diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 139597f..0883a65 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,2 +1 @@
-
-
+- Add: support `POST /iot/op/delete` operation at iotAgent API to delete multiple devices at once (iota-node-lib#1578)
diff --git a/Changelog b/Changelog
index f68c843..1e345bc 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,8 @@
+3.1.0 (January 8th, 2024)
+
+- Add: transport and endpoint to Group model (iotagent-node-lib#1542)
+- Upgrade iotagent-node-lib dependency from 4.0.0 to 4.1.0
+
 3.0.0 (November 24th, 2023)
 
 - Add: payloadType to device and groups model (iotagent-json#778)
diff --git a/README.md b/README.md
index 4f7960b..4e554b8 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ In order to run the docker image, first you must have a MongoDB instance running
 following command:
 
 ```console
-docker run --name mongodb -d mongo
+   docker run -d -p 27017:27017 --hostname mongo --name mongo mongo:6.0.12
 ```
 
 ### Build your own Docker image
diff --git a/docker-compose-dev.yml b/docker-compose-dev.yml
new file mode 100644
index 0000000..afad40c
--- /dev/null
+++ b/docker-compose-dev.yml
@@ -0,0 +1,7 @@
+version: "3"
+
+services:
+  mongo:
+    image: mongo:6.0.12
+    ports:
+      - "27017:27017"
diff --git a/lib/model/Configuration.js b/lib/model/Configuration.js
index f889f31..a0272cb 100644
--- a/lib/model/Configuration.js
+++ b/lib/model/Configuration.js
@@ -63,7 +63,9 @@ const Configuration = new Schema({
     timestamp: Boolean,
     explicitAttrs: ExplicitAttrsType,
     entityNameExp: String,
-    payloadType: String
+    payloadType: String,
+    endpoint: String,
+    transport: String
 });
 
 function load(db) {
diff --git a/lib/services/configurations.js b/lib/services/configurations.js
index 3386de8..a4003cc 100644
--- a/lib/services/configurations.js
+++ b/lib/services/configurations.js
@@ -38,7 +38,9 @@ const retrievingAPITranslation = {
     description: 'description',
     explicitAttrs: 'explicitAttrs',
     entityNameExp: 'entityNameExp',
-    payloadType: 'payloadType'
+    payloadType: 'payloadType',
+    transport: 'transport',
+    endpoint: 'endpoint'
 };
 
 function isInvalidParameter(param) {
@@ -83,7 +85,9 @@ function translateToApi(logger, configurations) {
         'timestamp',
         'explicitAttrs',
         'entityNameExp',
-        'payloadType'
+        'payloadType',
+        'endpoint',
+        'transport'
     ];
 
     logger.debug('configurations %j', configurations);
diff --git a/lib/services/iotaRedirector.js b/lib/services/iotaRedirector.js
index c0684eb..b6a8683 100644
--- a/lib/services/iotaRedirector.js
+++ b/lib/services/iotaRedirector.js
@@ -431,6 +431,7 @@ function loadContextRoutes(router) {
     router.get('/iot/devices', middlewareList);
     router.get('/iot/devices/:id', middlewareList);
     router.put('/iot/devices/:id', middlewareList);
+    router.post('/iot/op/delete', middlewareList);
     router.delete('/iot/devices/:id', middlewareList);
 }
 
diff --git a/package.json b/package.json
index 5ee935d..c421c9f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "iotagent-manager",
   "description": "IoT Agent Manager proxy",
-  "version": "3.0.0-next",
+  "version": "3.1.0-next",
   "homepage": "https://github.com/telefonicaid/iotagent-manager",
   "author": {
     "name": "Daniel Moran",