diff --git a/Data/Aeson/APIFieldJsonTH.hs b/Data/Aeson/APIFieldJsonTH.hs
new file mode 100644
--- /dev/null
+++ b/Data/Aeson/APIFieldJsonTH.hs
@@ -0,0 +1,43 @@
+-- |
+--
+-- Utils for using aeson's deriveJSON with lens's makeFields
+
+module Data.Aeson.APIFieldJsonTH (
+    -- * How to use this library
+    -- $use
+    deriveApiFieldJSON
+    ) where
+
+import Prelude
+import Data.Aeson.TH
+import Control.Lens
+import qualified Data.Char as C (toLower)
+import Language.Haskell.TH (Q, Dec, Name)
+import Data.List.Split
+
+-- $use
+--
+-- > data SomeQuery = SomeQuery {
+-- >     _someQueryPage :: Int
+-- >     , _someQueryText :: String
+-- > } deriving (Eq, Show)
+-- > makeFields ''SomeQuery
+-- > deriveApiFieldJSON ''SomeQuery
+--
+-- This is compatible with the next json
+--
+-- > {"page": 3, "text": "foo"}
+--
+
+-- | レコード名を落としてjsonインスタンス化
+deriveApiFieldJSON :: Name -> Q[Dec]
+deriveApiFieldJSON name = deriveJSON defaultOptions{fieldLabelModifier = firstLower . dropPrefix name} name
+
+firstLower :: String -> String
+firstLower (x:xs) = (C.toLower x):xs
+
+typeName :: String -> String
+typeName = view _last . splitOn "."
+
+dropPrefix :: Name -> String -> String
+dropPrefix = drop . (1 + ) . length . typeName . show
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Author name here (c) 2016
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/api-field-json-th.cabal b/api-field-json-th.cabal
new file mode 100644
--- /dev/null
+++ b/api-field-json-th.cabal
@@ -0,0 +1,40 @@
+name:                api-field-json-th
+version:             0.1.0.0
+synopsis:            Initial project template from stack
+description:         Please see README.md
+homepage:            https://github.com/githubuser/api-field-json-th#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Author name here
+maintainer:          example@example.com
+copyright:           2016 Author name here
+category:            Web
+build-type:          Simple
+-- extra-source-files:
+cabal-version:       >=1.10
+
+library
+  exposed-modules:     Data.Aeson.APIFieldJsonTH
+  build-depends:       base >= 4.7 && < 5
+                     , text
+                     , aeson
+                     , lens
+                     , split
+                     , template-haskell
+  default-language:    Haskell2010
+
+test-suite api-field-json-th-test
+  type:                exitcode-stdio-1.0
+  hs-source-dirs:      test
+  main-is:             Spec.hs
+  build-depends:       base
+                     , api-field-json-th
+                     , HUnit
+                     , aeson
+                     , lens
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/githubuser/api-field-json-th
diff --git a/test/Spec.hs b/test/Spec.hs
new file mode 100644
--- /dev/null
+++ b/test/Spec.hs
@@ -0,0 +1,21 @@
+{-# LANGUAGE TemplateHaskell, OverloadedStrings, MultiParamTypeClasses, FunctionalDependencies, TypeSynonymInstances, FlexibleInstances #-}
+import Data.Aeson.APIFieldJsonTH
+import Test.HUnit
+import Data.Aeson
+import Control.Lens
+
+data SomeQuery = SomeQuery {
+    _someQueryPage :: Int
+    , _someQueryText :: String
+} deriving (Eq, Show)
+makeFields ''SomeQuery
+deriveApiFieldJSON ''SomeQuery
+
+fromJson = "fromJson example" ~: dec ~?= (Just $ SomeQuery 1 "hoge")
+  where dec = decode "{\"page\": 1, \"text\": \"hoge\"}"
+
+lensExample = "lens makeFields example" ~: (r ^. page) ~?= 3
+  where r = SomeQuery 3 "hoge"
+
+-- main :: IO ()
+main = runTestTT $ TestList [fromJson, lensExample]