diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@
 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).
 
+## 0.9.1
+### Added
+- Total block fees.
+- Total block outputs.
+- Block subsidy.
+
+### Changed
+- Do not consider the blocks less one block away from headers as out of sync in health check.
+- Health check now returns HTTP 503 when not OK or out of sync.
+
 ## 0.9.0
 ### Added
 - Version to health check output.
diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,5 +1,6 @@
 {-# LANGUAGE ApplicativeDo     #-}
 {-# LANGUAGE FlexibleContexts  #-}
+{-# LANGUAGE MultiWayIf #-}
 {-# LANGUAGE GADTs             #-}
 {-# LANGUAGE LambdaCase        #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -510,6 +511,7 @@
                     (db, defaultReadOptions)
                     (storeManager st)
                     (storeChain st)
+            when (not (healthOK h) || not (healthSynced h)) $ status status503
             S.json h
         notFound $ raise ThingNotFound
   where
diff --git a/haskoin-store.cabal b/haskoin-store.cabal
--- a/haskoin-store.cabal
+++ b/haskoin-store.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 6ac575f0a235a7af3c995ba075ee5e8a91f0f70327fe186361fe1da63393e81c
+-- hash: f7f6a1e100b553cf8e1d3d6efecbfba20f1d30e559140218fec71f61d17d55df
 
 name:           haskoin-store
-version:        0.9.0
+version:        0.9.1
 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
@@ -203,7 +203,7 @@
             isJust $ do
                 x <- n
                 y <- b
-                guard $ nodeHeader x == blockDataHeader y
+                guard $ nodeHeight x - blockDataHeight y <= 1
                 guard $ blockTimestamp (blockDataHeader y) >= t - 7200
     return
         HealthCheck
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
@@ -269,6 +269,12 @@
       -- ^ weight of this block (for segwit networks)
     , blockDataTxs       :: ![TxHash]
       -- ^ block transactions
+    , blockDataOutputs   :: !Word64
+      -- ^ sum of all transaction outputs
+    , blockDataFees      :: !Word64
+      -- ^ sum of all transaction fees
+    , blockDataSubsidy   :: !Word64
+      -- ^ block subsidy
     } deriving (Show, Read, Eq, Ord, Generic, Serialize, Hashable)
 
 -- | JSON serialization for 'BlockData'.
@@ -285,6 +291,9 @@
     , "size" .= blockDataSize bv
     , "tx" .= blockDataTxs bv
     , "merkle" .= TxHash (merkleRoot (blockDataHeader bv))
+    , "subsidy" .= blockDataSubsidy bv
+    , "fees" .= blockDataFees bv
+    , "outputs" .= blockDataOutputs bv
     ] ++ ["weight" .= blockDataWeight bv | getSegWit net]
 
 blockDataToJSON :: Network -> BlockData -> Value
@@ -553,8 +562,7 @@
   where
     w = let b = B.length $ S.encode (transactionData dtx) {txWitness = []}
             x = B.length $ S.encode (transactionData dtx)
-            d = x - b
-        in b * 4 + d
+        in b * 3 + x
 
 transactionToJSON :: Network -> Transaction -> Value
 transactionToJSON net = object . transactionPairs net
diff --git a/src/Network/Haskoin/Store/Data/RocksDB.hs b/src/Network/Haskoin/Store/Data/RocksDB.hs
--- a/src/Network/Haskoin/Store/Data/RocksDB.hs
+++ b/src/Network/Haskoin/Store/Data/RocksDB.hs
@@ -19,7 +19,7 @@
 import           UnliftIO
 
 dataVersion :: Word32
-dataVersion = 13
+dataVersion = 14
 
 data ExceptRocksDB =
     MempoolTxNotFound
diff --git a/src/Network/Haskoin/Store/Logic.hs b/src/Network/Haskoin/Store/Logic.hs
--- a/src/Network/Haskoin/Store/Logic.hs
+++ b/src/Network/Haskoin/Store/Logic.hs
@@ -21,6 +21,7 @@
 import           Data.Word
 import           Database.RocksDB
 import           Haskoin
+import           Network.Haskoin.Block.Headers       (computeSubsidy)
 import           Network.Haskoin.Store.Data
 import           Network.Haskoin.Store.Data.HashMap
 import           Network.Haskoin.Store.Data.ImportDB
@@ -234,6 +235,9 @@
             , blockDataSize = fromIntegral (B.length (encode b))
             , blockDataTxs = map txHash (blockTxns b)
             , blockDataWeight = fromIntegral w
+            , blockDataSubsidy = subsidy (nodeHeight n)
+            , blockDataFees = cb_out_val - subsidy (nodeHeight n)
+            , blockDataOutputs = ts_out_val
             }
     insertAtHeight i (headerHash (nodeHeader n)) (nodeHeight n)
     setBest i (headerHash (nodeHeader n))
@@ -248,11 +252,13 @@
         [0 ..]
         (sortTxs (blockTxns b))
   where
+    subsidy = computeSubsidy net
+    cb_out_val = sum (map outValue (txOut (head (blockTxns b))))
+    ts_out_val = sum (map (\tx -> sum (map outValue (txOut tx))) (tail (blockTxns b)))
     br pos = BlockRef {blockRefHeight = nodeHeight n, blockRefPos = pos}
     w = let s = B.length (encode b {blockTxns = map (\t -> t {txWitness = []}) (blockTxns b)})
             x = B.length (encode b)
-            d = x - s
-        in s * 4 + d
+        in s * 3 + x
 
 sortTxs :: [Tx] -> [Tx]
 sortTxs [] = []