diff --git a/rdioh.cabal b/rdioh.cabal
--- a/rdioh.cabal
+++ b/rdioh.cabal
@@ -1,5 +1,5 @@
 name: rdioh
-version: 0.2.0
+version: 0.2.1
 category: Network, API, Web
 license: MIT
 license-file: LICENSE
@@ -14,7 +14,7 @@
 
 library
   build-depends: base >= 3 && <= 5 , mtl , MissingH , bytestring , json , hoauth , urlencoded, aeson, containers, transformers
-  exposed-modules: Rdioh, Rdioh.Models, Rdioh.Auth
+  exposed-modules: Rdioh, Rdioh.Models, Rdioh.Auth, Rdioh.Util
 
   hs-source-dirs: src
   extensions: FlexibleContexts
diff --git a/src/Rdioh/Util.hs b/src/Rdioh/Util.hs
new file mode 100644
--- /dev/null
+++ b/src/Rdioh/Util.hs
@@ -0,0 +1,98 @@
+{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
+module Rdioh.Util where
+import qualified Data.URLEncoded as UE
+import qualified Data.List.Utils as U
+import qualified Text.JSON as J
+import Rdioh.Models
+
+-- | used internally to convert a list of parameters to a string that can be passed via GET/POST
+toParams :: [(String, String)] -> String
+toParams = show . UE.importList
+
+-- | used internally
+(<+>) :: Param p => [(String, String)] -> (String, Maybe p) -> [(String, String)]
+arr <+> (_, Nothing) = arr
+arr <+> (str, (Just param)) = arr ++ [(str, toParam param)]
+
+-- | used internally to easily convert different Rdio types to params for
+-- | requests. You can use @toParam@ to do this if you want.
+class Param a where
+    toParam :: a -> String
+
+instance Param Bool where
+    toParam True = "true"
+    toParam False = "false"
+
+instance Param Int where
+    toParam val = show val
+
+instance Param String where
+    toParam val = val
+
+instance Param [String] where
+    toParam list = U.join "," list
+
+instance Param PlaylistType where
+    toParam = show
+
+instance Param CollaborationMode where
+    toParam NoCollaboration = "0"
+    toParam CollaborationWithAll = "1"
+    toParam CollaborationWithFollowed = "2"
+
+instance Param Scope where
+    toParam = show
+
+instance Param Timeframe where
+    toParam = show
+
+-- class RdioType a where
+--     typeName :: String
+
+-- instance RdioType Album where
+--   typeName = "Album"
+
+-- instance RdioType Artist where
+--   typeName = "Artist"
+
+-- instance RdioType Label where
+--   typeName = "Label"
+
+-- instance RdioType Track where
+--   typeName = "Track"
+
+-- instance RdioType Playlist where
+--   typeName = "Playlist"
+
+-- instance RdioType UserPlaylists where
+--   typeName = "UserPlaylists"
+
+-- instance RdioType User where
+--   typeName = "User"
+
+-- instance RdioType CollectionAlbum where
+--   typeName = "CollectionAlbum"
+
+-- instance RdioType CollectionArtist where
+--   typeName = "CollectionArtist"
+
+-- instance RdioType LabelStation where
+--   typeName = "LabelStation"
+
+-- instance RdioType ArtistStation where
+--   typeName = "ArtistStation"
+
+-- instance RdioType HeavyRotationUserStation where
+--   typeName = "HeavyRotationUserStation"
+
+-- instance RdioType ArtistTopSongsStation where
+--   typeName = "ArtistTopSongsStation"
+
+-- instance RdioType UserCollectionStation where
+--   typeName = "UserCollectionStation"
+
+-- instance RdioType SearchResults where
+--   typeName = "SearchResults"
+
+-- instance RdioType Activity where
+--   typeName = "Activity"