diff --git a/src/HTTPure.purs b/src/HTTPure.purs
index 1249b15..b03e573 100644
--- a/src/HTTPure.purs
+++ b/src/HTTPure.purs
@@ -22,8 +22,8 @@ module HTTPurple
 import Data.Generic.Rep (class Generic)
 import HTTPurple.Body (toBuffer, toStream, toString)
 import HTTPurple.Cont (usingCont)
-import HTTPurple.Headers (Headers, empty, header, headers)
-import HTTPurple.Json (JsonDecoder(..), JsonEncoder(..), fromJson, jsonHeader, jsonHeaders, toJson)
+import HTTPurple.Headers (RequestHeaders, ResponseHeaders, empty, header, headers)
+import HTTPurple.Json (JsonDecoder(..), JsonEncoder(..), fromJson, jsonHeaders, toJson)
 import HTTPurple.Lookup (at, has, lookup, (!!), (!?), (!@))
 import HTTPurple.Method (Method(..))
 import HTTPurple.Path (Path)
diff --git a/src/HTTPurple/Body.purs b/src/HTTPurple/Body.purs
index de912b5..a55f273 100644
--- a/src/HTTPurple/Body.purs
+++ b/src/HTTPurple/Body.purs
@@ -19,7 +19,7 @@ import Effect.Aff.Class (class MonadAff, liftAff)
 import Effect.Class (liftEffect)
 import Effect.Ref (Ref)
 import Effect.Ref (modify, new, read, write) as Ref
-import HTTPurple.Headers (Headers, header)
+import HTTPurple.Headers (RequestHeaders, mkRequestHeader)
 import Node.Buffer (Buffer, concat, fromString, size)
 import Node.Buffer (toString) as Buffer
 import Node.Encoding (Encoding(UTF8))
@@ -103,7 +103,7 @@ class Body b where
   -- | things like `Content-Type`, `Content-Length`, and `Transfer-Encoding`.
   -- | Note that any headers passed in a response helper such as `ok'` will take
   -- | precedence over these.
-  defaultHeaders :: b -> Effect Headers
+  defaultHeaders :: b -> Effect RequestHeaders
   -- | Given a body value and a Node HTTP `Response` value, write the body value
   -- | to the Node response.
   write :: b -> Response -> Aff Unit
@@ -126,7 +126,7 @@ instance Body String where
 -- | using `Buffer.size`, and to send the response, we just write the buffer to
 -- | the stream and end the stream.
 instance Body Buffer where
-  defaultHeaders buf = header "Content-Length" <$> show <$> size buf
+  defaultHeaders buf = mkRequestHeader "Content-Length" <$> show <$> size buf
   write body response = makeAff \done -> do
     let stream = responseAsStream response
     void $ Stream.write stream body $ const $ end stream $ const $ done $ Right unit
@@ -138,7 +138,7 @@ instance Body Buffer where
 instance
   TypeEquals (Stream r) (Readable s) =>
   Body (Stream r) where
-  defaultHeaders _ = pure $ header "Transfer-Encoding" "chunked"
+  defaultHeaders _ = pure $ mkRequestHeader "Transfer-Encoding" "chunked"
   write body response = makeAff \done -> do
     let stream = to body
     void $ pipe stream $ responseAsStream response
diff --git a/src/HTTPurple/Headers.purs b/src/HTTPurple/Headers.purs
index db4851e..2f41774 100644
--- a/src/HTTPurple/Headers.purs
+++ b/src/HTTPurple/Headers.purs
@@ -1,76 +1,158 @@
 module HTTPurple.Headers
-  ( Headers(..)
+  ( RequestHeaders(..)
+  , ResponseHeaders(..)
+  , class ToHeaders
+  , class ToHeadersHelper
   , empty
-  , headers
   , header
+  , headers
+  , headersImpl
+  , mkRequestHeader
+  , mkRequestHeaders
   , read
+  , toResponseHeaders
   , write
-  ) where
+  )
+  where
 
 import Prelude
 
+import Data.Array as Array
 import Data.Foldable (foldl)
 import Data.FoldableWithIndex (foldMapWithIndex)
 import Data.Map (Map, insert, singleton, union)
 import Data.Map (empty) as Map
-import Data.Newtype (class Newtype, unwrap)
+import Data.Newtype (class Newtype, un, unwrap)
 import Data.String.CaseInsensitive (CaseInsensitiveString(CaseInsensitiveString))
+import Data.Symbol (class IsSymbol, reflectSymbol)
 import Data.TraversableWithIndex (traverseWithIndex)
 import Data.Tuple (Tuple(Tuple))
 import Effect (Effect)
 import Foreign.Object (fold)
 import HTTPurple.Lookup (class Lookup, (!!))
-import Node.HTTP (Request, Response, requestHeaders, setHeader)
+import Node.HTTP (Request, Response, requestHeaders, setHeaders)
+import Prim.Row as Row
+import Prim.RowList (class RowToList, Cons, Nil)
+import Record as Record
+import Type.Proxy (Proxy(..))
 
--- | The `Headers` type is just sugar for a `Object` of `Strings`
+-- | The `RequestHeaders` type is just sugar for a `Object` of `Strings`
 -- | that represents the set of headers in an HTTP request or response.
-newtype Headers = Headers (Map CaseInsensitiveString String)
+newtype RequestHeaders = RequestHeaders (Map CaseInsensitiveString String)
 
-derive instance newtypeHeaders :: Newtype Headers _
+derive instance Newtype RequestHeaders _
 
 -- | Given a string, return a `Maybe` containing the value of the matching
 -- | header, if there is any.
-instance lookup :: Lookup Headers String String where
-  lookup (Headers headers') key = headers' !! key
+instance Lookup RequestHeaders String String where
+  lookup (RequestHeaders headers') key = headers' !! key
 
 -- | Allow a `Headers` to be represented as a string. This string is formatted
 -- | in HTTP headers format.
-instance show :: Show Headers where
-  show (Headers headers') = foldMapWithIndex showField headers' <> "\n"
+instance Show RequestHeaders where
+  show (RequestHeaders headers') = foldMapWithIndex showField headers' <> "\n"
     where
     showField key value = unwrap key <> ": " <> value <> "\n"
 
 -- | Compare two `Headers` objects by comparing the underlying `Objects`.
-instance eq :: Eq Headers where
-  eq (Headers a) (Headers b) = eq a b
+instance Eq RequestHeaders where
+  eq (RequestHeaders a) (RequestHeaders b) = eq a b
 
--- | Allow one `Headers` objects to be appended to another.
-instance semigroup :: Semigroup Headers where
-  append (Headers a) (Headers b) = Headers $ union b a
+-- | Allow one `RequestHeaders` objects to be appended to another.
+instance Semigroup RequestHeaders where
+  append (RequestHeaders a) (RequestHeaders b) = RequestHeaders $ union b a
+
+-- | The `RequestHeaders` type is just sugar for a `Object` of `Strings`
+-- | that represents the set of headers in an HTTP request or response.
+newtype ResponseHeaders = ResponseHeaders (Map CaseInsensitiveString (Array String))
+
+
+-- | Allow one `ResponseHeaders` objects to be appended to another.
+instance Semigroup ResponseHeaders where
+  append (ResponseHeaders a) (ResponseHeaders b) = ResponseHeaders $ union b a
+
+-- | Allow a `RequestHeaders` to be represented as a string. This string is formatted
+-- | in HTTP headers format.
+instance Show ResponseHeaders where
+  show (ResponseHeaders headers') = foldMapWithIndex showField headers' <> "\n"
+    where
+    showField key value = Array.foldMap (\v -> unwrap key <> ": " <> v <> "\n") value
 
 -- | Get the headers out of a HTTP `Request` object.
-read :: Request -> Headers
-read = requestHeaders >>> fold insertField Map.empty >>> Headers
+read :: Request -> RequestHeaders
+read = requestHeaders >>> fold insertField Map.empty >>> RequestHeaders
   where
   insertField x key value = insert (CaseInsensitiveString key) value x
 
--- | Given an HTTP `Response` and a `Headers` object, return an effect that will
--- | write the `Headers` to the `Response`.
-write :: Response -> Headers -> Effect Unit
-write response (Headers headers') = void $ traverseWithIndex writeField headers'
+-- | Given an HTTP `Response` and a `ResponseHeaders` object, return an effect that will
+-- | write the `ResponseHeaders` to the `Response`.
+write :: Response -> ResponseHeaders -> Effect Unit
+write response (ResponseHeaders headers') = void $ traverseWithIndex writeField headers'
   where
-  writeField key value = setHeader response (unwrap key) value
+  writeField key values = setHeaders response (unwrap key) values
 
--- | Return a `Headers` containing nothing.
-empty :: Headers
-empty = Headers Map.empty
+-- | Return a `ResponseHeaders` containing nothing.
+empty :: ResponseHeaders
+empty = ResponseHeaders Map.empty
 
--- | Convert an `Array` of `Tuples` of 2 `Strings` to a `Headers` object.
-headers :: Array (Tuple String String) -> Headers
-headers = foldl insertField Map.empty >>> Headers
+
+-- -- | Convert an `Array` of `Tuples` of 2 `Strings` to a `Headers` object.
+mkRequestHeaders :: Array (Tuple String String) -> RequestHeaders
+mkRequestHeaders = foldl insertField Map.empty >>> RequestHeaders
   where
   insertField x (Tuple key value) = insert (CaseInsensitiveString key) value x
 
 -- | Create a singleton header from a key-value pair.
-header :: String -> String -> Headers
-header key = singleton (CaseInsensitiveString key) >>> Headers
+mkRequestHeader :: String -> String -> RequestHeaders
+mkRequestHeader key = singleton (CaseInsensitiveString key) >>> RequestHeaders
+
+-- | Create a singleton header from a key-value pair.
+header :: String -> String -> ResponseHeaders
+header key = Array.singleton >>> singleton (CaseInsensitiveString key) >>> ResponseHeaders
+
+toResponseHeaders :: RequestHeaders -> ResponseHeaders
+toResponseHeaders = un RequestHeaders >>> map (Array.singleton) >>> ResponseHeaders
+
+class ToHeadersHelper :: forall k. Row Type -> k -> Constraint
+class ToHeadersHelper r rl where
+  headersImpl :: Proxy rl -> Record r -> ResponseHeaders
+
+instance ToHeadersHelper r (Nil) where
+  headersImpl _ _ = empty
+else instance
+  ( IsSymbol sym
+  , RowToList r rl
+  , RowToList tail tailRL
+  , Row.Cons sym String tail r
+  , Row.Lacks sym                   tail
+  , ToHeadersHelper tail tailRL
+  ) =>
+  ToHeadersHelper r (Cons sym String tailRL) where
+  headersImpl _ rec = header key value <> headersImpl (Proxy :: Proxy tailRL) tail
+    where
+    key = reflectSymbol (Proxy :: Proxy sym)
+    value = Record.get (Proxy :: Proxy sym) rec
+
+    tail = Record.delete (Proxy :: Proxy sym) rec
+else instance
+  ( IsSymbol sym
+  , RowToList r rl
+  , RowToList tail tailRL
+  , Row.Cons sym (Array String) tail r
+  , Row.Lacks sym                   tail
+  , ToHeadersHelper tail tailRL
+  ) =>
+  ToHeadersHelper r (Cons sym (Array String) tailRL) where
+  headersImpl _ rec = constructHeaders key value <> headersImpl (Proxy :: Proxy tailRL) tail
+    where
+    constructHeaders k = singleton (CaseInsensitiveString k) >>> ResponseHeaders
+    key = reflectSymbol (Proxy :: Proxy sym)
+    value = Record.get (Proxy :: Proxy sym) rec
+
+    tail = Record.delete (Proxy :: Proxy sym) rec
+
+class ToHeaders r where
+  headers :: r -> ResponseHeaders
+
+instance (RowToList r rl, ToHeadersHelper r rl) => ToHeaders (Record r) where
+  headers = headersImpl (Proxy :: Proxy rl)
diff --git a/src/HTTPurple/Json.purs b/src/HTTPurple/Json.purs
index 48da722..a8de52c 100644
--- a/src/HTTPurple/Json.purs
+++ b/src/HTTPurple/Json.purs
@@ -3,7 +3,6 @@ module HTTPurple.Json
   , JsonEncoder(..)
   , fromJson
   , fromJsonE
-  , jsonHeader
   , jsonHeaders
   , toJson
   ) where
@@ -14,10 +13,9 @@ import Control.Monad.Cont (ContT(..))
 import Data.Either (Either, either)
 import Data.Function as Function
 import Data.Newtype (class Newtype, un)
-import Data.Tuple (Tuple(..))
 import Effect.Aff.Class (class MonadAff)
 import HTTPurple.Body (RequestBody, toString)
-import HTTPurple.Headers (Headers, headers)
+import HTTPurple.Headers (ResponseHeaders, headers)
 import HTTPurple.Response (Response, badRequest)
 
 newtype JsonDecoder err json = JsonDecoder (String -> Either err json)
@@ -28,11 +26,8 @@ newtype JsonEncoder json = JsonEncoder (json -> String)
 
 instance Newtype (JsonEncoder json) (json -> String)
 
-jsonHeader :: Tuple String String
-jsonHeader = Tuple "Content-Type" "application/json"
-
-jsonHeaders :: Headers
-jsonHeaders = headers [ jsonHeader ]
+jsonHeaders :: ResponseHeaders
+jsonHeaders = headers { "Content-Type": "application/json" }
 
 fromJsonContinuation ::
   forall err json m.
diff --git a/src/HTTPurple/Request.purs b/src/HTTPurple/Request.purs
index 6b06a85..bee297b 100644
--- a/src/HTTPurple/Request.purs
+++ b/src/HTTPurple/Request.purs
@@ -14,7 +14,7 @@ import Effect.Class (liftEffect)
 import Foreign.Object (isEmpty, toArrayWithKey)
 import HTTPurple.Body (RequestBody)
 import HTTPurple.Body (read) as Body
-import HTTPurple.Headers (Headers)
+import HTTPurple.Headers (RequestHeaders)
 import HTTPurple.Headers (read) as Headers
 import HTTPurple.Method (Method)
 import HTTPurple.Method (read) as Method
@@ -36,7 +36,7 @@ type Request route =
   , path :: Path
   , query :: Query
   , route :: route
-  , headers :: Headers
+  , headers :: RequestHeaders
   , body :: RequestBody
   , httpVersion :: Version
   , url :: String
diff --git a/src/HTTPurple/Response.purs b/src/HTTPurple/Response.purs
index fdd3711..7534e6e 100644
--- a/src/HTTPurple/Response.purs
+++ b/src/HTTPurple/Response.purs
@@ -139,72 +139,10 @@ import Effect.Aff (Aff)
 import Effect.Aff.Class (class MonadAff, liftAff)
 import Effect.Class (class MonadEffect, liftEffect)
 import HTTPurple.Body (class Body, defaultHeaders, write)
-import HTTPurple.Headers (Headers, empty)
+import HTTPurple.Headers (RequestHeaders, ResponseHeaders, empty, toResponseHeaders)
 import HTTPurple.Headers (write) as Headers
 import HTTPurple.Status (Status)
-import HTTPurple.Status
-  ( accepted
-  , alreadyReported
-  , badGateway
-  , badRequest
-  , conflict
-  , continue
-  , created
-  , expectationFailed
-  , failedDependency
-  , forbidden
-  , found
-  , gatewayTimeout
-  , gone
-  , hTTPVersionNotSupported
-  , iMUsed
-  , imATeapot
-  , insufficientStorage
-  , internalServerError
-  , lengthRequired
-  , locked
-  , loopDetected
-  , methodNotAllowed
-  , misdirectedRequest
-  , movedPermanently
-  , multiStatus
-  , multipleChoices
-  , networkAuthenticationRequired
-  , noContent
-  , nonAuthoritativeInformation
-  , notAcceptable
-  , notExtended
-  , notFound
-  , notImplemented
-  , notModified
-  , ok
-  , partialContent
-  , payloadTooLarge
-  , paymentRequired
-  , permanentRedirect
-  , preconditionFailed
-  , preconditionRequired
-  , processing
-  , proxyAuthenticationRequired
-  , rangeNotSatisfiable
-  , requestHeaderFieldsTooLarge
-  , requestTimeout
-  , resetContent
-  , seeOther
-  , serviceUnavailable
-  , switchingProtocols
-  , temporaryRedirect
-  , tooManyRequests
-  , uRITooLong
-  , unauthorized
-  , unavailableForLegalReasons
-  , unprocessableEntity
-  , unsupportedMediaType
-  , upgradeRequired
-  , useProxy
-  , variantAlsoNegotiates
-  , write
-  ) as Status
+import HTTPurple.Status (accepted, alreadyReported, badGateway, badRequest, conflict, continue, created, expectationFailed, failedDependency, forbidden, found, gatewayTimeout, gone, hTTPVersionNotSupported, iMUsed, imATeapot, insufficientStorage, internalServerError, lengthRequired, locked, loopDetected, methodNotAllowed, misdirectedRequest, movedPermanently, multiStatus, multipleChoices, networkAuthenticationRequired, noContent, nonAuthoritativeInformation, notAcceptable, notExtended, notFound, notImplemented, notModified, ok, partialContent, payloadTooLarge, paymentRequired, permanentRedirect, preconditionFailed, preconditionRequired, processing, proxyAuthenticationRequired, rangeNotSatisfiable, requestHeaderFieldsTooLarge, requestTimeout, resetContent, seeOther, serviceUnavailable, switchingProtocols, temporaryRedirect, tooManyRequests, uRITooLong, unauthorized, unavailableForLegalReasons, unprocessableEntity, unsupportedMediaType, upgradeRequired, useProxy, variantAlsoNegotiates, write) as Status
 import Node.HTTP (Response) as HTTP
 
 -- | The `ResponseM` type simply conveniently wraps up an HTTPurple monad that
@@ -215,7 +153,7 @@ type ResponseM = Aff Response
 -- | A `Response` is a status code, headers, and a body.
 type Response =
   { status :: Status
-  , headers :: Headers
+  , headers :: ResponseHeaders
   , writeBody :: HTTP.Response -> Aff Unit
   }
 
@@ -239,14 +177,14 @@ response' ::
   MonadAff m =>
   Body b =>
   Status ->
-  Headers ->
+  ResponseHeaders ->
   b ->
   m Response
 response' status headers body = liftEffect do
   defaultHeaders' <- defaultHeaders body
   pure
     { status
-    , headers: defaultHeaders' <> headers
+    , headers: toResponseHeaders defaultHeaders' <> headers
     , writeBody: write body
     }
 
@@ -255,7 +193,7 @@ emptyResponse :: forall m. MonadAff m => Status -> m Response
 emptyResponse status = emptyResponse' status empty
 
 -- | The same as `emptyResponse` but with headers.
-emptyResponse' :: forall m. MonadAff m => Status -> Headers -> m Response
+emptyResponse' :: forall m. MonadAff m => Status -> ResponseHeaders -> m Response
 emptyResponse' status headers = response' status headers ""
 
 ---------
@@ -266,7 +204,7 @@ continue :: forall m. MonadAff m => m Response
 continue = continue' empty
 
 -- | 100 with headers
-continue' :: forall m. MonadAff m => Headers -> m Response
+continue' :: forall m. MonadAff m => ResponseHeaders -> m Response
 continue' = emptyResponse' Status.continue
 
 -- | 101
@@ -274,7 +212,7 @@ switchingProtocols :: forall m. MonadAff m => m Response
 switchingProtocols = switchingProtocols' empty
 
 -- | 101 with headers
-switchingProtocols' :: forall m. MonadAff m => Headers -> m Response
+switchingProtocols' :: forall m. MonadAff m => ResponseHeaders -> m Response
 switchingProtocols' = emptyResponse' Status.switchingProtocols
 
 -- | 102
@@ -282,7 +220,7 @@ processing :: forall m. MonadAff m => m Response
 processing = processing' empty
 
 -- | 102 with headers
-processing' :: forall m. MonadAff m => Headers -> m Response
+processing' :: forall m. MonadAff m => ResponseHeaders -> m Response
 processing' = emptyResponse' Status.processing
 
 ---------
@@ -293,7 +231,7 @@ ok :: forall m b. MonadAff m => Body b => b -> m Response
 ok = ok' empty
 
 -- | 200 with headers
-ok' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+ok' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 ok' = response' Status.ok
 
 -- | 201
@@ -301,7 +239,7 @@ created :: forall m. MonadAff m => m Response
 created = created' empty
 
 -- | 201 with headers
-created' :: forall m. MonadAff m => Headers -> m Response
+created' :: forall m. MonadAff m => ResponseHeaders -> m Response
 created' = emptyResponse' Status.created
 
 -- | 202
@@ -309,7 +247,7 @@ accepted :: forall m. MonadAff m => m Response
 accepted = accepted' empty
 
 -- | 202 with headers
-accepted' :: forall m. MonadAff m => Headers -> m Response
+accepted' :: forall m. MonadAff m => ResponseHeaders -> m Response
 accepted' = emptyResponse' Status.accepted
 
 -- | 203
@@ -321,7 +259,7 @@ nonAuthoritativeInformation' ::
   forall m b.
   MonadAff m =>
   Body b =>
-  Headers ->
+  ResponseHeaders ->
   b ->
   m Response
 nonAuthoritativeInformation' = response' Status.nonAuthoritativeInformation
@@ -331,7 +269,7 @@ noContent :: forall m. MonadAff m => m Response
 noContent = noContent' empty
 
 -- | 204 with headers
-noContent' :: forall m. MonadAff m => Headers -> m Response
+noContent' :: forall m. MonadAff m => ResponseHeaders -> m Response
 noContent' = emptyResponse' Status.noContent
 
 -- | 205
@@ -339,7 +277,7 @@ resetContent :: forall m. MonadAff m => m Response
 resetContent = resetContent' empty
 
 -- | 205 with headers
-resetContent' :: forall m. MonadAff m => Headers -> m Response
+resetContent' :: forall m. MonadAff m => ResponseHeaders -> m Response
 resetContent' = emptyResponse' Status.resetContent
 
 -- | 206
@@ -347,7 +285,7 @@ partialContent :: forall m b. MonadAff m => Body b => b -> m Response
 partialContent = partialContent' empty
 
 -- | 206 with headers
-partialContent' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+partialContent' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 partialContent' = response' Status.partialContent
 
 -- | 207
@@ -355,7 +293,7 @@ multiStatus :: forall m b. MonadAff m => Body b => b -> m Response
 multiStatus = multiStatus' empty
 
 -- | 207 with headers
-multiStatus' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+multiStatus' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 multiStatus' = response' Status.multiStatus
 
 -- | 208
@@ -363,7 +301,7 @@ alreadyReported :: forall m. MonadAff m => m Response
 alreadyReported = alreadyReported' empty
 
 -- | 208 with headers
-alreadyReported' :: forall m. MonadAff m => Headers -> m Response
+alreadyReported' :: forall m. MonadAff m => ResponseHeaders -> m Response
 alreadyReported' = emptyResponse' Status.alreadyReported
 
 -- | 226
@@ -371,7 +309,7 @@ iMUsed :: forall m b. MonadAff m => Body b => b -> m Response
 iMUsed = iMUsed' empty
 
 -- | 226 with headers
-iMUsed' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+iMUsed' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 iMUsed' = response' Status.iMUsed
 
 ---------
@@ -382,7 +320,7 @@ multipleChoices :: forall m b. MonadAff m => Body b => b -> m Response
 multipleChoices = multipleChoices' empty
 
 -- | 300 with headers
-multipleChoices' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+multipleChoices' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 multipleChoices' = response' Status.multipleChoices
 
 -- | 301
@@ -390,7 +328,7 @@ movedPermanently :: forall m b. MonadAff m => Body b => b -> m Response
 movedPermanently = movedPermanently' empty
 
 -- | 301 with headers
-movedPermanently' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+movedPermanently' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 movedPermanently' = response' Status.movedPermanently
 
 -- | 302
@@ -398,7 +336,7 @@ found :: forall m b. MonadAff m => Body b => b -> m Response
 found = found' empty
 
 -- | 302 with headers
-found' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+found' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 found' = response' Status.found
 
 -- | 303
@@ -406,7 +344,7 @@ seeOther :: forall m b. MonadAff m => Body b => b -> m Response
 seeOther = seeOther' empty
 
 -- | 303 with headers
-seeOther' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+seeOther' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 seeOther' = response' Status.seeOther
 
 -- | 304
@@ -414,7 +352,7 @@ notModified :: forall m. MonadAff m => m Response
 notModified = notModified' empty
 
 -- | 304 with headers
-notModified' :: forall m. MonadAff m => Headers -> m Response
+notModified' :: forall m. MonadAff m => ResponseHeaders -> m Response
 notModified' = emptyResponse' Status.notModified
 
 -- | 305
@@ -422,7 +360,7 @@ useProxy :: forall m b. MonadAff m => Body b => b -> m Response
 useProxy = useProxy' empty
 
 -- | 305 with headers
-useProxy' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+useProxy' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 useProxy' = response' Status.useProxy
 
 -- | 307
@@ -430,7 +368,7 @@ temporaryRedirect :: forall m b. MonadAff m => Body b => b -> m Response
 temporaryRedirect = temporaryRedirect' empty
 
 -- | 307 with headers
-temporaryRedirect' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+temporaryRedirect' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 temporaryRedirect' = response' Status.temporaryRedirect
 
 -- | 308
@@ -438,7 +376,7 @@ permanentRedirect :: forall m b. MonadAff m => Body b => b -> m Response
 permanentRedirect = permanentRedirect' empty
 
 -- | 308 with headers
-permanentRedirect' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+permanentRedirect' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 permanentRedirect' = response' Status.permanentRedirect
 
 ---------
@@ -449,7 +387,7 @@ badRequest :: forall m b. MonadAff m => Body b => b -> m Response
 badRequest = badRequest' empty
 
 -- | 400 with headers
-badRequest' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+badRequest' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 badRequest' = response' Status.badRequest
 
 -- | 401
@@ -457,7 +395,7 @@ unauthorized :: forall m. MonadAff m => m Response
 unauthorized = unauthorized' empty
 
 -- | 401 with headers
-unauthorized' :: forall m. MonadAff m => Headers -> m Response
+unauthorized' :: forall m. MonadAff m => ResponseHeaders -> m Response
 unauthorized' = emptyResponse' Status.unauthorized
 
 -- | 402
@@ -465,7 +403,7 @@ paymentRequired :: forall m. MonadAff m => m Response
 paymentRequired = paymentRequired' empty
 
 -- | 402 with headers
-paymentRequired' :: forall m. MonadAff m => Headers -> m Response
+paymentRequired' :: forall m. MonadAff m => ResponseHeaders -> m Response
 paymentRequired' = emptyResponse' Status.paymentRequired
 
 -- | 403
@@ -473,7 +411,7 @@ forbidden :: forall m. MonadAff m => m Response
 forbidden = forbidden' empty
 
 -- | 403 with headers
-forbidden' :: forall m. MonadAff m => Headers -> m Response
+forbidden' :: forall m. MonadAff m => ResponseHeaders -> m Response
 forbidden' = emptyResponse' Status.forbidden
 
 -- | 404
@@ -481,7 +419,7 @@ notFound :: forall m. MonadAff m => m Response
 notFound = notFound' empty
 
 -- | 404 with headers
-notFound' :: forall m. MonadAff m => Headers -> m Response
+notFound' :: forall m. MonadAff m => ResponseHeaders -> m Response
 notFound' = emptyResponse' Status.notFound
 
 -- | 405
@@ -489,7 +427,7 @@ methodNotAllowed :: forall m. MonadAff m => m Response
 methodNotAllowed = methodNotAllowed' empty
 
 -- | 405 with headers
-methodNotAllowed' :: forall m. MonadAff m => Headers -> m Response
+methodNotAllowed' :: forall m. MonadAff m => ResponseHeaders -> m Response
 methodNotAllowed' = emptyResponse' Status.methodNotAllowed
 
 -- | 406
@@ -497,7 +435,7 @@ notAcceptable :: forall m. MonadAff m => m Response
 notAcceptable = notAcceptable' empty
 
 -- | 406 with headers
-notAcceptable' :: forall m. MonadAff m => Headers -> m Response
+notAcceptable' :: forall m. MonadAff m => ResponseHeaders -> m Response
 notAcceptable' = emptyResponse' Status.notAcceptable
 
 -- | 407
@@ -505,7 +443,7 @@ proxyAuthenticationRequired :: forall m. MonadAff m => m Response
 proxyAuthenticationRequired = proxyAuthenticationRequired' empty
 
 -- | 407 with headers
-proxyAuthenticationRequired' :: forall m. MonadAff m => Headers -> m Response
+proxyAuthenticationRequired' :: forall m. MonadAff m => ResponseHeaders -> m Response
 proxyAuthenticationRequired' = emptyResponse' Status.proxyAuthenticationRequired
 
 -- | 408
@@ -513,7 +451,7 @@ requestTimeout :: forall m. MonadAff m => m Response
 requestTimeout = requestTimeout' empty
 
 -- | 408 with headers
-requestTimeout' :: forall m. MonadAff m => Headers -> m Response
+requestTimeout' :: forall m. MonadAff m => ResponseHeaders -> m Response
 requestTimeout' = emptyResponse' Status.requestTimeout
 
 -- | 409
@@ -521,7 +459,7 @@ conflict :: forall m b. MonadAff m => Body b => b -> m Response
 conflict = conflict' empty
 
 -- | 409 with headers
-conflict' :: forall m b. MonadAff m => Body b => Headers -> b -> m Response
+conflict' :: forall m b. MonadAff m => Body b => ResponseHeaders -> b -> m Response
 conflict' = response' Status.conflict
 
 -- | 410
@@ -529,7 +467,7 @@ gone :: forall m. MonadAff m => m Response
 gone = gone' empty
 
 -- | 410 with headers
-gone' :: forall m. MonadAff m => Headers -> m Response
+gone' :: forall m. MonadAff m => ResponseHeaders -> m Response
 gone' = emptyResponse' Status.gone
 
 -- | 411
@@ -537,7 +475,7 @@ lengthRequired :: forall m. MonadAff m => m Response
 lengthRequired = lengthRequired' empty
 
 -- | 411 with headers
-lengthRequired' :: forall m. MonadAff m => Headers -> m Response
+lengthRequired' :: forall m. MonadAff m => ResponseHeaders -> m Response
 lengthRequired' = emptyResponse' Status.lengthRequired
 
 -- | 412
@@ -545,7 +483,7 @@ preconditionFailed :: forall m. MonadAff m => m Response
 preconditionFailed = preconditionFailed' empty
 
 -- | 412 with headers
-preconditionFailed' :: forall m. MonadAff m => Headers -> m Response
+preconditionFailed' :: forall m. MonadAff m => ResponseHeaders -> m Response
 preconditionFailed' = emptyResponse' Status.preconditionFailed
 
 -- | 413
@@ -553,7 +491,7 @@ payloadTooLarge :: forall m. MonadAff m => m Response
 payloadTooLarge = payloadTooLarge' empty
 
 -- | 413 with headers
-payloadTooLarge' :: forall m. MonadAff m => Headers -> m Response
+payloadTooLarge' :: forall m. MonadAff m => ResponseHeaders -> m Response
 payloadTooLarge' = emptyResponse' Status.payloadTooLarge
 
 -- | 414
@@ -561,7 +499,7 @@ uRITooLong :: forall m. MonadAff m => m Response
 uRITooLong = uRITooLong' empty
 
 -- | 414 with headers
-uRITooLong' :: forall m. MonadAff m => Headers -> m Response
+uRITooLong' :: forall m. MonadAff m => ResponseHeaders -> m Response
 uRITooLong' = emptyResponse' Status.uRITooLong
 
 -- | 415
@@ -569,7 +507,7 @@ unsupportedMediaType :: forall m. MonadAff m => m Response
 unsupportedMediaType = unsupportedMediaType' empty
 
 -- | 415 with headers
-unsupportedMediaType' :: forall m. MonadAff m => Headers -> m Response
+unsupportedMediaType' :: forall m. MonadAff m => ResponseHeaders -> m Response
 unsupportedMediaType' = emptyResponse' Status.unsupportedMediaType
 
 -- | 416
@@ -577,7 +515,7 @@ rangeNotSatisfiable :: forall m. MonadAff m => m Response
 rangeNotSatisfiable = rangeNotSatisfiable' empty
 
 -- | 416 with headers
-rangeNotSatisfiable' :: forall m. MonadAff m => Headers -> m Response
+rangeNotSatisfiable' :: forall m. MonadAff m => ResponseHeaders -> m Response
 rangeNotSatisfiable' = emptyResponse' Status.rangeNotSatisfiable
 
 -- | 417
@@ -585,7 +523,7 @@ expectationFailed :: forall m. MonadAff m => m Response
 expectationFailed = expectationFailed' empty
 
 -- | 417 with headers
-expectationFailed' :: forall m. MonadAff m => Headers -> m Response
+expectationFailed' :: forall m. MonadAff m => ResponseHeaders -> m Response
 expectationFailed' = emptyResponse' Status.expectationFailed
 
 -- | 418
@@ -593,7 +531,7 @@ imATeapot :: forall m. MonadAff m => m Response
 imATeapot = imATeapot' empty
 
 -- | 418 with headers
-imATeapot' :: forall m. MonadAff m => Headers -> m Response
+imATeapot' :: forall m. MonadAff m => ResponseHeaders -> m Response
 imATeapot' = emptyResponse' Status.imATeapot
 
 -- | 421
@@ -601,7 +539,7 @@ misdirectedRequest :: forall m. MonadAff m => m Response
 misdirectedRequest = misdirectedRequest' empty
 
 -- | 421 with headers
-misdirectedRequest' :: forall m. MonadAff m => Headers -> m Response
+misdirectedRequest' :: forall m. MonadAff m => ResponseHeaders -> m Response
 misdirectedRequest' = emptyResponse' Status.misdirectedRequest
 
 -- | 422
@@ -609,7 +547,7 @@ unprocessableEntity :: forall m. MonadAff m => m Response
 unprocessableEntity = unprocessableEntity' empty
 
 -- | 422 with headers
-unprocessableEntity' :: forall m. MonadAff m => Headers -> m Response
+unprocessableEntity' :: forall m. MonadAff m => ResponseHeaders -> m Response
 unprocessableEntity' = emptyResponse' Status.unprocessableEntity
 
 -- | 423
@@ -617,7 +555,7 @@ locked :: forall m. MonadAff m => m Response
 locked = locked' empty
 
 -- | 423 with headers
-locked' :: forall m. MonadAff m => Headers -> m Response
+locked' :: forall m. MonadAff m => ResponseHeaders -> m Response
 locked' = emptyResponse' Status.locked
 
 -- | 424
@@ -625,7 +563,7 @@ failedDependency :: forall m. MonadAff m => m Response
 failedDependency = failedDependency' empty
 
 -- | 424 with headers
-failedDependency' :: forall m. MonadAff m => Headers -> m Response
+failedDependency' :: forall m. MonadAff m => ResponseHeaders -> m Response
 failedDependency' = emptyResponse' Status.failedDependency
 
 -- | 426
@@ -633,7 +571,7 @@ upgradeRequired :: forall m. MonadAff m => m Response
 upgradeRequired = upgradeRequired' empty
 
 -- | 426 with headers
-upgradeRequired' :: forall m. MonadAff m => Headers -> m Response
+upgradeRequired' :: forall m. MonadAff m => ResponseHeaders -> m Response
 upgradeRequired' = emptyResponse' Status.upgradeRequired
 
 -- | 428
@@ -641,7 +579,7 @@ preconditionRequired :: forall m. MonadAff m => m Response
 preconditionRequired = preconditionRequired' empty
 
 -- | 428 with headers
-preconditionRequired' :: forall m. MonadAff m => Headers -> m Response
+preconditionRequired' :: forall m. MonadAff m => ResponseHeaders -> m Response
 preconditionRequired' = emptyResponse' Status.preconditionRequired
 
 -- | 429
@@ -649,7 +587,7 @@ tooManyRequests :: forall m. MonadAff m => m Response
 tooManyRequests = tooManyRequests' empty
 
 -- | 429 with headers
-tooManyRequests' :: forall m. MonadAff m => Headers -> m Response
+tooManyRequests' :: forall m. MonadAff m => ResponseHeaders -> m Response
 tooManyRequests' = emptyResponse' Status.tooManyRequests
 
 -- | 431
@@ -657,7 +595,7 @@ requestHeaderFieldsTooLarge :: forall m. MonadAff m => m Response
 requestHeaderFieldsTooLarge = requestHeaderFieldsTooLarge' empty
 
 -- | 431 with headers
-requestHeaderFieldsTooLarge' :: forall m. MonadAff m => Headers -> m Response
+requestHeaderFieldsTooLarge' :: forall m. MonadAff m => ResponseHeaders -> m Response
 requestHeaderFieldsTooLarge' = emptyResponse' Status.requestHeaderFieldsTooLarge
 
 -- | 451
@@ -665,7 +603,7 @@ unavailableForLegalReasons :: forall m. MonadAff m => m Response
 unavailableForLegalReasons = unavailableForLegalReasons' empty
 
 -- | 451 with headers
-unavailableForLegalReasons' :: forall m. MonadAff m => Headers -> m Response
+unavailableForLegalReasons' :: forall m. MonadAff m => ResponseHeaders -> m Response
 unavailableForLegalReasons' = emptyResponse' Status.unavailableForLegalReasons
 
 ---------
@@ -680,7 +618,7 @@ internalServerError' ::
   forall m b.
   MonadAff m =>
   Body b =>
-  Headers ->
+  ResponseHeaders ->
   b ->
   m Response
 internalServerError' = response' Status.internalServerError
@@ -690,7 +628,7 @@ notImplemented :: forall m. MonadAff m => m Response
 notImplemented = notImplemented' empty
 
 -- | 501 with headers
-notImplemented' :: forall m. MonadAff m => Headers -> m Response
+notImplemented' :: forall m. MonadAff m => ResponseHeaders -> m Response
 notImplemented' = emptyResponse' Status.notImplemented
 
 -- | 502
@@ -698,7 +636,7 @@ badGateway :: forall m. MonadAff m => m Response
 badGateway = badGateway' empty
 
 -- | 502 with headers
-badGateway' :: forall m. MonadAff m => Headers -> m Response
+badGateway' :: forall m. MonadAff m => ResponseHeaders -> m Response
 badGateway' = emptyResponse' Status.badGateway
 
 -- | 503
@@ -706,7 +644,7 @@ serviceUnavailable :: forall m. MonadAff m => m Response
 serviceUnavailable = serviceUnavailable' empty
 
 -- | 503 with headers
-serviceUnavailable' :: forall m. MonadAff m => Headers -> m Response
+serviceUnavailable' :: forall m. MonadAff m => ResponseHeaders -> m Response
 serviceUnavailable' = emptyResponse' Status.serviceUnavailable
 
 -- | 504
@@ -714,7 +652,7 @@ gatewayTimeout :: forall m. MonadAff m => m Response
 gatewayTimeout = gatewayTimeout' empty
 
 -- | 504 with headers
-gatewayTimeout' :: forall m. MonadAff m => Headers -> m Response
+gatewayTimeout' :: forall m. MonadAff m => ResponseHeaders -> m Response
 gatewayTimeout' = emptyResponse' Status.gatewayTimeout
 
 -- | 505
@@ -722,7 +660,7 @@ hTTPVersionNotSupported :: forall m. MonadAff m => m Response
 hTTPVersionNotSupported = hTTPVersionNotSupported' empty
 
 -- | 505 with headers
-hTTPVersionNotSupported' :: forall m. MonadAff m => Headers -> m Response
+hTTPVersionNotSupported' :: forall m. MonadAff m => ResponseHeaders -> m Response
 hTTPVersionNotSupported' = emptyResponse' Status.hTTPVersionNotSupported
 
 -- | 506
@@ -730,7 +668,7 @@ variantAlsoNegotiates :: forall m. MonadAff m => m Response
 variantAlsoNegotiates = variantAlsoNegotiates' empty
 
 -- | 506 with headers
-variantAlsoNegotiates' :: forall m. MonadAff m => Headers -> m Response
+variantAlsoNegotiates' :: forall m. MonadAff m => ResponseHeaders -> m Response
 variantAlsoNegotiates' = emptyResponse' Status.variantAlsoNegotiates
 
 -- | 507
@@ -738,7 +676,7 @@ insufficientStorage :: forall m. MonadAff m => m Response
 insufficientStorage = insufficientStorage' empty
 
 -- | 507 with headers
-insufficientStorage' :: forall m. MonadAff m => Headers -> m Response
+insufficientStorage' :: forall m. MonadAff m => ResponseHeaders -> m Response
 insufficientStorage' = emptyResponse' Status.insufficientStorage
 
 -- | 508
@@ -746,7 +684,7 @@ loopDetected :: forall m. MonadAff m => m Response
 loopDetected = loopDetected' empty
 
 -- | 508 with headers
-loopDetected' :: forall m. MonadAff m => Headers -> m Response
+loopDetected' :: forall m. MonadAff m => ResponseHeaders -> m Response
 loopDetected' = emptyResponse' Status.loopDetected
 
 -- | 510
@@ -754,7 +692,7 @@ notExtended :: forall m. MonadAff m => m Response
 notExtended = notExtended' empty
 
 -- | 510 with headers
-notExtended' :: forall m. MonadAff m => Headers -> m Response
+notExtended' :: forall m. MonadAff m => ResponseHeaders -> m Response
 notExtended' = emptyResponse' Status.notExtended
 
 -- | 511
@@ -762,5 +700,5 @@ networkAuthenticationRequired :: forall m. MonadAff m => m Response
 networkAuthenticationRequired = networkAuthenticationRequired' empty
 
 -- | 511 with headers
-networkAuthenticationRequired' :: forall m. MonadAff m => Headers -> m Response
+networkAuthenticationRequired' :: forall m. MonadAff m => ResponseHeaders -> m Response
 networkAuthenticationRequired' = emptyResponse' Status.networkAuthenticationRequired