diff --git a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/APIProvider.java b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/APIProvider.java
index d7573b75f1e7..916492f6edb3 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/APIProvider.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/APIProvider.java
@@ -66,7 +66,7 @@ public interface APIProvider extends APIManager {
     Comment getComment(ApiTypeWrapper apiTypeWrapper, String commentId, Integer replyLimit, Integer replyOffset) throws
             APIManagementException;
 
-    void deleteCustomBackendByID(String backendUUID, String apiUUID, String type) throws APIManagementException;
+    void deleteCustomBackendByID(String apiUUID, String type) throws APIManagementException;
     void deleteCustomBackendByAPIID(String apiUUID) throws APIManagementException;
 
     /**
@@ -327,7 +327,9 @@ Map<String, Object> getCustomBackendOfAPIByUUID(String customBackendUUID, String
 
     String getCustomBackendSequenceOfAPIByUUID(String apiUUID, String type) throws APIManagementException;
 
-    CustomBackendData getCustomBackendByAPIUUID(String apiUUID, String type) throws APIManagementException;
+    SequenceBackendData getCustomBackendByAPIUUID(String apiUUID, String type) throws APIManagementException;
+
+    List<SequenceBackendData> getAllSequenceBackendsByAPIUUID(String apiUUID) throws APIManagementException;
 
     /**
      * Create a new version of the <code>api</code>, with version <code>newVersion</code>
diff --git a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/ExceptionCodes.java b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/ExceptionCodes.java
index f8f6067562b4..fac110a81287 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/ExceptionCodes.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/ExceptionCodes.java
@@ -533,8 +533,8 @@ public enum ExceptionCodes implements ErrorHandler {
             "Required attributes(s) %s for api policy specification %s are either missing or empty"),
     OPERATION_POLICY_NOT_FOUND(902010, "API Policy Not Found", 404,
             "Requested api policy with id '%s' not found"),
-    CUSTOM_BACKEND_NOT_FOUND(903250, "Custom Backend not found",
-            404, "Requested Custom Backend with id '%s' not found"),
+    CUSTOM_BACKEND_NOT_FOUND(903250, "Sequence Backend not found",
+            404, "Requested Sequence Backend of API '%s' not found"),
 
     OPERATION_POLICY_ALREADY_EXISTS(903001, "The API Policy already exists.", 409, "An Operation Policy with name '%s' and version '%s' already exists"),
 
diff --git a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/CustomBackendData.java b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/SequenceBackendData.java
similarity index 96%
rename from components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/CustomBackendData.java
rename to components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/SequenceBackendData.java
index ab9576002c28..5cccbbbbc433 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/CustomBackendData.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/SequenceBackendData.java
@@ -1,6 +1,6 @@
 package org.wso2.carbon.apimgt.api.model;
 
-public class CustomBackendData {
+public class SequenceBackendData {
     private String Id;
     private String sequence;
     private String type;
diff --git a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java
index dfeb1cc79bb1..1d475bcea20b 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java
@@ -71,7 +71,7 @@
 import org.wso2.carbon.apimgt.api.model.BlockConditionsDTO;
 import org.wso2.carbon.apimgt.api.model.Comment;
 import org.wso2.carbon.apimgt.api.model.CommentList;
-import org.wso2.carbon.apimgt.api.model.CustomBackendData;
+import org.wso2.carbon.apimgt.api.model.SequenceBackendData;
 import org.wso2.carbon.apimgt.api.model.DeployedAPIRevision;
 import org.wso2.carbon.apimgt.api.model.Documentation;
 import org.wso2.carbon.apimgt.api.model.Documentation.DocumentSourceType;
@@ -1061,18 +1061,21 @@ public String getCustomBackendSequenceOfAPIByUUID(String apiUUID, String type)
     }
 
     @Override
-    public CustomBackendData getCustomBackendByAPIUUID(String apiUUID, String type) throws APIManagementException {
+    public SequenceBackendData getCustomBackendByAPIUUID(String apiUUID, String type) throws APIManagementException {
         return apiMgtDAO.getCustomBackendByAPIUUID(apiUUID, type);
     }
 
+    public List<SequenceBackendData> getAllSequenceBackendsByAPIUUID(String apiUUID) throws APIManagementException {
+        return apiMgtDAO.getSequenceBackendsByAPIUUID(apiUUID);
+    }
+
     @Override
     public void deleteCustomBackendByAPIID(String apiUUID) throws APIManagementException {
         apiMgtDAO.deleteCustomBackendByAPIID(apiUUID);
     }
     @Override
-    public void deleteCustomBackendByID(String backendUUID, String apiUUID, String type)
-            throws APIManagementException {
-        apiMgtDAO.deleteCustomBackend(apiUUID, backendUUID, type);
+    public void deleteCustomBackendByID(String apiUUID, String type) throws APIManagementException {
+        apiMgtDAO.deleteCustomBackend(apiUUID, type);
     }
 
     private void validateKeyManagers(API api) throws APIManagementException {
diff --git a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/ApiMgtDAO.java b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/ApiMgtDAO.java
index a4c304706031..35f024d73971 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/ApiMgtDAO.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/ApiMgtDAO.java
@@ -59,7 +59,7 @@
 import org.wso2.carbon.apimgt.api.model.BlockConditionsDTO;
 import org.wso2.carbon.apimgt.api.model.Comment;
 import org.wso2.carbon.apimgt.api.model.CommentList;
-import org.wso2.carbon.apimgt.api.model.CustomBackendData;
+import org.wso2.carbon.apimgt.api.model.SequenceBackendData;
 import org.wso2.carbon.apimgt.api.model.DeployedAPIRevision;
 import org.wso2.carbon.apimgt.api.model.Environment;
 import org.wso2.carbon.apimgt.api.model.GatewayPolicyData;
@@ -11194,27 +11194,49 @@ public Map<String, Object> retrieveCustomBackendOfAPIRevision(String apiUUID, St
         return map;
     }
 
-    public CustomBackendData getCustomBackendByAPIUUID(String apiUUID, String type) throws APIManagementException {
+    public SequenceBackendData getCustomBackendByAPIUUID(String apiUUID, String type) throws APIManagementException {
         String sqlQuery = SQLConstants.CustomBackendConstants.GET_API_SPECIFIC_CUSTOM_BACKEND_FROM_SEQUENCE_ID;
-        CustomBackendData customBackendData = null;
+        SequenceBackendData sequenceBackendData = null;
         try (Connection con = APIMgtDBUtil.getConnection(); PreparedStatement ps = con.prepareStatement(sqlQuery)) {
             ps.setString(1, apiUUID);
             ps.setString(2, type);
             try (ResultSet rs = ps.executeQuery()) {
                 while (rs.next()) {
-                    customBackendData = new CustomBackendData();
-                    customBackendData.setApiUUID(apiUUID);
-                    customBackendData.setRevisionUUID("0");
-                    customBackendData.setSequence(IOUtils.toString(rs.getBinaryStream("SEQUENCE")));
-                    customBackendData.setId(rs.getString("ID"));
-                    customBackendData.setName(rs.getString("NAME"));
-                    customBackendData.setType(type);
+                    sequenceBackendData = new SequenceBackendData();
+                    sequenceBackendData.setApiUUID(apiUUID);
+                    sequenceBackendData.setRevisionUUID("0");
+                    sequenceBackendData.setSequence(IOUtils.toString(rs.getBinaryStream("SEQUENCE")));
+                    sequenceBackendData.setId(rs.getString("ID"));
+                    sequenceBackendData.setName(rs.getString("NAME"));
+                    sequenceBackendData.setType(type);
                 }
             }
         } catch (SQLException | IOException ex) {
             handleException("Error when fetching Custom Backend data for API: " + apiUUID, ex);
         }
-        return customBackendData;
+        return sequenceBackendData;
+    }
+
+    public List<SequenceBackendData> getSequenceBackendsByAPIUUID(String apiUUID) throws APIManagementException {
+        String sqlQuery = SQLConstants.CustomBackendConstants.GET_ALL_API_SPECIFIC_CUSTOM_BACKENDS;
+        List<SequenceBackendData> backendDataList = new ArrayList<>();
+        try (Connection con = APIMgtDBUtil.getConnection(); PreparedStatement ps = con.prepareStatement(sqlQuery)) {
+            ps.setString(1, apiUUID);
+            try (ResultSet rs = ps.executeQuery()) {
+                while (rs.next()) {
+                    SequenceBackendData sqBackend = new SequenceBackendData();
+                    sqBackend.setApiUUID(apiUUID);
+                    sqBackend.setId(rs.getString("ID"));
+                    sqBackend.setName(rs.getString("NAME"));
+                    sqBackend.setType(rs.getString("TYPE"));
+                    backendDataList.add(sqBackend);
+                }
+            }
+            return backendDataList;
+        } catch (SQLException ex) {
+            handleException("Error when retrieving Sequence Backends of API: " + apiUUID, ex);
+        }
+        return null;
     }
 
     public String getCustomBackendSequenceOfAPIByUUID(String apiUUID, String type) throws APIManagementException {
@@ -20919,14 +20941,13 @@ public void updateCustomBackend(String apiUUID, String sequenceName, InputStream
         }
     }
 
-    public void deleteCustomBackend(String apiUUID, String type, String backendUUID) throws APIManagementException {
+    public void deleteCustomBackend(String apiUUID, String type) throws APIManagementException {
         String deleteCustomBackedQuery = SQLConstants.CustomBackendConstants.DELETE_CUSTOM_BACKEND;
         try (Connection connection = APIMgtDBUtil.getConnection();
                 PreparedStatement prepStmt = connection.prepareStatement(deleteCustomBackedQuery)) {
             connection.setAutoCommit(false);
             prepStmt.setString(1, apiUUID);
-            prepStmt.setString(2, backendUUID);
-            prepStmt.setString(3, type);
+            prepStmt.setString(2, type);
             prepStmt.executeUpdate();
             connection.commit();
         } catch (SQLException e) {
@@ -21210,7 +21231,7 @@ private void revisionCustomBackend(APIRevision apiRevision, Connection connectio
                 PreparedStatement addPstmt = connection.prepareStatement(addCBSqlQuery)) {
             connection.setAutoCommit(false);
             getPstmt.setString(1, apiRevision.getApiUUID());
-            List<CustomBackendData> customBackendDataList = new ArrayList<>();
+            List<SequenceBackendData> sequenceBackendDataList = new ArrayList<>();
             int count = 0;
 
             try (ResultSet rs = getPstmt.executeQuery()) {
diff --git a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/constants/SQLConstants.java b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/constants/SQLConstants.java
index 89bdad683ff9..f80bd85a028d 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/constants/SQLConstants.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/dao/constants/SQLConstants.java
@@ -4406,7 +4406,7 @@ public static class CustomBackendConstants {
                 "INSERT INTO AM_API_CUSTOM_BACKEND (ID,API_UUID,SEQUENCE,TYPE,REVISION_UUID,NAME) "
                         + "VALUES (?,?,?,?,?,?)";
         public static final String DELETE_WORKING_COPY_OF_CUSTOM_BACKEND = "DELETE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ? AND REVISION_UUID = '0'";
-        public static final String DELETE_CUSTOM_BACKEND = "DELETE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ? AND TYPE = ? AND ID = ? AND REVISION_UUID = '0'";
+        public static final String DELETE_CUSTOM_BACKEND = "DELETE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ? AND TYPE = ? AND REVISION_UUID = '0'";
         public static final String DELETE_CUSTOM_BACKEND_BY_API_AND_TYPE = "DELETE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ? AND TYPE = ? AND REVISION_UUID = '0'";
         public static final String DELETE_CUSTOM_BACKEND_BY_REVISION = "DELETE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ? AND REVISION_UUID = ?";
         public static final String DELETE_CUSTOM_BACKEND_BY_API = "DELETE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ?";
@@ -4414,12 +4414,7 @@ public static class CustomBackendConstants {
         public static final String GET_CUSTOM_BACKEND_OF_API_DEFAULT_REVISION = "SELECT ACB.NAME, ACB.TYPE FROM AM_API_CUSTOM_BACKEND WHERE API_UUID = ? AND REVISION_UUID = '0'";
         public static final String GET_REVISION_SPECIFIC_CUSTOM_BACKEND_FROM_SEQUENCE_ID = "SELECT ACB.ID, ACB.NAME, ACB.SEQUENCE, ACB.TYPE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.ID = ? AND ACB.REVISION_UUID = ? AND ACB.TYPE = ?";
         public static final String GET_API_SPECIFIC_CUSTOM_BACKEND_FROM_SEQUENCE_ID = "SELECT ACB.ID, ACB.NAME, ACB.SEQUENCE, ACB.TYPE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.API_UUID = ? AND ACB.REVISION_UUID = '0' AND ACB.TYPE = ?";
-        public static final String GET_CUSTOM_BACKEND_FROM_API_AND_REVISION_UUID = "SELECT ACB.ID, ACB.NAME, ACB.SEQUENCE, ACB.TYPE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.API_UUID = ? AND ACB.REVISION_UUID = ? AND ACB.TYPE = ?";
         public static final String GET_ALL_API_SPECIFIC_CUSTOM_BACKENDS = "SELECT ACB.ID, ACB.NAME, ACB.SEQUENCE, ACB.TYPE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.API_UUID = ? AND ACB.REVISION_UUID = '0'";
-        public static final String GET_REVISION_SPECIFIC_CUSTOM_BACKEND_META_DATA_FROM_SEQUENCE_ID = "SELECT ACB.ID, ACB.NAME, ACB.TYPE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.ID = ? AND ACB.REVISION_UUID = ?";
-        public static final String GET_API_SPECIFIC_CUSTOM_BACKEND_META_DATA_FROM_SEQUENCE_ID = "SELECT ACB.ID, ACB.NAME, ACB.TYPE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.ID = ? AND API_UUID = ?";
-        public static final String GET_API_SPECIFIC_CUSTOM_BACKEND_SEQUENCE_FROM_SEQUENCE_ID = "SELECT ACB.SEQUENCE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.ID = ? AND API_UUID = ?";
-        public static final String GET_REVISION_SPECIFIC_CUSTOM_BACKEND_SEQUENCE_FROM_SEQUENCE_ID = "SELECT ACB.SEQUENCE FROM AM_API_CUSTOM_BACKEND ACB WHERE ACB.ID = ? AND ACB.REVISION_UUID = ?";
     }
 
 }
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.common/src/main/resources/publisher-api.yaml b/components/apimgt/org.wso2.carbon.apimgt.rest.api.common/src/main/resources/publisher-api.yaml
index 425dfb6eff11..43d1ad0dbf4b 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.common/src/main/resources/publisher-api.yaml
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.common/src/main/resources/publisher-api.yaml
@@ -582,8 +582,8 @@ paths:
     get:
       tags:
         - APIs
-      summary: Get Custom Backends of the API
-      description: This operation can be used to get Custom Backend data of the API
+      summary: Get Sequence Backends of the API
+      description: This operation can be used to get Sequence Backend data of the API
       operationId: getSequenceBackendData
       parameters:
         - $ref: '#/components/parameters/apiId'
@@ -591,7 +591,7 @@ paths:
         200:
           description: |
             OK.
-            Requested API Custom Backend is returned
+            Requested API Sequence Backend is returned
           headers:
             Content-Type:
               description: |
@@ -655,7 +655,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/SequenceBackend'
+                $ref: '#/components/schemas/API'
         400:
           $ref: '#/components/responses/BadRequest'
         403:
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/APIMappingUtil.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/APIMappingUtil.java
index ea653cfe901f..c5aa85b00d2b 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/APIMappingUtil.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/APIMappingUtil.java
@@ -53,6 +53,7 @@
 import org.wso2.carbon.apimgt.api.model.OperationPolicy;
 import org.wso2.carbon.apimgt.api.model.ResourcePath;
 import org.wso2.carbon.apimgt.api.model.Scope;
+import org.wso2.carbon.apimgt.api.model.SequenceBackendData;
 import org.wso2.carbon.apimgt.api.model.ServiceEntry;
 import org.wso2.carbon.apimgt.api.model.Tier;
 import org.wso2.carbon.apimgt.api.model.URITemplate;
@@ -114,6 +115,8 @@
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePolicyInfoDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePolicyListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ScopeDTO;
+import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.SequenceBackendDTO;
+import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.SequenceBackendListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WSDLInfoDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WSDLValidationResponseDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WSDLValidationResponseWsdlInfoDTO;
@@ -503,6 +506,22 @@ public static MockResponsePayloadInfoDTO fromMockPayloadToDTO(APIResourceMediati
         return mockResponsePayloadInfoDTO;
     }
 
+    public static SequenceBackendListDTO fromSequenceDataToDTO(List<SequenceBackendData> list) {
+        SequenceBackendListDTO res = new SequenceBackendListDTO();
+        res.setCount(list.size());
+        List<SequenceBackendDTO> backends = new ArrayList<>();
+
+        for (SequenceBackendData backend : list) {
+            SequenceBackendDTO dto = new SequenceBackendDTO();
+            dto.sequenceId(backend.getId());
+            dto.setSequenceName(backend.getName());
+            dto.setSequenceType(backend.getType());
+            backends.add(dto);
+        }
+        res.setList(backends);
+        return res;
+    }
+
     /**
      * This method creates the API monetization information DTO.
      *
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ExportUtils.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ExportUtils.java
index 3dcceebe0974..6c870190c540 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ExportUtils.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ExportUtils.java
@@ -46,7 +46,7 @@
 import org.wso2.carbon.apimgt.api.model.APIProductIdentifier;
 import org.wso2.carbon.apimgt.api.model.APIRevision;
 import org.wso2.carbon.apimgt.api.model.APIRevisionDeployment;
-import org.wso2.carbon.apimgt.api.model.CustomBackendData;
+import org.wso2.carbon.apimgt.api.model.SequenceBackendData;
 import org.wso2.carbon.apimgt.api.model.Documentation;
 import org.wso2.carbon.apimgt.api.model.DocumentationContent;
 import org.wso2.carbon.apimgt.api.model.Identifier;
@@ -218,11 +218,10 @@ public static File exportApi(APIProvider apiProvider, APIIdentifier apiIdentifie
         addOperationPoliciesToArchive(archivePath, tenantDomain, exportFormat, apiProvider,
                 api, currentApiUuid);
 
-        // TODO: Add Custom Backend to the Archive
         JsonObject endpointConfig = JsonParser.parseString(api.getEndpointConfig()).getAsJsonObject();
         if (APIConstants.ENDPOINT_TYPE_SEQUENCE.equals(
                 endpointConfig.get(API_ENDPOINT_CONFIG_PROTOCOL_TYPE).getAsString())) {
-            addCustomBackendToArchive(archivePath, apiProvider, currentApiUuid, endpointConfig);
+            addCustomBackendToArchive(archivePath, apiProvider, currentApiUuid);
         }
 
         addGatewayEnvironmentsToArchive(archivePath, apiDtoToReturn.getId(), exportFormat, apiProvider);
@@ -637,20 +636,21 @@ public static void addEndpointCertificatesToArchive(String archivePath, APIDTO a
         }
     }
 
-    public static void addCustomBackendToArchive(String archivePath, APIProvider apiProvider, String apiUUID,
-            JsonObject endpointConfig) throws APIManagementException {
+    public static void addCustomBackendToArchive(String archivePath, APIProvider apiProvider, String apiUUID)
+            throws APIManagementException {
         try {
             CommonUtil.createDirectory(archivePath + File.separator + ImportExportConstants.CUSTOM_BACKEND_DIRECTORY);
 
             // Add production Backend Sequences
-            CustomBackendData data = apiProvider.getCustomBackendByAPIUUID(apiUUID, APIConstants.API_KEY_TYPE_PRODUCTION);
-            if(data != null) {
+            SequenceBackendData data = apiProvider.getCustomBackendByAPIUUID(apiUUID,
+                    APIConstants.API_KEY_TYPE_PRODUCTION);
+            if (data != null) {
                 exportCustomBackend(data.getName(), data.getSequence(), archivePath);
             }
 
             // Add sandbox Backend Sequences
             data = apiProvider.getCustomBackendByAPIUUID(apiUUID, APIConstants.API_KEY_TYPE_SANDBOX);
-            if(data != null) {
+            if (data != null) {
                 exportCustomBackend(data.getName(), data.getSequence(), archivePath);
             }
 
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ImportUtils.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ImportUtils.java
index da933e6779f4..f9bd2111af74 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ImportUtils.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/ImportUtils.java
@@ -18,7 +18,6 @@
 
 package org.wso2.carbon.apimgt.rest.api.publisher.v1.common.mappings;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
@@ -696,7 +695,8 @@ public static void updateAPIWithCustomBackend(API api, String extractedFolderPat
                 String seqName = APIUtil.getCustomBackendName(api.getUuid(), APIConstants.API_KEY_TYPE_PRODUCTION);
                 String seqId = UUID.randomUUID().toString();
                 InputStream seq = APIUtil.getCustomBackendSequence(customBackendDir, seqFile, ".xml");
-                apiProvider.updateCustomBackend(api.getUuid(), APIConstants.API_KEY_TYPE_PRODUCTION, seq, seqName, seqId);
+                apiProvider.updateCustomBackend(api.getUuid(), APIConstants.API_KEY_TYPE_PRODUCTION, seq, seqName,
+                        seqId);
             }
         }
     }
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java
index d273ff6a0286..a0702427f5d4 100755
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1.common/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/common/mappings/PublisherCommonUtils.java
@@ -196,7 +196,6 @@ public static API updateApi(API originalAPI, APIDTO apiDtoToUpdate, APIProvider
      * @param endpointType  Endpoint Type of the Custom Backend (SANDBOX, PRODUCTION)
      * @param customBackend Custom Backend
      * @param contentDecomp Header Content of the Request
-     * @return Custom Backend File Name
      * @throws APIManagementException If an error occurs while updating the API and API definition
      */
     public static void updateCustomBackend(API api, APIProvider apiProvider, String endpointType,
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApi.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApi.java
index de78a60c201f..b7e7ba99c886 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApi.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApi.java
@@ -40,18 +40,21 @@
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePathListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePolicyInfoDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePolicyListDTO;
-import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.SequenceBackendDTO;
+import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.SequenceBackendListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ThrottlingPolicyDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.TopicListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WSDLInfoDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WSDLValidationResponseDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WorkflowResponseDTO;
+import org.wso2.carbon.apimgt.rest.api.publisher.v1.ApisApiService;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.impl.ApisApiServiceImpl;
 import org.wso2.carbon.apimgt.api.APIManagementException;
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
+import javax.ws.rs.core.SecurityContext;
+import javax.inject.Inject;
 
 import io.swagger.annotations.*;
 import java.io.InputStream;
@@ -60,6 +63,8 @@
 import org.apache.cxf.jaxrs.ext.multipart.Attachment;
 import org.apache.cxf.jaxrs.ext.multipart.Multipart;
 
+import java.util.Map;
+import java.util.List;
 import javax.validation.constraints.*;
 @Path("/apis")
 
@@ -373,49 +378,6 @@ public Response createNewAPIVersion( @NotNull @Size(max=30) @ApiParam(value = "V
         return delegate.createNewAPIVersion(newVersion, apiId, defaultVersion, serviceVersion, securityContext);
     }
 
-    @DELETE
-    @Path("/{apiId}/custom-backend/{customBackendId}")
-    
-    @Produces({ "application/json" })
-    @ApiOperation(value = "Delete Custom Backend of the API", notes = "This operation can be used to remove the Custom Backend of the API", response = Void.class, authorizations = {
-        @Authorization(value = "OAuth2Security", scopes = {
-            @AuthorizationScope(scope = "apim:api_delete", description = "Delete API"),
-            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
-            @AuthorizationScope(scope = "apim:api_import_export", description = "Import and export APIs related operations")
-        })
-    }, tags={ "APIs",  })
-    @ApiResponses(value = { 
-        @ApiResponse(code = 200, message = "OK. Resource successfully deleted. ", response = Void.class),
-        @ApiResponse(code = 403, message = "Forbidden. The request must be conditional but no condition has been specified.", response = ErrorDTO.class),
-        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
-        @ApiResponse(code = 409, message = "Conflict. Specified resource already exists.", response = ErrorDTO.class),
-        @ApiResponse(code = 412, message = "Precondition Failed. The request has not been performed because one of the preconditions is not met.", response = ErrorDTO.class) })
-    public Response customBackendDelete( @NotNull @Size(max=15) @ApiParam(value = "Type of the Endpoint. SANDBOX or PRODUCTION ",required=true)  @QueryParam("type") String type, @ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId, @ApiParam(value = "Custom Backend ID ",required=true) @PathParam("customBackendId") String customBackendId) throws APIManagementException{
-        return delegate.customBackendDelete(type, apiId, customBackendId, securityContext);
-    }
-
-    @PUT
-    @Path("/{apiId}/custom-backend")
-    @Consumes({ "multipart/form-data" })
-    @Produces({ "application/json" })
-    @ApiOperation(value = "Upload Custom Sequence as the Endpoint of the API", notes = "This operation can be used to change the endpoint of the API to Custom Sequence", response = APIDTO.class, authorizations = {
-        @Authorization(value = "OAuth2Security", scopes = {
-            @AuthorizationScope(scope = "apim:api_create", description = "Create API"),
-            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
-            @AuthorizationScope(scope = "apim:api_publish", description = "Publish API")
-        })
-    }, tags={ "APIs",  })
-    @ApiResponses(value = { 
-        @ApiResponse(code = 200, message = "OK. Successful response with updated API object ", response = APIDTO.class),
-        @ApiResponse(code = 400, message = "Bad Request. Invalid request or validation error.", response = ErrorDTO.class),
-        @ApiResponse(code = 403, message = "Forbidden. The request must be conditional but no condition has been specified.", response = ErrorDTO.class),
-        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
-        @ApiResponse(code = 409, message = "Conflict. Specified resource already exists.", response = ErrorDTO.class),
-        @ApiResponse(code = 412, message = "Precondition Failed. The request has not been performed because one of the preconditions is not met.", response = ErrorDTO.class) })
-    public Response customBackendUpdate(@ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId,  @Multipart(value = "sequence", required = false) InputStream sequenceInputStream, @Multipart(value = "sequence" , required = false) Attachment sequenceDetail, @Multipart(value = "type", required = false)  String type) throws APIManagementException{
-        return delegate.customBackendUpdate(apiId, sequenceInputStream, sequenceDetail, type, securityContext);
-    }
-
     @DELETE
     @Path("/{apiId}")
     
@@ -1327,48 +1289,6 @@ public Response getAuditReportOfAPI(@ApiParam(value = "**API ID** consisting of
         return delegate.getCommentOfAPI(commentId, apiId, xWSO2Tenant, ifNoneMatch, includeCommenterInfo, replyLimit, replyOffset, securityContext);
     }
 
-    @GET
-    @Path("/{apiId}/custom-backend/{customBackendId}")
-    
-    @Produces({ "application/json" })
-    @ApiOperation(value = "Get Custom Backend of the API", notes = "This operation can be used to get Custom Backend data of the API", response = SequenceBackendDTO.class, authorizations = {
-        @Authorization(value = "OAuth2Security", scopes = {
-            @AuthorizationScope(scope = "apim:api_view", description = "View API"),
-            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
-            @AuthorizationScope(scope = "apim:api_import_export", description = "Import and export APIs related operations"),
-            @AuthorizationScope(scope = "apim:api_product_import_export", description = "Import and export API Products related operations")
-        })
-    }, tags={ "APIs",  })
-    @ApiResponses(value = { 
-        @ApiResponse(code = 200, message = "OK. Requested API Custom Backend is returned ", response = SequenceBackendDTO.class),
-        @ApiResponse(code = 304, message = "Not Modified. Empty body because the client has already the latest version of the requested resource (Will be supported in future). ", response = Void.class),
-        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
-        @ApiResponse(code = 406, message = "Not Acceptable. The requested media type is not supported.", response = ErrorDTO.class) })
-    public Response getCustomBackendData( @NotNull @Size(max=15) @ApiParam(value = "Type of the Endpoint. SANDBOX or PRODUCTION ",required=true)  @QueryParam("type") String type, @ApiParam(value = "Custom Backend ID ",required=true) @PathParam("customBackendId") String customBackendId, @ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId) throws APIManagementException{
-        return delegate.getCustomBackendData(type, customBackendId, apiId, securityContext);
-    }
-
-    @GET
-    @Path("/{apiId}/custom-backend/{customBackendId}/content")
-    
-    @Produces({ "application/zip", "application/json" })
-    @ApiOperation(value = "Get Sequence of Custom Backend", notes = "This operation can be used to get Sequence of the Custom Backend", response = File.class, authorizations = {
-        @Authorization(value = "OAuth2Security", scopes = {
-            @AuthorizationScope(scope = "apim:api_view", description = "View API"),
-            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
-            @AuthorizationScope(scope = "apim:api_import_export", description = "Import and export APIs related operations"),
-            @AuthorizationScope(scope = "apim:api_product_import_export", description = "Import and export API Products related operations")
-        })
-    }, tags={ "APIs",  })
-    @ApiResponses(value = { 
-        @ApiResponse(code = 200, message = "OK. Requested API Custom Backend is returned ", response = File.class),
-        @ApiResponse(code = 304, message = "Not Modified. Empty body because the client has already the latest version of the requested resource (Will be supported in future). ", response = Void.class),
-        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
-        @ApiResponse(code = 406, message = "Not Acceptable. The requested media type is not supported.", response = ErrorDTO.class) })
-    public Response getCustomBackendDataContent( @NotNull @Size(max=15) @ApiParam(value = "Type of the Endpoint. SANDBOX or PRODUCTION ",required=true)  @QueryParam("type") String type, @ApiParam(value = "Custom Backend ID ",required=true) @PathParam("customBackendId") String customBackendId, @ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId) throws APIManagementException{
-        return delegate.getCustomBackendDataContent(type, customBackendId, apiId, securityContext);
-    }
-
     @GET
     @Path("/{apiId}/generated-mock-scripts")
     
@@ -1469,6 +1389,46 @@ public Response getOperationPolicyForAPIByPolicyId(@ApiParam(value = "**API ID**
         return delegate.getRepliesOfComment(commentId, apiId, xWSO2Tenant, limit, offset, ifNoneMatch, includeCommenterInfo, securityContext);
     }
 
+    @GET
+    @Path("/{apiId}/sequence-backend/{type}/content")
+    
+    @Produces({ "application/xml", "application/json" })
+    @ApiOperation(value = "Get Sequence of Custom Backend", notes = "This operation can be used to get Sequence of the Custom Backend", response = File.class, authorizations = {
+        @Authorization(value = "OAuth2Security", scopes = {
+            @AuthorizationScope(scope = "apim:api_view", description = "View API"),
+            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
+            @AuthorizationScope(scope = "apim:api_import_export", description = "Import and export APIs related operations"),
+            @AuthorizationScope(scope = "apim:api_product_import_export", description = "Import and export API Products related operations")
+        })
+    }, tags={ "APIs",  })
+    @ApiResponses(value = { 
+        @ApiResponse(code = 200, message = "OK. Requested API Custom Backend is returned ", response = File.class),
+        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
+        @ApiResponse(code = 406, message = "Not Acceptable. The requested media type is not supported.", response = ErrorDTO.class) })
+    public Response getSequenceBackendContent( @NotNull @Size(max=15) @ApiParam(value = "Type of the Endpoint. SANDBOX or PRODUCTION ",required=true)  @QueryParam("type") String type, @ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId) throws APIManagementException{
+        return delegate.getSequenceBackendContent(type, apiId, securityContext);
+    }
+
+    @GET
+    @Path("/{apiId}/sequence-backend")
+    
+    @Produces({ "application/json" })
+    @ApiOperation(value = "Get Sequence Backends of the API", notes = "This operation can be used to get Sequence Backend data of the API", response = SequenceBackendListDTO.class, authorizations = {
+        @Authorization(value = "OAuth2Security", scopes = {
+            @AuthorizationScope(scope = "apim:api_view", description = "View API"),
+            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
+            @AuthorizationScope(scope = "apim:api_import_export", description = "Import and export APIs related operations"),
+            @AuthorizationScope(scope = "apim:api_product_import_export", description = "Import and export API Products related operations")
+        })
+    }, tags={ "APIs",  })
+    @ApiResponses(value = { 
+        @ApiResponse(code = 200, message = "OK. Requested API Sequence Backend is returned ", response = SequenceBackendListDTO.class),
+        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
+        @ApiResponse(code = 406, message = "Not Acceptable. The requested media type is not supported.", response = ErrorDTO.class) })
+    public Response getSequenceBackendData(@ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId) throws APIManagementException{
+        return delegate.getSequenceBackendData(apiId, securityContext);
+    }
+
     @GET
     @Path("/{apiId}/wsdl-info")
     
@@ -1670,6 +1630,49 @@ public Response restoreAPIRevision(@ApiParam(value = "**API ID** consisting of t
         return delegate.restoreAPIRevision(apiId, revisionId, securityContext);
     }
 
+    @DELETE
+    @Path("/{apiId}/sequence-backend/{type}")
+    
+    @Produces({ "application/json" })
+    @ApiOperation(value = "Delete Sequence Backend of the API", notes = "This operation can be used to remove the Sequence Backend of the API", response = Void.class, authorizations = {
+        @Authorization(value = "OAuth2Security", scopes = {
+            @AuthorizationScope(scope = "apim:api_delete", description = "Delete API"),
+            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
+            @AuthorizationScope(scope = "apim:api_import_export", description = "Import and export APIs related operations")
+        })
+    }, tags={ "APIs",  })
+    @ApiResponses(value = { 
+        @ApiResponse(code = 200, message = "OK. Resource successfully deleted. ", response = Void.class),
+        @ApiResponse(code = 403, message = "Forbidden. The request must be conditional but no condition has been specified.", response = ErrorDTO.class),
+        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
+        @ApiResponse(code = 409, message = "Conflict. Specified resource already exists.", response = ErrorDTO.class),
+        @ApiResponse(code = 412, message = "Precondition Failed. The request has not been performed because one of the preconditions is not met.", response = ErrorDTO.class) })
+    public Response sequenceBackendDelete( @Size(max=15)@ApiParam(value = "Type of the Endpoint. SANDBOX or PRODUCTION ",required=true) @PathParam("type") String type, @ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId) throws APIManagementException{
+        return delegate.sequenceBackendDelete(type, apiId, securityContext);
+    }
+
+    @PUT
+    @Path("/{apiId}/sequence-backend")
+    @Consumes({ "multipart/form-data" })
+    @Produces({ "application/json" })
+    @ApiOperation(value = "Upload Sequence Sequence as the Endpoint of the API", notes = "This operation can be used to change the endpoint of the API to Sequence Backend", response = APIDTO.class, authorizations = {
+        @Authorization(value = "OAuth2Security", scopes = {
+            @AuthorizationScope(scope = "apim:api_create", description = "Create API"),
+            @AuthorizationScope(scope = "apim:api_manage", description = "Manage all API related operations"),
+            @AuthorizationScope(scope = "apim:api_publish", description = "Publish API")
+        })
+    }, tags={ "APIs",  })
+    @ApiResponses(value = { 
+        @ApiResponse(code = 200, message = "OK. Successful response with updated API object ", response = APIDTO.class),
+        @ApiResponse(code = 400, message = "Bad Request. Invalid request or validation error.", response = ErrorDTO.class),
+        @ApiResponse(code = 403, message = "Forbidden. The request must be conditional but no condition has been specified.", response = ErrorDTO.class),
+        @ApiResponse(code = 404, message = "Not Found. The specified resource does not exist.", response = ErrorDTO.class),
+        @ApiResponse(code = 409, message = "Conflict. Specified resource already exists.", response = ErrorDTO.class),
+        @ApiResponse(code = 412, message = "Precondition Failed. The request has not been performed because one of the preconditions is not met.", response = ErrorDTO.class) })
+    public Response sequenceBackendUpdate(@ApiParam(value = "**API ID** consisting of the **UUID** of the API. ",required=true) @PathParam("apiId") String apiId,  @Multipart(value = "sequence", required = false) InputStream sequenceInputStream, @Multipart(value = "sequence" , required = false) Attachment sequenceDetail, @Multipart(value = "type", required = false)  String type) throws APIManagementException{
+        return delegate.sequenceBackendUpdate(apiId, sequenceInputStream, sequenceDetail, type, securityContext);
+    }
+
     @POST
     @Path("/{apiId}/undeploy-revision")
     @Consumes({ "application/json" })
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApiService.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApiService.java
index 3689bd7900cf..43ae632361ce 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApiService.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/gen/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/ApisApiService.java
@@ -27,7 +27,6 @@
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ClientCertificatesDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.CommentDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.CommentListDTO;
-import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.CustomBackendDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.DocumentDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.DocumentListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ErrorDTO;
@@ -50,6 +49,7 @@
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePathListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePolicyInfoDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ResourcePolicyListDTO;
+import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.SequenceBackendListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.ThrottlingPolicyDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.TopicListDTO;
 import org.wso2.carbon.apimgt.rest.api.publisher.v1.dto.WSDLInfoDTO;
@@ -80,8 +80,6 @@ public interface ApisApiService {
       public Response createAPI(APIDTO APIDTO, String openAPIVersion, MessageContext messageContext) throws APIManagementException;
       public Response createAPIRevision(String apiId, APIRevisionDTO apIRevisionDTO, MessageContext messageContext) throws APIManagementException;
       public Response createNewAPIVersion(String newVersion, String apiId, Boolean defaultVersion, String serviceVersion, MessageContext messageContext) throws APIManagementException;
-      public Response customBackendDelete(String type, String apiId, String customBackendId, MessageContext messageContext) throws APIManagementException;
-      public Response customBackendUpdate(String apiId, InputStream sequenceInputStream, Attachment sequenceDetail, String type, MessageContext messageContext) throws APIManagementException;
       public Response deleteAPI(String apiId, String ifMatch, MessageContext messageContext) throws APIManagementException;
       public Response deleteAPIClientCertificateByAlias(String alias, String apiId, MessageContext messageContext) throws APIManagementException;
       public Response deleteAPIClientCertificateByKeyTypeAndAlias(String keyType, String alias, String apiId, MessageContext messageContext) throws APIManagementException;
@@ -128,13 +126,13 @@ public interface ApisApiService {
       public Response getAmazonResourceNamesOfAPI(String apiId, MessageContext messageContext) throws APIManagementException;
       public Response getAuditReportOfAPI(String apiId, String accept, MessageContext messageContext) throws APIManagementException;
       public Response getCommentOfAPI(String commentId, String apiId, String xWSO2Tenant, String ifNoneMatch, Boolean includeCommenterInfo, Integer replyLimit, Integer replyOffset, MessageContext messageContext) throws APIManagementException;
-      public Response getCustomBackendData(String type, String customBackendId, String apiId, MessageContext messageContext) throws APIManagementException;
-      public Response getCustomBackendDataContent(String type, String customBackendId, String apiId, MessageContext messageContext) throws APIManagementException;
       public Response getGeneratedMockScriptsOfAPI(String apiId, String ifNoneMatch, MessageContext messageContext) throws APIManagementException;
       public Response getGraphQLPolicyComplexityOfAPI(String apiId, MessageContext messageContext) throws APIManagementException;
       public Response getGraphQLPolicyComplexityTypesOfAPI(String apiId, MessageContext messageContext) throws APIManagementException;
       public Response getOperationPolicyForAPIByPolicyId(String apiId, String operationPolicyId, MessageContext messageContext) throws APIManagementException;
       public Response getRepliesOfComment(String commentId, String apiId, String xWSO2Tenant, Integer limit, Integer offset, String ifNoneMatch, Boolean includeCommenterInfo, MessageContext messageContext) throws APIManagementException;
+      public Response getSequenceBackendContent(String type, String apiId, MessageContext messageContext) throws APIManagementException;
+      public Response getSequenceBackendData(String apiId, MessageContext messageContext) throws APIManagementException;
       public Response getWSDLInfoOfAPI(String apiId, MessageContext messageContext) throws APIManagementException;
       public Response getWSDLOfAPI(String apiId, String ifNoneMatch, MessageContext messageContext) throws APIManagementException;
       public Response importAPI(InputStream fileInputStream, Attachment fileDetail, Boolean preserveProvider, Boolean rotateRevision, Boolean overwrite, Boolean preservePortalConfigurations, String accept, MessageContext messageContext) throws APIManagementException;
@@ -146,6 +144,8 @@ public interface ApisApiService {
       public Response publishAPIToExternalStores(String apiId, String externalStoreIds, String ifMatch, MessageContext messageContext) throws APIManagementException;
       public Response reimportServiceFromCatalog(String apiId, MessageContext messageContext) throws APIManagementException;
       public Response restoreAPIRevision(String apiId, String revisionId, MessageContext messageContext) throws APIManagementException;
+      public Response sequenceBackendDelete(String type, String apiId, MessageContext messageContext) throws APIManagementException;
+      public Response sequenceBackendUpdate(String apiId, InputStream sequenceInputStream, Attachment sequenceDetail, String type, MessageContext messageContext) throws APIManagementException;
       public Response undeployAPIRevision(String apiId, String revisionId, String revisionNumber, Boolean allEnvironments, List<APIRevisionDeploymentDTO> apIRevisionDeploymentDTO, MessageContext messageContext) throws APIManagementException;
       public Response updateAPI(String apiId, APIDTO APIDTO, String ifMatch, MessageContext messageContext) throws APIManagementException;
       public Response updateAPIClientCertificateByAlias(String alias, String apiId, InputStream certificateInputStream, Attachment certificateDetail, String tier, MessageContext messageContext) throws APIManagementException;
diff --git a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/impl/ApisApiServiceImpl.java b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/impl/ApisApiServiceImpl.java
index c7f968c11529..d6216a641003 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/impl/ApisApiServiceImpl.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.rest.api.publisher.v1/src/main/java/org/wso2/carbon/apimgt/rest/api/publisher/v1/impl/ApisApiServiceImpl.java
@@ -164,35 +164,31 @@ public Response getAllAPIs(Integer limit, Integer offset, String sortBy, String
     }
 
     @Override
-    public Response getCustomBackendData(String type, String customBackendId, String apiId,
-            MessageContext messageContext) throws APIManagementException {
+    public Response getSequenceBackendData(String apiId, MessageContext messageContext) throws APIManagementException {
         APIProvider apiProvider = RestApiCommonUtil.getLoggedInUserProvider();
 
         //validate if api exists
         CommonUtils.validateAPIExistence(apiId);
-        CustomBackendData data = apiProvider.getCustomBackendByAPIUUID(apiId, type);
+        List<SequenceBackendData> data = apiProvider.getAllSequenceBackendsByAPIUUID(apiId);
         if (data == null) {
             throw new APIMgtResourceNotFoundException(
-                    "Couldn't retrieve an existing Custom Backend with ID: " + customBackendId + " for API " + apiId,
-                    ExceptionCodes.from(ExceptionCodes.CUSTOM_BACKEND_NOT_FOUND, customBackendId));
+                    "Couldn't retrieve an existing Sequence Backend for API " + apiId,
+                    ExceptionCodes.from(ExceptionCodes.CUSTOM_BACKEND_NOT_FOUND, apiId));
         }
-        SequenceBackendDTO backendDTO = new SequenceBackendDTO();
-        backendDTO.setSequenceName(data.getName());
-        backendDTO.setSequenceId(data.getId());
-        return Response.ok().entity(backendDTO).build();
+        SequenceBackendListDTO respObj = APIMappingUtil.fromSequenceDataToDTO(data);
+        return Response.ok().entity(respObj).build();
     }
 
     @Override
-    public Response getCustomBackendDataContent(String type, String customBackendId, String apiId,
-            MessageContext messageContext) throws APIManagementException {
+    public Response getSequenceBackendContent(String type, String apiId, MessageContext messageContext) throws APIManagementException {
         APIProvider apiProvider = RestApiCommonUtil.getLoggedInUserProvider();
         CommonUtils.validateAPIExistence(apiId);
 
-        CustomBackendData data = apiProvider.getCustomBackendByAPIUUID(apiId, type);
+        SequenceBackendData data = apiProvider.getCustomBackendByAPIUUID(apiId, type);
         if (data == null) {
             throw new APIMgtResourceNotFoundException(
-                    "Couldn't retrieve an existing Custom Backend with ID: " + customBackendId + " for API " + apiId,
-                    ExceptionCodes.from(ExceptionCodes.CUSTOM_BACKEND_NOT_FOUND, customBackendId));
+                    "Couldn't retrieve an existing Sequence Backend for API: " + apiId,
+                    ExceptionCodes.from(ExceptionCodes.CUSTOM_BACKEND_NOT_FOUND, apiId));
         }
         File file = RestApiPublisherUtils.exportCustomBackendData(data.getSequence(), data.getName());
         return Response.ok(file)
@@ -201,12 +197,11 @@ public Response getCustomBackendDataContent(String type, String customBackendId,
     }
 
     @Override
-    public Response customBackendDelete(String type, String apiId, String customBackendId,
-            MessageContext messageContext) throws APIManagementException {
+    public Response sequenceBackendDelete(String type, String apiId, MessageContext messageContext) throws APIManagementException {
         APIProvider apiProvider = RestApiCommonUtil.getLoggedInUserProvider();
         //validate if api exists
         CommonUtils.validateAPIExistence(apiId);
-        apiProvider.deleteCustomBackendByID(apiId, customBackendId, type);
+        apiProvider.deleteCustomBackendByID(apiId, type);
         return Response.ok().build();
     }
 
@@ -246,7 +241,7 @@ public Response getAPI(String apiId, String xWSO2Tenant, String ifNoneMatch,
     }
 
     @Override
-    public Response customBackendUpdate(String apiId, InputStream sequenceInputStream,
+    public Response sequenceBackendUpdate(String apiId, InputStream sequenceInputStream,
             Attachment sequenceDetail, String type, MessageContext messageContext) throws APIManagementException {
         String username = RestApiCommonUtil.getLoggedInUsername();
         APIProvider apiProvider = RestApiCommonUtil.getProvider(username);