Just to clarify one point: you don't need to include the ?, :, or & characters in the parameters to urlEncodedBody; urlEncodedBody will automatically add the ? and &, and I'm guessing the colon was just a typo. In other words, the following code is probably closer to what you were looking for: let request = urlEncodedBody [("nonce", "2"), ("method", "getInfo")] r On Wed, May 28, 2014 at 4:21 PM, Miro Karpis wrote:

so this did the trick:

test :: IO () test = do r <- parseUrl $ "http://localhost:3000/readbody" let r_ = urlEncodedBody [("?nonce:", "2"), ("&method", "getInfo")] r let request = r_ { requestBody = (RequestBodyBS s)}

response <- withManager $ httpLbs request putStrLn $ show request print $ responseBody response

On Wed, May 28, 2014 at 2:48 PM, Miro Karpis wrote:

...

Hi, I'm having difficulties with sending body parameters/values in a POST request. It seems that the server does not receive in body.

ideas/comments very welcome ;-)

cheers, m.

{-# LANGUAGE OverloadedStrings #-}

import Network.HTTP.Conduit import Data.Word(Word8) import Data.ByteString.Lazy(pack) import qualified Data.ByteString.Char8 as B

x :: B.ByteString x = "?value=10"

post = do r <- parseUrl "http://postcatcher.in/catchers/5385d4e0b6887c0200000071" putStrLn $show r let request = r { secure = True , method = "POST" , requestBody = RequestBodyBS s , requestHeaders = (requestHeaders r) ++ [("Content-Type", "application/json")]} putStrLn $ show request response <- withManager $ httpLbs request print $ responseBody response

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