diff --git a/a8/curl.cc b/a8/curl.cc
index 25ea454..fa729a0 100644
--- a/a8/curl.cc
+++ b/a8/curl.cc
@@ -15,9 +15,20 @@ namespace a8
             return size * nmemb;
         }
 
-        bool Post(const char* url, std::string& response)
+        bool Post(const char* url, const std::string& content, std::string& response, const char* headers)
         {
-            return true;
+            CURL *curl = curl_easy_init();
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10);
+            curl_easy_setopt(curl, CURLOPT_URL, url);
+            curl_easy_setopt(curl, CURLOPT_HEADER, 0);
+            curl_easy_setopt(curl, CURLOPT_HTTPPOST, 1);
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDS, content.c_str());
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &_ReceiveResponse);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
+            bool ok = curl_easy_perform(curl) == CURLE_OK;
+            curl_easy_cleanup(curl);
+            return ok;
         }
 
         bool Get(const std::string& url, std::string& response, int timeout=10)
@@ -32,5 +43,6 @@ namespace a8
             curl_easy_cleanup(curl);
             return ok;
         }
+
     }
 }
diff --git a/a8/curl.h b/a8/curl.h
index 4aa68fd..925da2a 100644
--- a/a8/curl.h
+++ b/a8/curl.h
@@ -5,7 +5,8 @@ namespace a8
 {
     namespace http
     {
-        bool Post(const char* url, std::string& response);
+        bool Post(const char* url, const std::string& content, std::string& response,
+                  const char* headers = nullptr);
         bool Get(const std::string& url, std::string& response, int timeout=10);
     }
 }
diff --git a/a8/xobject.cc b/a8/xobject.cc
index 2e52469..d157d21 100644
--- a/a8/xobject.cc
+++ b/a8/xobject.cc
@@ -250,6 +250,15 @@ namespace a8
         }
     }
 
+    void XObject::ToUrlEncodeStr(std::string& data)
+    {
+        if (type_ == a8::XOT_OBJECT) {
+            for (auto& pair : *value_.object_value) {
+                data.append("&" + pair.first + "=" + a8::UrlEncode(pair.second->AsXValue().GetString()));
+            }
+        }
+    }
+
     void XObject::JsonValueToXObject(Json::Value& json_val, a8::XObject& xobject)
     {
         Json::ValueType val_type = json_val.type();
diff --git a/a8/xobject.h b/a8/xobject.h
index 5c22f02..1baa3f9 100644
--- a/a8/xobject.h
+++ b/a8/xobject.h
@@ -43,6 +43,7 @@ namespace a8
         bool ReadFromXmlFile(const std::string& filename);
         bool ReadFromXmlString(const std::string& xmldata);
         void ToJsonStr(std::string& data);
+        void ToUrlEncodeStr(std::string& data);
 
     private:
         void JsonValueToXObject(Json::Value& json_val, a8::XObject& xobject);