diff --git a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/EventSubscriptionService.java b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/EventSubscriptionService.java
index 07b03de..4c6d50a 100644
--- a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/EventSubscriptionService.java
+++ b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/EventSubscriptionService.java
@@ -14,16 +14,16 @@
  */
 package org.onosproject.kafkaintegration.api;
 
+import java.util.List;
+
 import org.onosproject.kafkaintegration.api.dto.EventSubscriber;
-import org.onosproject.kafkaintegration.api.dto.EventSubscriberGroupId;
 import org.onosproject.kafkaintegration.api.dto.OnosEvent.Type;
+import org.onosproject.kafkaintegration.api.dto.RegistrationResponse;
 import org.onosproject.kafkaintegration.errors.InvalidApplicationException;
 import org.onosproject.kafkaintegration.errors.InvalidGroupIdException;
 
 import com.google.common.annotations.Beta;
 
-import java.util.List;
-
 /**
  * APIs for subscribing to Onos Event Messages.
  */
@@ -34,9 +34,9 @@
      * Registers the external application to receive events generated in ONOS.
      *
      * @param appName Application Name
-     * @return unique consumer group identifier
+     * @return Registration Response DTO.
      */
-    EventSubscriberGroupId registerListener(String appName);
+    RegistrationResponse registerListener(String appName);
 
     /**
      * Removes the Registered Listener.
diff --git a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/KafkaConfigService.java b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/KafkaConfigService.java
new file mode 100644
index 0000000..f0d0f6c
--- /dev/null
+++ b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/KafkaConfigService.java
@@ -0,0 +1,30 @@
+/**
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.kafkaintegration.api;
+
+import org.onosproject.kafkaintegration.api.dto.KafkaServerConfig;
+
+public interface KafkaConfigService {
+
+    /**
+     * Returns the Kafka Server Configuration Information.
+     *
+     * @return KafkaServerConfig DTO Object.
+     */
+    KafkaServerConfig getConfigParams();
+
+}
+
diff --git a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/KafkaProducerService.java b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/KafkaProducerService.java
new file mode 100644
index 0000000..d29cd47
--- /dev/null
+++ b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/KafkaProducerService.java
@@ -0,0 +1,56 @@
+/**
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.kafkaintegration.api;
+
+import java.util.concurrent.Future;
+
+import org.onosproject.kafkaintegration.api.dto.KafkaServerConfig;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.apache.kafka.clients.producer.RecordMetadata;
+/**
+ * APIs for controlling the Kafka Producer.
+ *
+ */
+public interface KafkaProducerService {
+
+    /**
+     * Starts the Kafka Producer.
+     *
+     * @param config the Kafka Server Config
+     */
+    void start(KafkaServerConfig config);
+
+    /**
+     * Stops the Kafka Producer.
+     *
+     */
+    void stop();
+
+    /**
+     * Restarts the Kafka Producer.
+     *
+     * @param config the Kafka Server Config
+     */
+    void restart(KafkaServerConfig config);
+
+    /**
+     * Sends message to Kafka Server.
+     *
+     * @param record a message to be sent
+     * @return metadata for a record that as been acknowledged
+     */
+    public Future<RecordMetadata> send(ProducerRecord<String, byte[]> record);
+}
diff --git a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/DefaultEventSubscriber.java b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/DefaultEventSubscriber.java
index bf1fbf8..04f4e0b 100644
--- a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/DefaultEventSubscriber.java
+++ b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/DefaultEventSubscriber.java
@@ -84,6 +84,7 @@
                 .addValue(subscriberGroupId.toString())
                 .add("eventType", eventType).toString();
     }
+
     /**
      * To create an instance of the builder.
      *
@@ -92,6 +93,7 @@
     public static Builder builder() {
         return new Builder();
     }
+
     /**
      * Builder class for Event subscriber.
      */
@@ -107,8 +109,7 @@
         }
 
         @Override
-        public Builder setSubscriberGroupId(EventSubscriberGroupId
-                                                            subscriberGroupId) {
+        public Builder setSubscriberGroupId(EventSubscriberGroupId subscriberGroupId) {
             this.subscriberGroupId = subscriberGroupId;
             return this;
         }
@@ -122,13 +123,11 @@
         @Override
         public EventSubscriber build() {
             checkNotNull(appName, "App name cannot be null");
-            checkNotNull(subscriberGroupId, "Subscriber group ID cannot " +
-                    "be " +
-                    "null");
+            checkNotNull(subscriberGroupId,
+                         "Subscriber group ID cannot " + "be " + "null");
             checkNotNull(eventType, "Event type cannot be null");
 
-            return new DefaultEventSubscriber(appName,
-                                              subscriberGroupId,
+            return new DefaultEventSubscriber(appName, subscriberGroupId,
                                               eventType);
         }
     }
diff --git a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/KafkaServerConfig.java b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/KafkaServerConfig.java
new file mode 100644
index 0000000..25beda0
--- /dev/null
+++ b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/KafkaServerConfig.java
@@ -0,0 +1,156 @@
+/**
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.kafkaintegration.api.dto;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * DTO to hold Kafka Server Configuration information.
+ *
+ */
+public final class KafkaServerConfig {
+
+    private final String ipAddress;
+
+    private final String port;
+
+    private final int numOfRetries;
+
+    private final int maxInFlightRequestsPerConnection;
+
+    private final int acksRequired;
+
+    private final String keySerializer;
+
+    private final String valueSerializer;
+
+    private KafkaServerConfig(String ipAddress, String port, int numOfRetries,
+                              int maxInFlightRequestsPerConnection,
+                              int requestRequiredAcks, String keySerializer,
+                              String valueSerializer) {
+
+        this.ipAddress = checkNotNull(ipAddress, "Ip Address Cannot be null");
+        this.port = checkNotNull(port, "Port Number cannot be null");
+        this.numOfRetries = numOfRetries;
+        this.maxInFlightRequestsPerConnection =
+                maxInFlightRequestsPerConnection;
+        this.acksRequired = requestRequiredAcks;
+        this.keySerializer = keySerializer;
+        this.valueSerializer = valueSerializer;
+    }
+
+    public final String getIpAddress() {
+        return ipAddress;
+    }
+
+    public final String getPort() {
+        return port;
+    }
+
+    public final int getNumOfRetries() {
+        return numOfRetries;
+    }
+
+    public final int getMaxInFlightRequestsPerConnection() {
+        return maxInFlightRequestsPerConnection;
+    }
+
+    public final int getAcksRequired() {
+        return acksRequired;
+    }
+
+    public final String getKeySerializer() {
+        return keySerializer;
+    }
+
+    public final String getValueSerializer() {
+        return valueSerializer;
+    }
+
+    /**
+     * To create an instance of the builder.
+     *
+     * @return instance of builder
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * Builder class for KafkaServerConfig.
+     */
+    public static final class Builder {
+        private String ipAddress;
+
+        private String port;
+
+        private int numOfRetries;
+
+        private int maxInFlightRequestsPerConnection;
+
+        private int acksRequired;
+
+        private String keySerializer;
+
+        private String valueSerializer;
+
+        public Builder ipAddress(String ipAddress) {
+            this.ipAddress = ipAddress;
+            return this;
+        }
+
+        public Builder port(String port) {
+            this.port = port;
+            return this;
+        }
+
+        public Builder numOfRetries(int numOfRetries) {
+            this.numOfRetries = numOfRetries;
+            return this;
+        }
+
+        public Builder maxInFlightRequestsPerConnection(int maxInFlightRequestsPerConnection) {
+            this.maxInFlightRequestsPerConnection =
+                    maxInFlightRequestsPerConnection;
+            return this;
+        }
+
+        public Builder acksRequired(int acksRequired) {
+            this.acksRequired = acksRequired;
+            return this;
+        }
+
+        public Builder keySerializer(String keySerializer) {
+            this.keySerializer = keySerializer;
+            return this;
+        }
+
+        public Builder valueSerializer(String valueSerializer) {
+            this.valueSerializer = valueSerializer;
+            return this;
+        }
+
+        public KafkaServerConfig build() {
+            checkNotNull(ipAddress, "App name cannot be null");
+            checkNotNull(port, "Subscriber group ID cannot " + "be " + "null");
+
+            return new KafkaServerConfig(ipAddress, port, numOfRetries,
+                                         maxInFlightRequestsPerConnection,
+                                         acksRequired, keySerializer,
+                                         valueSerializer);
+        }
+    }
+}
diff --git a/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/RegistrationResponse.java b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/RegistrationResponse.java
new file mode 100644
index 0000000..e0a02b7
--- /dev/null
+++ b/apps/kafka-integration/api/src/main/java/org/onosproject/kafkaintegration/api/dto/RegistrationResponse.java
@@ -0,0 +1,75 @@
+/**
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.kafkaintegration.api.dto;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+
+/**
+ * DTO to hold Registration Response for requests from external apps.
+ */
+public final class RegistrationResponse {
+
+    private EventSubscriberGroupId groupId;
+
+    private String ipAddress;
+
+    private String port;
+
+    public RegistrationResponse(EventSubscriberGroupId groupId,
+                                String ipAddress, String port) {
+        this.groupId = groupId;
+        this.ipAddress = ipAddress;
+        this.port = port;
+    }
+
+    public final EventSubscriberGroupId getGroupId() {
+        return groupId;
+    }
+
+    public final String getIpAddress() {
+        return ipAddress;
+    }
+
+    public final String getPort() {
+        return port;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o instanceof RegistrationResponse) {
+            RegistrationResponse sub = (RegistrationResponse) o;
+            if (sub.groupId.equals(groupId) && sub.ipAddress.equals(ipAddress)
+                    && sub.port.equals(port)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(groupId, ipAddress, port);
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this).add("subscriberGroupId", groupId)
+                .add("ipAddress", ipAddress).add("port", port).toString();
+    }
+}