diff --git a/api/web3server_utils.go b/api/web3server_utils.go
index dc28ace10e..bfa9676d37 100644
--- a/api/web3server_utils.go
+++ b/api/web3server_utils.go
@@ -332,7 +332,12 @@ func parseCallObject(in *gjson.Result) (address.Address, string, uint64, *big.In
 		}
 	}
 
-	data = common.FromHex(in.Get("params.0.data").String())
+	input := in.Get("params.0.input")
+	if input.Exists() {
+		data = common.FromHex(input.String())
+	} else {
+		data = common.FromHex(in.Get("params.0.data").String())
+	}
 	return from, to, gasLimit, value, data, nil
 }
 
diff --git a/api/web3server_utils_test.go b/api/web3server_utils_test.go
new file mode 100644
index 0000000000..c346edf3fc
--- /dev/null
+++ b/api/web3server_utils_test.go
@@ -0,0 +1,74 @@
+package api
+
+import (
+	"math/big"
+	"testing"
+
+	"github.com/iotexproject/iotex-address/address"
+	"github.com/stretchr/testify/require"
+	"github.com/tidwall/gjson"
+)
+
+func TestParseCallObject(t *testing.T) {
+	require := require.New(t)
+
+	testData := []struct {
+		name  string
+		input string
+
+		from     string
+		to       string
+		gasLimit uint64
+		value    *big.Int
+		data     []byte
+		err      error
+	}{
+		{
+			name: "legacy",
+			input: `{"params":[{
+				"from":     "",
+				"to":       "0x7c13866F9253DEf79e20034eDD011e1d69E67fe5",
+				"gas":      "0x4e20",
+				"gasPrice": "0xe8d4a51000",
+				"value":    "0x1",
+				"data":     "0x6d4ce63c"
+			   },
+			   1]}`,
+			from:     address.ZeroAddress,
+			to:       "io10sfcvmuj2000083qqd8d6qg7r457vll9gly090",
+			gasLimit: 20000,
+			value:    new(big.Int).SetInt64(1),
+			data:     []byte{0x6d, 0x4c, 0xe6, 0x3c},
+		},
+		{
+			name: "input instead of data",
+			input: `{"params":[{
+				"from":     "",
+				"to":       "0x7c13866F9253DEf79e20034eDD011e1d69E67fe5",
+				"gas":      "0x4e20",
+				"gasPrice": "0xe8d4a51000",
+				"value":    "0x1",
+				"input":     "0x6d4ce63c"
+			   },
+			   1]}`,
+			from:     address.ZeroAddress,
+			to:       "io10sfcvmuj2000083qqd8d6qg7r457vll9gly090",
+			gasLimit: 20000,
+			value:    new(big.Int).SetInt64(1),
+			data:     []byte{0x6d, 0x4c, 0xe6, 0x3c},
+		},
+	}
+
+	for _, test := range testData {
+		t.Run(test.name, func(t *testing.T) {
+			in := gjson.Parse(test.input)
+			from, to, gasLimit, value, data, err := parseCallObject(&in)
+			require.Equal(test.from, from.String())
+			require.Equal(test.to, to)
+			require.Equal(test.gasLimit, gasLimit)
+			require.Equal(test.value, value)
+			require.Equal(test.data, data)
+			require.Equal(test.err, err)
+		})
+	}
+}