diff --git a/src/cocoatweet/exception/authenticateException.h b/src/cocoatweet/exception/authenticateException.h
new file mode 100644
index 0000000..ecf4027
--- /dev/null
+++ b/src/cocoatweet/exception/authenticateException.h
@@ -0,0 +1,12 @@
+#ifndef COCOATWEET_EXCEPTION_AUTHENTICATEEXCEPTION_H_
+#define COCOATWEET_EXCEPTION_AUTHENTICATEEXCEPTION_H_
+
+#include <cocoatweet/exception/exception.h>
+
+namespace CocoaTweet::Exception{
+		class AuthenticateException final: Exception{
+				using Exception::Exception;
+		};
+}
+
+#endif
diff --git a/src/cocoatweet/exception/exception.h b/src/cocoatweet/exception/exception.h
new file mode 100644
index 0000000..3e2572f
--- /dev/null
+++ b/src/cocoatweet/exception/exception.h
@@ -0,0 +1,18 @@
+#ifndef COCOATWEET_EXCEPTION_EXCEPTION_H_
+#define COCOATWEET_EXCEPTION_EXCEPTION_H_
+
+#include <string>
+#include <exception>
+
+namespace CocoaTweet::Exception{
+class Exception: public std::exception{
+		public:
+				Exception(const char* _msg):msg_(std::string(_msg)){}
+				const std::string& what(){return msg_;}
+				virtual ~Exception() = default;
+		protected:
+				std::string msg_;
+};
+}
+
+#endif
diff --git a/src/cocoatweet/exception/rateLimitException.h b/src/cocoatweet/exception/rateLimitException.h
new file mode 100644
index 0000000..3457347
--- /dev/null
+++ b/src/cocoatweet/exception/rateLimitException.h
@@ -0,0 +1,12 @@
+#ifndef COCOATWEET_EXCEPTION_RATELIMITEXCEPTION_H_
+#define COCOATWEET_EXCEPTION_RATELIMITEXCEPTION_H_
+
+#include <cocoatweet/exception/exception.h>
+
+namespace CocoaTweet::Exception{
+		class RateLimitException final: Exception{
+				using Exception::Exception;
+		};
+}
+
+#endif
diff --git a/src/cocoatweet/exception/tweetDuplicateException.h b/src/cocoatweet/exception/tweetDuplicateException.h
new file mode 100644
index 0000000..385f82c
--- /dev/null
+++ b/src/cocoatweet/exception/tweetDuplicateException.h
@@ -0,0 +1,12 @@
+#ifndef COCOATWEET_EXCEPTION_TWEETDUPLICATEEXCEPTION_H_
+#define COCOATWEET_EXCEPTION_TWEETDUPLICATEEXCEPTION_H_
+
+#include <cocoatweet/exception/exception.h>
+
+namespace CocoaTweet::Exception{
+		class TweetDuplicateException final: Exception{
+				using Exception::Exception;
+		};
+}
+
+#endif
diff --git a/src/cocoatweet/exception/tweetNotFoundException.h b/src/cocoatweet/exception/tweetNotFoundException.h
new file mode 100644
index 0000000..05fd98d
--- /dev/null
+++ b/src/cocoatweet/exception/tweetNotFoundException.h
@@ -0,0 +1,12 @@
+#ifndef COCOATWEET_EXCEPTION_TWEETNOTFOUNDEXCEPTION_H_
+#define COCOATWEET_EXCEPTION_TWEETNOTFOUNDEXCEPTION_H_
+
+#include <cocoatweet/exception/exception.h>
+
+namespace CocoaTweet::Exception{
+		class TweetNotFoundException final: Exception{
+				using Exception::Exception;
+		};
+}
+
+#endif
diff --git a/src/cocoatweet/exception/tweetTooLongException.h b/src/cocoatweet/exception/tweetTooLongException.h
new file mode 100644
index 0000000..2aaed1f
--- /dev/null
+++ b/src/cocoatweet/exception/tweetTooLongException.h
@@ -0,0 +1,12 @@
+#ifndef COCOATWEET_EXCEPTION_TWEETTOOLONGEXCEPTION_H_
+#define COCOATWEET_EXCEPTION_TWEETTOOLONGEXCEPTION_H_
+
+#include <cocoatweet/exception/exception.h>
+
+namespace CocoaTweet::Exception{
+		class TweetTooLongException final: Exception{
+				using Exception::Exception;
+		};
+}
+
+#endif