @@ void tgl_do_delete_msg (long long id, void (*callback)(void *callback_extra, int
 void tgl_do_restore_msg (long long id, void (*callback)(void *callback_extra, int success), void *callback_extra);
 void tgl_do_update_status (int online, void (*callback)(void *callback_extra, int success), void *callback_extra);
 void tgl_do_help_get_config_dc (struct tgl_dc *D, void (*callback)(void *, int), void *callback_extra);
+void tgl_do_export_card (void (*callback)(void *callback_extra, int success, int size, int *card), void *callback_extra);
+void tgl_do_import_card (int size, int *card, void (*callback)(void *callback_extra, int success, struct tgl_user *U), void *callback_extra);
 
 
 void tgl_do_visualize_key (tgl_peer_id_t id, unsigned char buf[16]);