diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for aeson-combinators
 
+## 0.1.1.0 -- 2023-09-03
+* `fromDecoder` utility to unwrap a `Decoder`'s function
+* `maybeKey` combinator
+
 ## 0.1.0.1 -- 2022-05-03
 * fix benchmark compatibility with ghc 9.2.2
 
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # Aeson Combinators
 
-[![Build Status](https://travis-ci.org/turboMaCk/aeson-combinators.svg?branch=master)](https://travis-ci.org/turboMaCk/aeson-combinators)
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diff --git a/aeson-combinators.cabal b/aeson-combinators.cabal
--- a/aeson-combinators.cabal
+++ b/aeson-combinators.cabal
@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                aeson-combinators
-version:             0.1.0.1
+version:             0.1.1.0
 synopsis:            Aeson combinators for dead simple JSON decoding
 description:
     Low overhead value space `Decoder`
@@ -21,8 +21,7 @@
 tested-with:         GHC == 8.8.4
                    , GHC == 8.10.7
                    , GHC == 9.0.2
-                   , GHC == 9.2.1
-                   , GHC == 9.2.2
+                   , GHC == 9.2.5
                    , GHCJS == 8.6.0.1
 
 Flag doctest
diff --git a/lib/Data/Aeson/Combinators/Decode.hs b/lib/Data/Aeson/Combinators/Decode.hs
--- a/lib/Data/Aeson/Combinators/Decode.hs
+++ b/lib/Data/Aeson/Combinators/Decode.hs
@@ -27,6 +27,7 @@
   -- $applicative
     Decoder(..)
   , auto
+  , fromDecoder
 -- * Decoding Containers
 -- *** Maybe
   , nullable
@@ -40,6 +41,7 @@
   , jsonNull
 -- *** Objects
   , key
+  , maybeKey
   , at
 -- *** Arrays
   , index
@@ -92,7 +94,7 @@
   ) where
 
 import           Prelude                    hiding (either, fail, maybe)
-import qualified Prelude                    (either)
+import qualified Prelude                    (either, maybe)
 
 import           Control.Applicative
 import           Control.Monad              hiding (void)
@@ -303,6 +305,17 @@
   {-# INLINE fail #-}
 
 
+-- | Conversely, an Aeson's 'FromJSON' instance can be implemented by using 'Decoder' combinators.
+--
+-- > newtype People = People [Person]
+-- >
+-- > instance FromJSON People where
+-- >     parseJSON = fromDecoder $ Decode.list personDecoder
+fromDecoder :: Decoder a -> Value -> Parser a
+fromDecoder (Decoder f) = f
+{-# INLINE fromDecoder #-}
+
+
 -- | 'Decoder' is compatible with Aeson's 'FromJSON' class.
 -- 'auto' decoder acts like a proxy to instance implementation.
 -- Any type that is an instance of this class is automatically compatible.
@@ -413,6 +426,20 @@
   Object v -> d =<< v .: t
   val      -> typeMismatch "Object" val
 {-# INLINE key #-}
+
+-- | Same as 'key' but works with omitted attributes in payloads and produces parsed values in the context of 'Maybe'.
+--   Note that this combinator behaves differently to a combination of 'maybe' and 'key', which produce error if
+--   the attribute is missing from the json object.
+-- >>> decode (maybeKey "data" int) "{}"
+-- Just Nothing
+--
+--- >>> decode (maybeKey "data" int) "{\"data\": 42}"
+-- Just (Just 42)
+maybeKey :: Key -> Decoder a -> Decoder (Maybe a)
+maybeKey t (Decoder d) = Decoder $ \case
+  Object v -> (v .:? t) >>= Prelude.maybe (pure Nothing) (fmap Just . d)
+  val      -> typeMismatch "Object" val
+{-# INLINE maybeKey #-}
 
 
 -- | Extract JSON value from JSON object keys