diff --git a/common/src/main/java/org/opensearch/ml/common/CommonValue.java b/common/src/main/java/org/opensearch/ml/common/CommonValue.java
index 192b7a9737..93564a7d4b 100644
--- a/common/src/main/java/org/opensearch/ml/common/CommonValue.java
+++ b/common/src/main/java/org/opensearch/ml/common/CommonValue.java
@@ -538,4 +538,5 @@ public class CommonValue {
         public static final Version VERSION_2_12_0 = Version.fromString("2.12.0");
         public static final Version VERSION_2_13_0 = Version.fromString("2.13.0");
         public static final Version VERSION_2_14_0 = Version.fromString("2.14.0");
+        public static final Version VERSION_2_16_0 = Version.fromString("2.16.0");
 }
diff --git a/common/src/main/java/org/opensearch/ml/common/connector/ConnectorAction.java b/common/src/main/java/org/opensearch/ml/common/connector/ConnectorAction.java
index 1562894cee..b0373ca4e9 100644
--- a/common/src/main/java/org/opensearch/ml/common/connector/ConnectorAction.java
+++ b/common/src/main/java/org/opensearch/ml/common/connector/ConnectorAction.java
@@ -193,7 +193,7 @@ public static ActionType from(String value) {
             try {
                 return ActionType.valueOf(value.toUpperCase(Locale.ROOT));
             } catch (Exception e) {
-                throw new IllegalArgumentException("Wrong Action Type");
+                throw new IllegalArgumentException("Wrong Action Type of " + value);
             }
         }
 
@@ -205,5 +205,14 @@ public static ActionType from(String value) {
         public static boolean isValidActionInModelPrediction(ActionType actionType) {
             return MODEL_SUPPORT_ACTIONS.contains(actionType);
         }
+
+        public static boolean isValidAction(String action) {
+            try {
+                ActionType.valueOf(action.toUpperCase());
+                return true;
+            } catch (IllegalArgumentException e) {
+                return false;
+            }
+        }
     }
 }
diff --git a/common/src/main/java/org/opensearch/ml/common/dataset/remote/RemoteInferenceInputDataSet.java b/common/src/main/java/org/opensearch/ml/common/dataset/remote/RemoteInferenceInputDataSet.java
index ad145213bc..09a6e4f269 100644
--- a/common/src/main/java/org/opensearch/ml/common/dataset/remote/RemoteInferenceInputDataSet.java
+++ b/common/src/main/java/org/opensearch/ml/common/dataset/remote/RemoteInferenceInputDataSet.java
@@ -8,8 +8,10 @@
 import lombok.Builder;
 import lombok.Getter;
 import lombok.Setter;
+import org.opensearch.Version;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
+import org.opensearch.ml.common.CommonValue;
 import org.opensearch.ml.common.connector.ConnectorAction.ActionType;
 import org.opensearch.ml.common.annotation.InputDataSet;
 import org.opensearch.ml.common.dataset.MLInputDataType;
@@ -21,7 +23,7 @@
 @Getter
 @InputDataSet(MLInputDataType.REMOTE)
 public class RemoteInferenceInputDataSet extends MLInputDataset {
-
+    private static final Version MINIMAL_SUPPORTED_VERSION_FOR_CLIENT_CONFIG = CommonValue.VERSION_2_16_0;
     @Setter
     private Map<String, String> parameters;
     @Setter
@@ -40,30 +42,36 @@ public RemoteInferenceInputDataSet(Map<String, String> parameters) {
 
     public RemoteInferenceInputDataSet(StreamInput streamInput) throws IOException {
         super(MLInputDataType.REMOTE);
+        Version streamInputVersion = streamInput.getVersion();
         if (streamInput.readBoolean()) {
             parameters = streamInput.readMap(s -> s.readString(), s-> s.readString());
         }
-        if (streamInput.readBoolean()) {
-            actionType = streamInput.readEnum(ActionType.class);
-        } else {
-            this.actionType = null;
+        if (streamInputVersion.onOrAfter(MINIMAL_SUPPORTED_VERSION_FOR_CLIENT_CONFIG)) {
+            if (streamInput.readBoolean()) {
+                actionType = streamInput.readEnum(ActionType.class);
+            } else {
+                this.actionType = null;
+            }
         }
     }
 
     @Override
     public void writeTo(StreamOutput streamOutput) throws IOException {
         super.writeTo(streamOutput);
+        Version streamOutputVersion = streamOutput.getVersion();
         if (parameters !=  null) {
             streamOutput.writeBoolean(true);
             streamOutput.writeMap(parameters, StreamOutput::writeString, StreamOutput::writeString);
         } else {
             streamOutput.writeBoolean(false);
         }
-        if (actionType != null) {
-            streamOutput.writeBoolean(true);
-            streamOutput.writeEnum(actionType);
-        } else {
-            streamOutput.writeBoolean(false);
+        if (streamOutputVersion.onOrAfter(MINIMAL_SUPPORTED_VERSION_FOR_CLIENT_CONFIG)) {
+            if (actionType != null) {
+                streamOutput.writeBoolean(true);
+                streamOutput.writeEnum(actionType);
+            } else {
+                streamOutput.writeBoolean(false);
+            }
         }
     }
 
diff --git a/plugin/src/main/java/org/opensearch/ml/task/MLPredictTaskRunner.java b/plugin/src/main/java/org/opensearch/ml/task/MLPredictTaskRunner.java
index e2190f8a23..2028d4770c 100644
--- a/plugin/src/main/java/org/opensearch/ml/task/MLPredictTaskRunner.java
+++ b/plugin/src/main/java/org/opensearch/ml/task/MLPredictTaskRunner.java
@@ -19,8 +19,6 @@
 import java.util.Arrays;
 import java.util.UUID;
 
-import javax.swing.*;
-
 import org.opensearch.OpenSearchException;
 import org.opensearch.OpenSearchStatusException;
 import org.opensearch.ResourceNotFoundException;
diff --git a/plugin/src/main/java/org/opensearch/ml/utils/RestActionUtils.java b/plugin/src/main/java/org/opensearch/ml/utils/RestActionUtils.java
index 2a3e091281..1f7839ee86 100644
--- a/plugin/src/main/java/org/opensearch/ml/utils/RestActionUtils.java
+++ b/plugin/src/main/java/org/opensearch/ml/utils/RestActionUtils.java
@@ -39,6 +39,7 @@
 import org.opensearch.core.common.Strings;
 import org.opensearch.core.rest.RestStatus;
 import org.opensearch.index.IndexNotFoundException;
+import org.opensearch.ml.common.connector.ConnectorAction.ActionType;
 import org.opensearch.rest.BytesRestResponse;
 import org.opensearch.rest.RestChannel;
 import org.opensearch.rest.RestRequest;
@@ -313,8 +314,12 @@ public static String getActionTypeFromRestRequest(RestRequest request) {
         String path = request.path();
         String[] segments = path.split("/");
         String methodName = segments[segments.length - 1];
-        if (methodName.contains("_")) {
-            methodName = methodName.split("_")[1];
+        methodName = methodName.contains("_") ? methodName.split("_")[1] : methodName;
+
+        // find the action type for "/_plugins/_ml/_predict/<algorithm>/<model_id>"
+        if (!ActionType.isValidAction(methodName) && segments.length > 3) {
+            methodName = segments[3];
+            methodName = methodName.contains("_") ? methodName.split("_")[1] : methodName;
         }
         return methodName;
     }
diff --git a/plugin/src/test/java/org/opensearch/ml/utils/TestHelper.java b/plugin/src/test/java/org/opensearch/ml/utils/TestHelper.java
index 88488df351..01f4563c79 100644
--- a/plugin/src/test/java/org/opensearch/ml/utils/TestHelper.java
+++ b/plugin/src/test/java/org/opensearch/ml/utils/TestHelper.java
@@ -212,6 +212,7 @@ public static RestRequest getKMeansRestRequest() {
             + "\"COSINE\"},\"input_query\":{\"_source\":[\"petal_length_in_cm\",\"petal_width_in_cm\"],"
             + "\"size\":10000},\"input_index\":[\"iris_data\"]}";
         RestRequest request = new FakeRestRequest.Builder(getXContentRegistry())
+            .withPath("/_plugins/_ml/models/{model_id}}/_predict")
             .withParams(params)
             .withContent(new BytesArray(requestContent), XContentType.JSON)
             .build();