diff --git a/dlls/winhttp/session.c b/dlls/winhttp/session.c
index 186b70e4a2d..228eb646ae0 100644
--- a/dlls/winhttp/session.c
+++ b/dlls/winhttp/session.c
@@ -2028,6 +2028,113 @@ BOOL WINAPI WinHttpSetDefaultProxyConfiguration( WINHTTP_PROXY_INFO *info )
     return ret;
 }
 
+/***********************************************************************
+ *          WinHttpCreateProxyResolver (winhttp.@)
+ */
+DWORD WINAPI WinHttpCreateProxyResolver( HINTERNET hsession, HINTERNET *hresolver )
+{
+    FIXME("%p, %p\n", hsession, hresolver);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpFreeProxyResult (winhttp.@)
+ */
+void WINAPI WinHttpFreeProxyResult( WINHTTP_PROXY_RESULT *result )
+{
+    FIXME("%p\n", result);
+}
+
+/***********************************************************************
+ *          WinHttpFreeProxyResultEx (winhttp.@)
+ */
+void WINAPI WinHttpFreeProxyResultEx( WINHTTP_PROXY_RESULT_EX *result )
+{
+    FIXME("%p\n", result);
+}
+
+/***********************************************************************
+ *          WinHttpFreeProxySettings (winhttp.@)
+ */
+void WINAPI WinHttpFreeProxySettings( WINHTTP_PROXY_SETTINGS *settings )
+{
+    FIXME("%p\n", settings);
+}
+
+/***********************************************************************
+ *          WinHttpGetProxyForUrlEx (winhttp.@)
+ */
+DWORD WINAPI WinHttpGetProxyForUrlEx( HINTERNET hresolver, const WCHAR *url, WINHTTP_AUTOPROXY_OPTIONS *options,
+                                      DWORD_PTR ctx )
+{
+    FIXME("%p, %s, %p, %lx\n", hresolver, debugstr_w(url), options, ctx);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpGetProxyForUrlEx2 (winhttp.@)
+ */
+DWORD WINAPI WinHttpGetProxyForUrlEx2( HINTERNET hresolver, const WCHAR *url, WINHTTP_AUTOPROXY_OPTIONS *options,
+                                       DWORD selection_len, BYTE *selection, DWORD_PTR ctx )
+{
+    FIXME("%p, %s, %p, %u, %p, %lx\n", hresolver, debugstr_w(url), options, selection_len, selection, ctx);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpGetProxyResult (winhttp.@)
+ */
+DWORD WINAPI WinHttpGetProxyResult( HINTERNET hresolver, WINHTTP_PROXY_RESULT *result )
+{
+    FIXME("%p, %p\n", hresolver, result);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpGetProxyResultEx (winhttp.@)
+ */
+DWORD WINAPI WinHttpGetProxyResultEx( HINTERNET hresolver, WINHTTP_PROXY_RESULT_EX *result )
+{
+    FIXME("%p, %p\n", hresolver, result);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpGetProxySettingsVersion (winhttp.@)
+ */
+DWORD WINAPI WinHttpGetProxySettingsVersion( HINTERNET hsession, DWORD *version )
+{
+    FIXME("%p, %p\n", hsession, version);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpReadProxySettings (winhttp.@)
+ */
+DWORD WINAPI WinHttpReadProxySettings( HINTERNET hsession, const WCHAR *connection, BOOL use_defaults,
+                                       BOOL set_autodiscover, DWORD *version, BOOL *defaults_returned,
+                                       WINHTTP_PROXY_SETTINGS *settings)
+{
+    FIXME("%p, %s, %d, %d, %p, %p, %p\n", hsession, debugstr_w(connection), use_defaults, set_autodiscover,
+          version, defaults_returned, settings);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+/***********************************************************************
+ *          WinHttpResetAutoProxy (winhttp.@)
+ */
+DWORD WINAPI WinHttpResetAutoProxy( HINTERNET hsession, DWORD flags )
+{
+    FIXME("%p, %08x\n", hsession, flags);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
+DWORD WINAPI WinHttpWriteProxySettings( HINTERNET hsession, BOOL force, WINHTTP_PROXY_SETTINGS *settings )
+{
+    FIXME("%p, %d, %p\n", hsession, force, settings);
+    return ERROR_WINHTTP_AUTO_PROXY_SERVICE_ERROR;
+}
+
 /***********************************************************************
  *          WinHttpSetStatusCallback (winhttp.@)
  */
diff --git a/dlls/winhttp/winhttp.spec b/dlls/winhttp/winhttp.spec
index beace245a8c..581918791e3 100644
--- a/dlls/winhttp/winhttp.spec
+++ b/dlls/winhttp/winhttp.spec
@@ -7,11 +7,20 @@
 @ stdcall WinHttpCloseHandle(ptr)
 @ stdcall WinHttpConnect(ptr wstr long long)
 @ stdcall WinHttpCrackUrl(wstr long long ptr)
+@ stdcall WinHttpCreateProxyResolver(ptr ptr)
 @ stdcall WinHttpCreateUrl(ptr long ptr ptr)
 @ stdcall WinHttpDetectAutoProxyConfigUrl(long ptr)
+@ stdcall WinHttpFreeProxyResult(ptr)
+@ stdcall WinHttpFreeProxyResultEx(ptr)
+@ stdcall WinHttpFreeProxySettings(ptr)
 @ stdcall WinHttpGetDefaultProxyConfiguration(ptr)
 @ stdcall WinHttpGetIEProxyConfigForCurrentUser(ptr)
 @ stdcall WinHttpGetProxyForUrl(ptr wstr ptr ptr)
+@ stdcall WinHttpGetProxyForUrlEx(ptr wstr ptr ptr)
+@ stdcall WinHttpGetProxyForUrlEx2(ptr wstr ptr long ptr ptr)
+@ stdcall WinHttpGetProxyResult(ptr ptr)
+@ stdcall WinHttpGetProxyResultEx(ptr ptr)
+@ stdcall WinHttpGetProxySettingsVersion(ptr ptr)
 @ stdcall WinHttpOpen(wstr long wstr wstr long)
 @ stdcall WinHttpOpenRequest(ptr wstr wstr wstr wstr ptr long)
 @ stdcall WinHttpQueryAuthSchemes(ptr ptr ptr ptr)
@@ -19,7 +28,9 @@
 @ stdcall WinHttpQueryHeaders(ptr long wstr ptr ptr ptr)
 @ stdcall WinHttpQueryOption(ptr long ptr ptr)
 @ stdcall WinHttpReadData(ptr ptr long ptr)
+@ stdcall WinHttpReadProxySettings(ptr wstr long long ptr ptr ptr)
 @ stdcall WinHttpReceiveResponse(ptr ptr)
+@ stdcall WinHttpResetAutoProxy(ptr long)
 @ stdcall WinHttpSendRequest(ptr wstr long ptr long long long)
 @ stdcall WinHttpSetCredentials(ptr long long wstr ptr ptr)
 @ stdcall WinHttpSetDefaultProxyConfiguration(ptr)
@@ -35,3 +46,4 @@
 @ stdcall WinHttpWebSocketSend(ptr long ptr long)
 @ stdcall WinHttpWebSocketShutdown(ptr long ptr long)
 @ stdcall WinHttpWriteData(ptr ptr long ptr)
+@ stdcall WinHttpWriteProxySettings(ptr long ptr)