diff --git a/components/apimgt/org.wso2.carbon.apimgt.common.analytics/src/main/java/org/wso2/carbon/apimgt/common/analytics/publishers/dto/enums/FaultSubCategories.java b/components/apimgt/org.wso2.carbon.apimgt.common.analytics/src/main/java/org/wso2/carbon/apimgt/common/analytics/publishers/dto/enums/FaultSubCategories.java
index 9f001019becb..9ae16ab0ca3b 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.common.analytics/src/main/java/org/wso2/carbon/apimgt/common/analytics/publishers/dto/enums/FaultSubCategories.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.common.analytics/src/main/java/org/wso2/carbon/apimgt/common/analytics/publishers/dto/enums/FaultSubCategories.java
@@ -28,6 +28,8 @@ public enum Other implements FaultSubCategory {
         MEDIATION_ERROR,
         RESOURCE_NOT_FOUND,
         METHOD_NOT_ALLOWED,
+        INVALID_REQUEST_SCHEMA,
+        INVALID_RESPONSE_SCHEMA,
         UNCLASSIFIED
     }
 
diff --git a/components/apimgt/org.wso2.carbon.apimgt.gateway/src/main/java/org/wso2/carbon/apimgt/gateway/handlers/analytics/FaultCodeClassifier.java b/components/apimgt/org.wso2.carbon.apimgt.gateway/src/main/java/org/wso2/carbon/apimgt/gateway/handlers/analytics/FaultCodeClassifier.java
index 7cbeed25a635..174d2d327e55 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.gateway/src/main/java/org/wso2/carbon/apimgt/gateway/handlers/analytics/FaultCodeClassifier.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.gateway/src/main/java/org/wso2/carbon/apimgt/gateway/handlers/analytics/FaultCodeClassifier.java
@@ -17,6 +17,7 @@
 
 package org.wso2.carbon.apimgt.gateway.handlers.analytics;
 
+import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.synapse.MessageContext;
@@ -127,6 +128,10 @@ protected FaultSubCategory getOtherFaultSubCategory(int errorCode) {
             return FaultSubCategories.Other.METHOD_NOT_ALLOWED;
         } else if (isResourceNotFound()) {
             return FaultSubCategories.Other.RESOURCE_NOT_FOUND;
+        } else if (isRequestSchemaInvalid()) {
+            return FaultSubCategories.Other.INVALID_REQUEST_SCHEMA;
+        } else if (isResponseSchemaInvalid()) {
+            return FaultSubCategories.Other.INVALID_RESPONSE_SCHEMA;
         } else {
             return FaultSubCategories.Other.UNCLASSIFIED;
         }
@@ -149,4 +154,24 @@ public boolean isMethodNotAllowed() {
         }
         return false;
     }
+
+    private boolean isRequestSchemaInvalid() {
+        if (messageContext.getPropertyKeySet().contains(SynapseConstants.ERROR_DETAIL)) {
+            String errorDetail = (String) messageContext.getProperty(SynapseConstants.ERROR_DETAIL);
+            String errorMessage = "Schema validation failed in the Request: ";
+            return messageContext.getPropertyKeySet().contains(RESTConstants.PROCESSED_API)
+                    && StringUtils.isNotEmpty(errorDetail) && errorDetail.contains(errorMessage);
+        }
+        return false;
+    }
+
+    private boolean isResponseSchemaInvalid() {
+        if (messageContext.getPropertyKeySet().contains(SynapseConstants.ERROR_DETAIL)) {
+            String errorDetail = (String) messageContext.getProperty(SynapseConstants.ERROR_DETAIL);
+            String errorMessage = "Schema validation failed in the Response: ";
+            return messageContext.getPropertyKeySet().contains(RESTConstants.PROCESSED_API)
+                    && StringUtils.isNotEmpty(errorDetail) && errorDetail.contains(errorMessage);
+        }
+        return false;
+    }
 }
diff --git a/features/apimgt/org.wso2.carbon.apimgt.rest.api.service.catalog.feature/src/main/resources/runtimes/cxf3/snakeyaml-2.0.jar b/features/apimgt/org.wso2.carbon.apimgt.rest.api.service.catalog.feature/src/main/resources/runtimes/cxf3/snakeyaml-2.0.jar
new file mode 100644
index 000000000000..469b0430e4bd
Binary files /dev/null and b/features/apimgt/org.wso2.carbon.apimgt.rest.api.service.catalog.feature/src/main/resources/runtimes/cxf3/snakeyaml-2.0.jar differ