diff --git a/scripts/find_interfaces.ps1 b/scripts/find_interfaces.ps1
new file mode 100644
index 0000000..d039598
--- /dev/null
+++ b/scripts/find_interfaces.ps1
@@ -0,0 +1,41 @@
+$fi = $args[0]
+
+if( ! $fi )
+{
+  $fi = "steam_api.dll"
+}
+
+function findinterface
+
+($api)
+{
+  $str = Select-String "$api[0-9][0-9][0-9]" $fi
+  if( $str -match "$api[0-9]{3}" )
+  {
+    Write-Output "$($matches[0])"
+  }  
+}
+
+findinterface SteamClient                            >steam_interfaces.txt
+findinterface SteamGameServer                        >>steam_interfaces.txt
+findinterface SteamGameServerStats                   >>steam_interfaces.txt
+findinterface SteamUser                              >>steam_interfaces.txt
+findinterface SteamFriends                           >>steam_interfaces.txt
+findinterface SteamUtils                             >>steam_interfaces.txt
+findinterface SteamMatchMaking                       >>steam_interfaces.txt
+findinterface SteamMatchMakingServers                >>steam_interfaces.txt
+findinterface STEAMUSERSTATS_INTERFACE_VERSION       >>steam_interfaces.txt
+findinterface STEAMAPPS_INTERFACE_VERSION            >>steam_interfaces.txt
+findinterface SteamNetworking                        >>steam_interfaces.txt
+findinterface STEAMREMOTESTORAGE_INTERFACE_VERSION   >>steam_interfaces.txt
+findinterface STEAMSCREENSHOTS_INTERFACE_VERSION     >>steam_interfaces.txt
+findinterface STEAMHTTP_INTERFACE_VERSION            >>steam_interfaces.txt
+findinterface STEAMUNIFIEDMESSAGES_INTERFACE_VERSION >>steam_interfaces.txt
+findinterface STEAMCONTROLLER_INTERFACE_VERSION      >>steam_interfaces.txt
+findinterface STEAMUGC_INTERFACE_VERSION             >>steam_interfaces.txt
+findinterface STEAMAPPLIST_INTERFACE_VERSION         >>steam_interfaces.txt
+findinterface STEAMMUSIC_INTERFACE_VERSION           >>steam_interfaces.txt
+findinterface STEAMMUSICREMOTE_INTERFACE_VERSION     >>steam_interfaces.txt
+findinterface STEAMHTMLSURFACE_INTERFACE_VERSION_    >>steam_interfaces.txt
+findinterface STEAMINVENTORY_INTERFACE_V             >>steam_interfaces.txt
+findinterface SteamController                        >>steam_interfaces.txt
\ No newline at end of file