diff --git a/ethclient/ethclient.go b/ethclient/ethclient.go
index f62363c849..521add7e98 100644
--- a/ethclient/ethclient.go
+++ b/ethclient/ethclient.go
@@ -131,9 +131,9 @@ func (ec *Client) BlockReceipts(ctx context.Context, blockNrOrHash rpc.BlockNumb
 }
 
 // BlobSidecars return the Sidecars of a given block number or hash.
-func (ec *Client) BlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash, fullBlob bool) ([]*types.BlobTxSidecar, error) {
+func (ec *Client) BlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) ([]*types.BlobTxSidecar, error) {
 	var r []*types.BlobTxSidecar
-	err := ec.c.CallContext(ctx, &r, "eth_getBlobSidecars", blockNrOrHash.String(), fullBlob)
+	err := ec.c.CallContext(ctx, &r, "eth_getBlobSidecars", blockNrOrHash.String(), true)
 	if err == nil && r == nil {
 		return nil, ethereum.NotFound
 	}
@@ -141,9 +141,9 @@ func (ec *Client) BlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumbe
 }
 
 // BlobSidecarByTxHash return a sidecar of a given blob transaction
-func (ec *Client) BlobSidecarByTxHash(ctx context.Context, hash common.Hash, fullBlob bool) (*types.BlobTxSidecar, error) {
+func (ec *Client) BlobSidecarByTxHash(ctx context.Context, hash common.Hash) (*types.BlobTxSidecar, error) {
 	var r *types.BlobTxSidecar
-	err := ec.c.CallContext(ctx, &r, "eth_getBlockSidecarByTxHash", hash, fullBlob)
+	err := ec.c.CallContext(ctx, &r, "eth_getBlockSidecarByTxHash", hash, true)
 	if err == nil && r == nil {
 		return nil, ethereum.NotFound
 	}
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 5bee8ec58d..e31cee15ec 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1010,7 +1010,11 @@ func (s *BlockChainAPI) GetBlockReceipts(ctx context.Context, blockNrOrHash rpc.
 	return result, nil
 }
 
-func (s *BlockChainAPI) GetBlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash, fullBlob bool) ([]map[string]interface{}, error) {
+func (s *BlockChainAPI) GetBlobSidecars(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash, fullBlob *bool) ([]map[string]interface{}, error) {
+	showBlob := true
+	if fullBlob != nil {
+		showBlob = *fullBlob
+	}
 	header, err := s.b.HeaderByNumberOrHash(ctx, blockNrOrHash)
 	if header == nil || err != nil {
 		// When the block doesn't exist, the RPC method should return JSON null
@@ -1023,12 +1027,16 @@ func (s *BlockChainAPI) GetBlobSidecars(ctx context.Context, blockNrOrHash rpc.B
 	}
 	result := make([]map[string]interface{}, len(blobSidecars))
 	for i, sidecar := range blobSidecars {
-		result[i] = marshalBlobSidecar(sidecar, fullBlob)
+		result[i] = marshalBlobSidecar(sidecar, showBlob)
 	}
 	return result, nil
 }
 
-func (s *BlockChainAPI) GetBlobSidecarByTxHash(ctx context.Context, hash common.Hash, fullBlob bool) (map[string]interface{}, error) {
+func (s *BlockChainAPI) GetBlobSidecarByTxHash(ctx context.Context, hash common.Hash, fullBlob *bool) (map[string]interface{}, error) {
+	showBlob := true
+	if fullBlob != nil {
+		showBlob = *fullBlob
+	}
 	txTarget, blockHash, _, Index := rawdb.ReadTransaction(s.b.ChainDb(), hash)
 	if txTarget == nil {
 		return nil, nil
@@ -1045,7 +1053,7 @@ func (s *BlockChainAPI) GetBlobSidecarByTxHash(ctx context.Context, hash common.
 	}
 	for _, sidecar := range blobSidecars {
 		if sidecar.TxIndex == Index {
-			return marshalBlobSidecar(sidecar, fullBlob), nil
+			return marshalBlobSidecar(sidecar, showBlob), nil
 		}
 	}
 
diff --git a/internal/ethapi/api_test.go b/internal/ethapi/api_test.go
index bb77e36d07..d1c05797fd 100644
--- a/internal/ethapi/api_test.go
+++ b/internal/ethapi/api_test.go
@@ -2204,7 +2204,7 @@ func TestRPCGetBlobSidecars(t *testing.T) {
 			result interface{}
 			err    error
 		)
-		result, err = api.GetBlobSidecars(context.Background(), tt.test, tt.fullBlob)
+		result, err = api.GetBlobSidecars(context.Background(), tt.test, &tt.fullBlob)
 		if err != nil {
 			t.Errorf("test %d: want no error, have %v", i, err)
 			continue
@@ -2254,7 +2254,7 @@ func TestGetBlobSidecarByTxHash(t *testing.T) {
 			fullBlob: true,
 			file:     "block-with-blobSidecars",
 		},
-		// 4. block show part blobs
+		// 5. block show part blobs
 		{
 			test:     txHashs[6],
 			fullBlob: false,
@@ -2267,7 +2267,7 @@ func TestGetBlobSidecarByTxHash(t *testing.T) {
 			result interface{}
 			err    error
 		)
-		result, err = api.GetBlobSidecarByTxHash(context.Background(), tt.test, tt.fullBlob)
+		result, err = api.GetBlobSidecarByTxHash(context.Background(), tt.test, &tt.fullBlob)
 		if err != nil {
 			t.Errorf("test %d: want no error, have %v", i, err)
 			continue