diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## 0.14.9
+### Added
+- Last external/change index information to `XPubSummary` object.
+
 ## 0.14.8
 ### Added
 - Endpoint for xpub summaries.
diff --git a/haskoin-store.cabal b/haskoin-store.cabal
--- a/haskoin-store.cabal
+++ b/haskoin-store.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 807e40f322a2b27c961a0296734a984a32c4f1fa0b9a3613acc3c1661f085a9a
+-- hash: 617a58a17a5d91918490076dcbe3d80c11fa8480befcac0e5afff71309398fa2
 
 name:           haskoin-store
-version:        0.14.8
+version:        0.14.9
 synopsis:       Storage and index for Bitcoin and Bitcoin Cash
 description:    Store blocks, transactions, and balances for Bitcoin or Bitcoin Cash, and make that information via REST API.
 category:       Bitcoin, Finance, Network
diff --git a/src/Haskoin/Store.hs b/src/Haskoin/Store.hs
--- a/src/Haskoin/Store.hs
+++ b/src/Haskoin/Store.hs
@@ -454,6 +454,8 @@
                 , a <- ais ++ aos
                 ]
         ps = H.fromList $ mapMaybe (\a -> (a, ) <$> H.lookup a pm) as
+        ex = foldl max 0 [i | XPubBal {xPubBalPath = [x, i]} <- bs, x == 0]
+        ch = foldl max 0 [i | XPubBal {xPubBalPath = [x, i]} <- bs, x == 1]
     return
         XPubSummary
             { xPubSummaryReceived =
@@ -462,6 +464,8 @@
             , xPubSummaryZero = sum (map (balanceZero . xPubBal) bs)
             , xPubSummaryPaths = ps
             , xPubSummaryTxs = txs
+            , xPubChangeIndex = ch
+            , xPubExternalIndex = ex
             }
 
 -- | Check if any of the ancestors of this transaction is a coinbase after the
diff --git a/src/Network/Haskoin/Store/Data.hs b/src/Network/Haskoin/Store/Data.hs
--- a/src/Network/Haskoin/Store/Data.hs
+++ b/src/Network/Haskoin/Store/Data.hs
@@ -828,6 +828,8 @@
         { xPubSummaryReceived  :: !Word64
         , xPubSummaryConfirmed :: !Word64
         , xPubSummaryZero      :: !Word64
+        , xPubExternalIndex    :: !Word32
+        , xPubChangeIndex      :: !Word32
         , xPubSummaryPaths     :: !(HashMap Address [KeyIndex])
         , xPubSummaryTxs       :: ![Transaction]
         }
@@ -839,9 +841,12 @@
                                  , xPubSummaryZero = z
                                  , xPubSummaryPaths = ps
                                  , xPubSummaryTxs = ts
+                                 , xPubExternalIndex = ext
+                                 , xPubChangeIndex = ch
                                  } =
     [ "balance" .=
       object ["received" .= r, "confirmed" .= c, "unconfirmed" .= z]
+    , "indices" .= object ["change" .= ch, "external" .= ext]
     , "paths" .= object (mapMaybe (uncurry f) (H.toList ps))
     , "txs" .= map (transactionToJSON net) ts
     ]
@@ -862,12 +867,16 @@
     binSerial net XPubSummary { xPubSummaryReceived = r
                               , xPubSummaryConfirmed = c
                               , xPubSummaryZero = z
+                              , xPubExternalIndex = ext
+                              , xPubChangeIndex = ch
                               , xPubSummaryPaths = ps
                               , xPubSummaryTxs = ts
                               } = do
         put r
         put c
         put z
+        put ext
+        put ch
         putWord64be (fromIntegral $ H.size ps)
         forM_ (H.toList ps) $ \(a, p) -> do
             binSerial net a