diff --git a/beacon-chain/rpc/eth/validator/handlers_block.go b/beacon-chain/rpc/eth/validator/handlers_block.go
index 14f59ac555..15d54873cd 100644
--- a/beacon-chain/rpc/eth/validator/handlers_block.go
+++ b/beacon-chain/rpc/eth/validator/handlers_block.go
@@ -18,7 +18,6 @@ import (
 	http2 "github.com/prysmaticlabs/prysm/v4/network/http"
 	eth "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v4/runtime/version"
-	log "github.com/sirupsen/logrus"
 	"go.opencensus.io/trace"
 )
 
@@ -79,9 +78,6 @@ func (s *Server) ProduceBlockV3(w http.ResponseWriter, r *http.Request) {
 
 func (s *Server) produceBlockV3(ctx context.Context, w http.ResponseWriter, r *http.Request, v1alpha1req *eth.BlockRequest) {
 	isSSZ := http2.SszRequested(r)
-	if !isSSZ {
-		log.Error("Checking for SSZ failed, defaulting to JSON")
-	}
 	v1alpha1resp, err := s.V1Alpha1Server.GetBeaconBlock(ctx, v1alpha1req)
 	if err != nil {
 		http2.HandleError(w, err.Error(), http.StatusInternalServerError)
@@ -100,12 +96,14 @@ func (s *Server) produceBlockV3(ctx context.Context, w http.ResponseWriter, r *h
 
 	phase0Block, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Phase0)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Phase0))
 		// rewards aren't used in phase 0
 		handleProducePhase0V3(ctx, w, isSSZ, phase0Block, v1alpha1resp.PayloadValue)
 		return
 	}
 	altairBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Altair)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Altair))
 		handleProduceAltairV3(ctx, w, isSSZ, altairBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
@@ -120,31 +118,37 @@ func (s *Server) produceBlockV3(ctx context.Context, w http.ResponseWriter, r *h
 	}
 	blindedBellatrixBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_BlindedBellatrix)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Bellatrix))
 		handleProduceBlindedBellatrixV3(ctx, w, isSSZ, blindedBellatrixBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	bellatrixBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Bellatrix)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Bellatrix))
 		handleProduceBellatrixV3(ctx, w, isSSZ, bellatrixBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	blindedCapellaBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_BlindedCapella)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Capella))
 		handleProduceBlindedCapellaV3(ctx, w, isSSZ, blindedCapellaBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	capellaBlock, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Capella)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Capella))
 		handleProduceCapellaV3(ctx, w, isSSZ, capellaBlock, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	blindedDenebBlockContents, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_BlindedDeneb)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Deneb))
 		handleProduceBlindedDenebV3(ctx, w, isSSZ, blindedDenebBlockContents, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
 	denebBlockContents, ok := v1alpha1resp.Block.(*eth.GenericBeaconBlock_Deneb)
 	if ok {
+		w.Header().Set(api.VersionHeader, version.String(version.Deneb))
 		handleProduceDenebV3(ctx, w, isSSZ, denebBlockContents, v1alpha1resp.PayloadValue, consensusBlockValue)
 		return
 	}
diff --git a/beacon-chain/rpc/eth/validator/handlers_block_test.go b/beacon-chain/rpc/eth/validator/handlers_block_test.go
index 861af5bb5f..722b480a6f 100644
--- a/beacon-chain/rpc/eth/validator/handlers_block_test.go
+++ b/beacon-chain/rpc/eth/validator/handlers_block_test.go
@@ -51,9 +51,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"phase0","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "phase0", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Altair", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockAltair
@@ -84,9 +85,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"altair","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "altair", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Bellatrix", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockBellatrix
@@ -117,9 +119,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"bellatrix","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "bellatrix", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("BlindedBellatrix", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockBellatrix
@@ -150,9 +153,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"bellatrix","execution_payload_blinded":true,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "true", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "bellatrix", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Capella", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockCapella
@@ -183,9 +187,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"capella","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "capella", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Blinded Capella", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockCapella
@@ -219,9 +224,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"capella","execution_payload_blinded":true,"execution_payload_value":"2000","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "2000", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "true", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "2000", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "capella", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Deneb", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockContentsDeneb
@@ -252,9 +258,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"deneb","execution_payload_blinded":false,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "deneb", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Blinded Deneb", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockContentsDeneb
@@ -285,9 +292,10 @@ func TestProduceBlockV3(t *testing.T) {
 		want := fmt.Sprintf(`{"version":"deneb","execution_payload_blinded":true,"execution_payload_value":"0","consensus_block_value":"10","data":%s}`, string(jsonBytes))
 		body := strings.ReplaceAll(writer.Body.String(), "\n", "")
 		require.Equal(t, want, body)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "true", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "deneb", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("invalid query parameter slot empty", func(t *testing.T) {
 		v1alpha1Server := mock2.NewMockBeaconNodeValidatorServer(ctrl)
@@ -376,9 +384,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.Phase0.Block.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "phase0", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Altair", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockAltair
@@ -410,9 +419,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.Altair.Block.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "altair", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Bellatrix", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockBellatrix
@@ -445,9 +455,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.Bellatrix.Block.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "bellatrix", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("BlindedBellatrix", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockBellatrix
@@ -480,9 +491,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.BlindedBellatrix.Block.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "true", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "bellatrix", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Capella", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockCapella
@@ -515,9 +527,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.Capella.Block.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "capella", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Blinded Capella", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockCapella
@@ -553,9 +566,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.BlindedCapella.Block.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "2000", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "true", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "2000", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "capella", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Deneb", func(t *testing.T) {
 		var block *shared.SignedBeaconBlockContentsDeneb
@@ -588,9 +602,10 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.Deneb.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "false", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "false", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "deneb", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 	t.Run("Blinded Deneb", func(t *testing.T) {
 		var block *shared.SignedBlindedBeaconBlockContentsDeneb
@@ -623,8 +638,9 @@ func TestProduceBlockV3SSZ(t *testing.T) {
 		ssz, err := bl.BlindedDeneb.MarshalSSZ()
 		require.NoError(t, err)
 		require.Equal(t, string(ssz), writer.Body.String())
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadBlindedHeader) == "true", true)
-		require.Equal(t, writer.Header().Get(api.ExecutionPayloadValueHeader) == "0", true)
-		require.Equal(t, writer.Header().Get(api.ConsensusBlockValueHeader) == "10", true)
+		require.Equal(t, "true", writer.Header().Get(api.ExecutionPayloadBlindedHeader))
+		require.Equal(t, "0", writer.Header().Get(api.ExecutionPayloadValueHeader))
+		require.Equal(t, "deneb", writer.Header().Get(api.VersionHeader))
+		require.Equal(t, "10", writer.Header().Get(api.ConsensusBlockValueHeader))
 	})
 }