diff --git a/ApfelBruno/Node/Create node group.bru b/ApfelBruno/Node/Create node group.bru
index e33232f..4badd84 100644
--- a/ApfelBruno/Node/Create node group.bru	
+++ b/ApfelBruno/Node/Create node group.bru	
@@ -5,7 +5,11 @@ meta {
 }
 
 post {
-  url: http://localhost:8080/api/v1/nodes
-  body: none
+  url: http://localhost:8080/api/v1/groups
+  body: json
   auth: none
 }
+
+body:json {
+  {"name":"testgroup"}
+}
diff --git a/ApfelBruno/Node/Create node.bru b/ApfelBruno/Node/Create node.bru
index 15ae404..256d087 100644
--- a/ApfelBruno/Node/Create node.bru	
+++ b/ApfelBruno/Node/Create node.bru	
@@ -9,3 +9,12 @@ post {
   body: json
   auth: none
 }
+
+body:json {
+  {
+    "name":"some mac address",
+    "coord_la":1.123123,
+    "coord_lo":5.3123123,
+    "group":"efbd70a9-dc89-4c8d-9e6c-e7607c823df3"
+  }
+}
diff --git a/crates/backend/src/controller/node.rs b/crates/backend/src/controller/node.rs
index 9df275d..3c3bf74 100644
--- a/crates/backend/src/controller/node.rs
+++ b/crates/backend/src/controller/node.rs
@@ -1,10 +1,23 @@
-use actix_web::{error::ErrorInternalServerError, web, Responder};
+use actix_web::{error::ErrorInternalServerError, http::header::ACCEPT, web, Responder};
 use entity::node_group;
 use sea_orm::{ActiveModelTrait, ActiveValue, EntityTrait, IntoActiveModel};
 use serde::{Deserialize, Serialize};
 
 use crate::AppState;
 
+#[derive(Deserialize)]
+pub struct CreateGroupWithoutId {
+    name: String,
+}
+
+#[derive(Deserialize)]
+pub struct CreateLicense {
+    name: String,
+    coord_la: f64,
+    coord_lo: f64,
+    group: uuid::Uuid,
+}
+
 #[derive(Serialize)]
 struct GroupWithNode {
     #[serde(flatten)]
@@ -27,16 +40,55 @@ pub async fn get_nodes(state: web::Data<AppState>) -> actix_web::Result<impl Res
     Ok(web::Json(result))
 }
 
+pub async fn create_group(
+    state: web::Data<AppState>,
+    group: web::Json<CreateGroupWithoutId>,
+) -> actix_web::Result<impl Responder> {
+    let db = &state.db;
+
+    let group = group.into_inner();
+
+    let group = entity::node_group::ActiveModel {
+        id: ActiveValue::NotSet,
+        name: ActiveValue::Set(group.name),
+    };
+
+    let result = group.insert(db).await.map_err(ErrorInternalServerError)?;
+
+    Ok(web::Json(result))
+}
+
 pub async fn create_node(
     state: web::Data<AppState>,
-    node: web::Json<entity::node::Model>,
+    node: web::Json<CreateLicense>,
 ) -> actix_web::Result<impl Responder> {
     let db = &state.db;
 
     let node = node.into_inner();
 
-    let mut node = node.into_active_model();
-    node.id = ActiveValue::NotSet;
+    println!("Checking group ID: {:?}", node.group);
+
+    let group_exists = entity::node_group::Entity::find_by_id(node.group)
+        .one(db)
+        .await
+        .map_err(ErrorInternalServerError)?
+        .is_some();
+
+    if !group_exists {
+        return Err(ErrorInternalServerError("Group ID does not exist"));
+    }
+
+    let node = entity::node::ActiveModel {
+        id: ActiveValue::NotSet,
+        name: ActiveValue::Set(node.name),
+        status: ActiveValue::NotSet,
+        coord_la: ActiveValue::Set(node.coord_la),
+        coord_lo: ActiveValue::Set(node.coord_lo),
+        temperature: ActiveValue::NotSet,
+        battery: ActiveValue::NotSet,
+        uptime: ActiveValue::NotSet,
+        group: ActiveValue::Set(node.group),
+    };
 
     let result = node.insert(db).await.map_err(ErrorInternalServerError)?;
 
diff --git a/crates/backend/src/routes.rs b/crates/backend/src/routes.rs
index d4c7371..42aebff 100644
--- a/crates/backend/src/routes.rs
+++ b/crates/backend/src/routes.rs
@@ -1,5 +1,5 @@
 use crate::controller::{node, user};
-use actix_web::web::{self, route};
+use actix_web::web::{self, route, service};
 
 pub fn config(cfg: &mut web::ServiceConfig) {
     cfg.service(
@@ -18,6 +18,7 @@ pub fn config(cfg: &mut web::ServiceConfig) {
                 web::resource("/nodes")
                     .get(node::get_nodes)
                     .post(node::create_node),
-            ),
+            )
+            .service(web::resource("/groups").post(node::create_group)),
     );
 }
diff --git a/crates/migration/src/m20241008_095058_create_table_node.rs b/crates/migration/src/m20241008_095058_create_table_node.rs
index b767897..4c3e056 100644
--- a/crates/migration/src/m20241008_095058_create_table_node.rs
+++ b/crates/migration/src/m20241008_095058_create_table_node.rs
@@ -32,12 +32,12 @@ impl MigrationTrait for Migration {
                             .primary_key(),
                     )
                     .col(string(Node::Name))
-                    .col(boolean(Node::Status))
+                    .col(boolean(Node::Status).default(false))
                     .col(double(Node::CoordLa))
                     .col(double(Node::CoordLo))
-                    .col(float(Node::Temperature))
-                    .col(double(Node::Battery))
-                    .col(big_unsigned(Node::Uptime))
+                    .col(float(Node::Temperature).default(-127))
+                    .col(double(Node::Battery).default(-127))
+                    .col(big_unsigned(Node::Uptime).default(0))
                     .col(uuid(Node::Group))
                     .foreign_key(
                         ForeignKey::create()