diff --git a/waybackpy/exceptions.py b/waybackpy/exceptions.py
new file mode 100644
index 0000000..b53e00d
--- /dev/null
+++ b/waybackpy/exceptions.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+
+class TooManyArchivingRequests(Exception):
+    """
+    Error when a single url reqeusted for archiving too many times in a short timespam.
+    Wayback machine doesn't supports archivng any url too many times in a short period of time.
+    """
+
+class ArchivingNotAllowed(Exception):
+    """
+    Files like robots.txt are set to deny robot archiving.
+    Wayback machine respects these file, will not archive.
+    """
+
+class PageNotSaved(Exception):
+    """
+    When unable to save a webpage.
+    """
+
+class ArchiveNotFound(Exception):
+    """
+    When a page was never archived but client asks for old archive.
+    """
+
+class UrlNotFound(Exception):
+    """
+    Raised when 404 UrlNotFound.
+    """
+
+class BadGateWay(Exception):
+    """
+    Raised when 502 bad gateway.
+    """
+
+class InvalidUrl(Exception):
+    """
+    Raised when url doesn't follow the standard url format.
+    """