diff --git a/Hash2Pub.cabal b/Hash2Pub.cabal
index d1ee4b1..dba37a4 100644
--- a/Hash2Pub.cabal
+++ b/Hash2Pub.cabal
@@ -46,7 +46,7 @@ category:            Network
 extra-source-files:  CHANGELOG.md
 
 common deps
-  build-depends:       base ^>=4.12.0.0, containers ^>=0.6.0.1, bytestring, utf8-string ^>=1.0.1.1, network ^>=2.8.0.1, time ^>=1.8.0.2, cmdargs ^>= 0.10, cryptonite ^>= 0.25, memory, async, stm, asn1-encoding, asn1-types, asn1-parse, publicsuffix, network-byte-order, safe, iproute, mtl, random
+  build-depends:       base ^>=4.12.0.0, containers ^>=0.6.0.1, bytestring, utf8-string ^>=1.0.1.1, network ^>=2.8.0.1, time ^>=1.8.0.2, cmdargs ^>= 0.10, cryptonite ^>= 0.25, memory, async, stm, asn1-encoding, asn1-types, asn1-parse, publicsuffix, network-byte-order, safe, iproute, mtl, random, servant, servant-server, servant-client, warp, text
   ghc-options:         -Wall
 
 
@@ -55,7 +55,7 @@ library
   import: deps
 
   -- Modules exported by the library.
-  exposed-modules:     Hash2Pub.FediChord, Hash2Pub.FediChordTypes, Hash2Pub.DHTProtocol, Hash2Pub.ASN1Coding, Hash2Pub.ProtocolTypes
+  exposed-modules:     Hash2Pub.FediChord, Hash2Pub.FediChordTypes, Hash2Pub.DHTProtocol, Hash2Pub.ASN1Coding, Hash2Pub.ProtocolTypes, Hash2Pub.PostService
 
   -- Modules included in this library but not exported.
   other-modules: Hash2Pub.Utils
diff --git a/src/Hash2Pub/PostService.hs b/src/Hash2Pub/PostService.hs
new file mode 100644
index 0000000..5a8fc3a
--- /dev/null
+++ b/src/Hash2Pub/PostService.hs
@@ -0,0 +1,17 @@
+{-# LANGUAGE DataKinds #-}
+{-# LANGUAGE TypeOperators #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+module Hash2Pub.PostService where
+
+import Servant
+import qualified Data.Text as Txt
+
+type ServiceAPI = "relay" :> "inbox" :> PostCreated '[PlainText] Txt.Text
+             -- ^ delivery endpoint of new posts to relay 
+             :<|> "relay" :> "subscribers" :> Post '[PlainText] Txt.Text
+             -- ^ endpoint for delivering the subscription and outstanding queue 
+             :<|> "post" :> Capture "postid" Txt.Text :> Get '[PlainText] Txt.Text
+             :<|> "tags" :> Capture "hashtag" Txt.Text :> PostCreated '[PlainText] Txt.Text
+             :<|> "tags" :> Capture "hashtag" Txt.Text :> "subscribe" :> Header "Origin" Txt.Text :> Get '[PlainText] Txt.Text
+             :<|> "tags" :> Capture "hashtag" Txt.Text :> "unsubscribe" :> Header "Origin" Txt.Text :> Get '[PlainText] Txt.Text