diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/github-types.cabal b/github-types.cabal
new file mode 100644
--- /dev/null
+++ b/github-types.cabal
@@ -0,0 +1,27 @@
+name:                github-types
+version:             0.1.0.0
+license:             OtherLicense
+license-file:        LICENSE
+author:              Tomas Carnecky
+maintainer:          tomas.carnecky@gmail.com
+category:            GitHub
+build-type:          Simple
+cabal-version:       >= 1.10
+
+synopsis:            Type definitions for objects used by the GitHub v3 API
+description:         This package includes (some) type definitions for objects
+                     which are consumed or produced by the GitHub v3 API.
+
+
+library
+    default-language:    Haskell2010
+    hs-source-dirs:      src
+
+    build-depends:       aeson
+    build-depends:       base >= 4 && < 5
+    build-depends:       text
+
+    exposed-modules:     GitHub.Types
+    exposed-modules:     GitHub.Types.Base
+    exposed-modules:     GitHub.Types.Repository
+    exposed-modules:     GitHub.Types.Events
diff --git a/src/GitHub/Types.hs b/src/GitHub/Types.hs
new file mode 100644
--- /dev/null
+++ b/src/GitHub/Types.hs
@@ -0,0 +1,10 @@
+module GitHub.Types
+    ( module GitHub.Types.Base
+    , module GitHub.Types.Repository
+    , module GitHub.Types.Events
+    ) where
+
+
+import GitHub.Types.Base
+import GitHub.Types.Repository
+import GitHub.Types.Events
diff --git a/src/GitHub/Types/Base.hs b/src/GitHub/Types/Base.hs
new file mode 100644
--- /dev/null
+++ b/src/GitHub/Types/Base.hs
@@ -0,0 +1,50 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module GitHub.Types.Base where
+
+
+import Control.Applicative
+import Control.Monad
+
+import Data.Aeson hiding (Error, Success)
+import Data.Text
+
+
+
+------------------------------------------------------------------------------
+-- Repository
+
+data Repository = Repository
+    { repositoryOwnerName :: Text
+    , repositoryName      :: Text
+    } deriving (Eq, Show)
+
+
+instance FromJSON Repository where
+    parseJSON (Object x) = Repository
+        <$> (x .: "owner" >>= (.: "login"))
+        <*> x .: "name"
+
+    parseJSON _ = mzero
+
+
+
+------------------------------------------------------------------------------
+-- State
+
+data State = Pending | Success | Failure | Error
+    deriving (Eq, Show)
+
+
+instance FromJSON State where
+    parseJSON (String "pending") = return Pending
+    parseJSON (String "success") = return Success
+    parseJSON (String "failure") = return Failure
+    parseJSON (String "error")   = return Error
+    parseJSON _                  = mzero
+
+instance ToJSON State where
+    toJSON Pending = String "pending"
+    toJSON Success = String "success"
+    toJSON Failure = String "failure"
+    toJSON Error   = String "error"
diff --git a/src/GitHub/Types/Events.hs b/src/GitHub/Types/Events.hs
new file mode 100644
--- /dev/null
+++ b/src/GitHub/Types/Events.hs
@@ -0,0 +1,73 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module GitHub.Types.Events where
+
+
+import Control.Applicative
+import Control.Monad
+
+import Data.Aeson
+import Data.Text
+
+import GitHub.Types.Base
+
+
+
+data Event
+    = CommitCommentEventType    CommitCommentEvent
+    | DeploymentEventType       DeploymentEvent
+    | DeploymentStatusEventType DeploymentStatusEvent
+    deriving (Eq, Show)
+
+
+
+------------------------------------------------------------------------------
+-- CommitCommentEvent
+
+data CommitCommentEvent = CommitCommentEvent
+    { commitCommentEventRepository :: Repository
+    } deriving (Eq, Show)
+
+
+------------------------------------------------------------------------------
+-- DeploymentEvent
+
+data DeploymentEvent = DeploymentEvent
+    { deploymentEventId          :: Int
+      -- ^ The deployment Id (UNDOCUMENTED).
+    , deploymentEventSha         :: Text
+      -- The commit SHA for which this deployment was created.
+    , deploymentEventName        :: Text
+      -- ^ Name of repository for this deployment, formatted as :owner/:repo.
+    , deploymentEventPayload     :: Value
+      -- ^ The optional extra information for this deployment.
+    , deploymentEventEnvironment :: Text
+      -- ^ The optional environment to deploy to. Default: "production"
+    , deploymentEventDescription :: Maybe Text
+      -- ^ The optional human-readable description added to the deployment.
+    , deploymentEventRepository  :: Repository
+      -- ^ The repository for which the deployment was created (UNDOCUMENTED).
+    } deriving (Eq, Show)
+
+instance FromJSON DeploymentEvent where
+    parseJSON (Object x) = DeploymentEvent
+        <$> x .: "id"
+        <*> x .: "sha"
+        <*> x .: "name"
+        <*> x .: "payload"
+        <*> x .: "environment"
+        <*> x .: "description"
+        <*> x .: "repository"
+
+    parseJSON _ = mzero
+
+
+------------------------------------------------------------------------------
+-- DeploymentStatusEvent
+
+data DeploymentStatusEvent = DeploymentStatusEvent
+    { deploymentStatusEventState       :: State
+    , deploymentStatusEventTargetUrl   :: Text
+    , deploymentStatusEventDeployment  :: Text
+    , deploymentStatusEventDescription :: Text
+    } deriving (Eq, Show)
diff --git a/src/GitHub/Types/Repository.hs b/src/GitHub/Types/Repository.hs
new file mode 100644
--- /dev/null
+++ b/src/GitHub/Types/Repository.hs
@@ -0,0 +1,26 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RecordWildCards   #-}
+
+module GitHub.Types.Repository where
+
+
+import Data.Aeson
+import Data.Text
+
+import GitHub.Types.Base
+
+
+
+data CreateDeploymentStatusRequest = CreateDeploymentStatusRequest
+    { cdsState       :: State
+    , cdsTargetUrl   :: Maybe Text
+    , cdsDescription :: Maybe Text
+    } deriving (Eq, Show)
+
+
+instance ToJSON CreateDeploymentStatusRequest where
+    toJSON CreateDeploymentStatusRequest{..} = object
+        [ "state"       .= cdsState
+        , "target_url"  .= cdsTargetUrl
+        , "description" .= cdsDescription
+        ]