API-informations.textile

@@ -58,3 +58,9 @@ bc. {'api_key' => api_key,
         'HTTP_ACCEPT_LANGUAGE' => 'en-us,en;q=0.5',
         'HTTP_HOST' => 'localhost'},
       'data' => {}}}
+
+h2. Return information
+
+ * If the post works a HTTP code 200 is returned.
+ * If the post has some error on his formatting, the return HTTP code is 422. An Array of all errors reported are send in body.
+ * If the API is unknow or malformed, the HTTP code is 404