diff --git a/internal/hmyapi/types.go b/internal/hmyapi/types.go
index 80d877d4a..cc822b3d6 100644
--- a/internal/hmyapi/types.go
+++ b/internal/hmyapi/types.go
@@ -168,6 +168,7 @@ func newRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber
 		Gas:       tx.Gas(),
 		GasPrice:  tx.GasPrice(),
 		Hash:      tx.Hash(),
+		Input:     hexutil.Bytes(tx.Data()),
 		Nonce:     tx.Nonce(),
 		Value:     tx.Value(),
 		ShardID:   tx.ShardID(),