diff --git a/duniterpy/api/errors.py b/duniterpy/api/errors.py
index 328e4efc0d43b54316bdb188e168cb9a0e373960..6ee8d15c55373b26e68aa8f824762df1bf31beff 100644
--- a/duniterpy/api/errors.py
+++ b/duniterpy/api/errors.py
@@ -13,6 +13,7 @@ UNHANDLED                            = 1002
 SIGNATURE_DOES_NOT_MATCH             = 1003
 ALREADY_UP_TO_DATE                   = 1004
 WRONG_DOCUMENT                       = 1005
+HTTP_LIMITATION                      = 1006
 
 HTTP_PARAM_PUBKEY_REQUIRED           = 1101
 HTTP_PARAM_IDENTITY_REQUIRED         = 1102