diff --git a/src/main/java/myapi/api/Controller/TaskController.java b/src/main/java/myapi/api/Controller/TaskController.java
index d2ca261..e84e119 100644
--- a/src/main/java/myapi/api/Controller/TaskController.java
+++ b/src/main/java/myapi/api/Controller/TaskController.java
@@ -2,7 +2,8 @@ package myapi.api.Controller;
 
 import java.util.List;
 import myapi.api.Model.Task;
-import myapi.api.Service.TaskService;
+import myapi.api.Service.Interfaces.TaskService;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -11,11 +12,11 @@ import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
  * Classe servant de point d'entrée pour les objets Tâches
- * TaskController
  */
 @RestController
 @RequestMapping("/task")
@@ -57,8 +58,8 @@ public class TaskController {
      * Supprime une tâche de la bdd
      * @param idTask L'id de la tâche
      */
-    @DeleteMapping("/delete/{id}")
-    public void deleteTask(@PathVariable("id") int idTask) {
+    @DeleteMapping("/delete")
+    public void deleteTask(@RequestParam("id") int idTask) {
         taskService.deleteTask(idTask);
     }
 }
diff --git a/src/main/java/myapi/api/Controller/TaskGroupController.java b/src/main/java/myapi/api/Controller/TaskGroupController.java
new file mode 100644
index 0000000..ffc2235
--- /dev/null
+++ b/src/main/java/myapi/api/Controller/TaskGroupController.java
@@ -0,0 +1,63 @@
+package myapi.api.Controller;
+
+import java.util.List;
+import myapi.api.Model.TaskGroup;
+import myapi.api.Service.Interfaces.TaskGroupService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Classe servant de point d'entrée pour les objets TaskGroup
+ */
+@RestController
+@RequestMapping("/group")
+public class TaskGroupController {
+
+    @Autowired
+    private TaskGroupService taskGroupService;
+
+    /**
+     * Récupère tous les groupes de la bdd
+     * @return Une liste de {@link TaskGroup}
+     */
+    @GetMapping
+    public List<TaskGroup> getAllGroups() {
+        return taskGroupService.getAllGroups();
+    }
+
+    /**
+     * Ajoute un nouveau groupe à la bdd
+     * @param group L'objet que l'on veut ajouter
+     * @return Le groupe ajouté
+     */
+    @PostMapping("/add")
+    public TaskGroup addGroup(@RequestBody TaskGroup group) {
+        return taskGroupService.addGroup(group);
+    }
+
+    /**
+     * Modifie un groupe de la bdd
+     * @param group Le groupe que l'on veut modifier. Il faut que son id soit déjà présent
+     * @return Le groupe modifié
+     */
+    @PutMapping("/update")
+    public TaskGroup updateGroup(@RequestBody TaskGroup group) {
+        return taskGroupService.updateGroup(group);
+    }
+
+    /**
+     * Supprime un groupe de la bdd
+     * @param idGroup L'identifiant du groupe
+     */
+    @DeleteMapping("/delete")
+    public void deleteGroup(@RequestParam("id") int idGroup) {
+        taskGroupService.deleteGroup(idGroup);
+    }
+}
diff --git a/src/main/java/myapi/api/Model/TaskGroup.java b/src/main/java/myapi/api/Model/TaskGroup.java
new file mode 100644
index 0000000..5eca1e3
--- /dev/null
+++ b/src/main/java/myapi/api/Model/TaskGroup.java
@@ -0,0 +1,49 @@
+package myapi.api.Model;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+/**
+ * Classe mappée à la table task_group de la bdd
+ * TaskGroup
+ */
+@Entity
+@Table(name = "task_group")
+public class TaskGroup {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id_group;
+
+    private String name_group;
+    private Integer id_project;
+
+    /* --- GETTERS ET SETTERS --- */
+
+    public int getId_group() {
+        return id_group;
+    }
+
+    public void setId_group(int id_group) {
+        this.id_group = id_group;
+    }
+
+    public String getName_group() {
+        return name_group;
+    }
+
+    public void setName_group(String name_group) {
+        this.name_group = name_group;
+    }
+
+    public Integer getId_project() {
+        return id_project;
+    }
+
+    public void setId_project(Integer id_project) {
+        this.id_project = id_project;
+    }
+}
diff --git a/src/main/java/myapi/api/Repository/TaskGroupRepository.java b/src/main/java/myapi/api/Repository/TaskGroupRepository.java
new file mode 100644
index 0000000..71f994b
--- /dev/null
+++ b/src/main/java/myapi/api/Repository/TaskGroupRepository.java
@@ -0,0 +1,11 @@
+package myapi.api.Repository;
+
+import myapi.api.Model.TaskGroup;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+/**
+ * Repository Jpa permettant la persistance 
+ */
+@Repository
+public interface TaskGroupRepository extends JpaRepository<TaskGroup, Integer> {}
diff --git a/src/main/java/myapi/api/Repository/TaskRepository.java b/src/main/java/myapi/api/Repository/TaskRepository.java
index 7da7442..59fa4db 100644
--- a/src/main/java/myapi/api/Repository/TaskRepository.java
+++ b/src/main/java/myapi/api/Repository/TaskRepository.java
@@ -6,7 +6,6 @@ import org.springframework.stereotype.Repository;
 
 /**
  * Repository Jpa permettant la persistance
- * TaskRepository
  */
 @Repository
 public interface TaskRepository extends JpaRepository<Task, Integer> {}
diff --git a/src/main/java/myapi/api/Service/Implementations/TaskGroupServiceImpl.java b/src/main/java/myapi/api/Service/Implementations/TaskGroupServiceImpl.java
new file mode 100644
index 0000000..d900a12
--- /dev/null
+++ b/src/main/java/myapi/api/Service/Implementations/TaskGroupServiceImpl.java
@@ -0,0 +1,53 @@
+package myapi.api.Service.Implementations;
+
+import java.util.List;
+import myapi.api.Model.TaskGroup;
+import myapi.api.Repository.TaskGroupRepository;
+import myapi.api.Service.Interfaces.TaskGroupService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service 
+public class TaskGroupServiceImpl implements TaskGroupService {
+
+    @Autowired
+    private TaskGroupRepository taskGroupRepository;
+
+    /**    (non-Javadoc)
+     * @see myapi.api.Service.Interfaces.TaskGroupService#getAllGroups()
+     */
+    @Override
+    public List<TaskGroup> getAllGroups() {
+        return taskGroupRepository.findAll();
+    }
+
+    /**    (non-Javadoc)
+     * @see myapi.api.Service.Interfaces.TaskGroupService#addGroup(myapi.api.Model.TaskGroup)
+     */
+    @Override
+    public TaskGroup addGroup(TaskGroup group) {
+        return taskGroupRepository.save(group);
+    }
+
+    /**    (non-Javadoc)
+     *
+     * @see myapi.api.Service.Interfaces.TaskGroupService#updateGroup(myapi.api.Model.TaskGroup)
+     */
+    @Override
+    public TaskGroup updateGroup(TaskGroup group) {
+        TaskGroup dbGroup = taskGroupRepository.findById(group.getId_group()).get();
+        dbGroup.setName_group(group.getName_group());
+        dbGroup.setId_group(group.getId_group());
+        dbGroup.setId_project(group.getId_project());
+        return taskGroupRepository.save(dbGroup);
+    }
+
+    /**    (non-Javadoc)
+     *
+     * @see myapi.api.Service.Interfaces.TaskGroupService#deleteGroup(java.lang.Integer)
+     */
+    @Override
+    public void deleteGroup(Integer idGroup) {
+        taskGroupRepository.deleteById(idGroup);
+    }
+}
diff --git a/src/main/java/myapi/api/Service/TaskServiceImpl.java b/src/main/java/myapi/api/Service/Implementations/TaskServiceImpl.java
similarity index 70%
rename from src/main/java/myapi/api/Service/TaskServiceImpl.java
rename to src/main/java/myapi/api/Service/Implementations/TaskServiceImpl.java
index 3fb222a..8279040 100644
--- a/src/main/java/myapi/api/Service/TaskServiceImpl.java
+++ b/src/main/java/myapi/api/Service/Implementations/TaskServiceImpl.java
@@ -1,8 +1,9 @@
-package myapi.api.Service;
+package myapi.api.Service.Implementations;
 
 import java.util.List;
 import myapi.api.Model.Task;
 import myapi.api.Repository.TaskRepository;
+import myapi.api.Service.Interfaces.TaskService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -13,7 +14,7 @@ public class TaskServiceImpl implements TaskService {
     private TaskRepository taskRepository;
 
     /**    (non-Javadoc)
-     * @see myapi.api.Service.TaskService#getAllTasks()
+     * @see myapi.api.Service.Interfaces.TaskService#getAllTasks()
      */
     @Override
     public List<Task> getAllTasks() {
@@ -21,7 +22,7 @@ public class TaskServiceImpl implements TaskService {
     }
 
     /**    (non-Javadoc)
-     * @see myapi.api.Service.TaskService#addTask(myapi.api.Model.Task)
+     * @see myapi.api.Service.Interfaces.TaskService#addTask(myapi.api.Model.Task)
      */
     @Override
     public Task addTask(Task task) {
@@ -29,7 +30,7 @@ public class TaskServiceImpl implements TaskService {
     }
 
     /**    (non-Javadoc)
-     * @see myapi.api.Service.TaskService#updateTask(myapi.api.Model.Task)
+     * @see myapi.api.Service.Interfaces.TaskService#updateTask(myapi.api.Model.Task)
      */
     @Override
     public Task updateTask(Task task) {
@@ -44,10 +45,10 @@ public class TaskServiceImpl implements TaskService {
     }
 
     /**    (non-Javadoc)
-     * @see myapi.api.Service.TaskService#deleteTask(int)
+     * @see myapi.api.Service.Interfaces.TaskService#deleteTask(int)
      */
     @Override
-    public void deleteTask(int taskId) {
-        taskRepository.deleteById(taskId);
+    public void deleteTask(int idTask) {
+        taskRepository.deleteById(idTask);
     }
 }
diff --git a/src/main/java/myapi/api/Service/Interfaces/TaskGroupService.java b/src/main/java/myapi/api/Service/Interfaces/TaskGroupService.java
new file mode 100644
index 0000000..b22585d
--- /dev/null
+++ b/src/main/java/myapi/api/Service/Interfaces/TaskGroupService.java
@@ -0,0 +1,35 @@
+package myapi.api.Service.Interfaces;
+
+import java.util.List;
+import myapi.api.Model.TaskGroup;
+
+/**
+ * Interface pour les services de groupe de task
+ */
+public interface TaskGroupService {
+    /**
+     * Récupère tous les groupes de tâches de la database
+     * @return Une liste de groupe de tâches
+     */
+    List<TaskGroup> getAllGroups();
+
+    /**
+     * Ajoute un nouveau groupe de tâche
+     * @param group Le nouveau groupe
+     * @return Le groupe créé
+     */
+    TaskGroup addGroup(TaskGroup group);
+
+    /**
+     * Modifie un groupe déjà existant
+     * @param group Le groupe à modifier. Il faut que son id existe déjà dans la database
+     * @return Le groupe modifié
+     */
+    TaskGroup updateGroup(TaskGroup group);
+
+    /**
+     * Supprime un groupe de tâche déjà existant à partir de son identifiant
+     * @param idGroup L'identifiant du groupe
+     */
+    void deleteGroup(Integer idGroup);
+}
diff --git a/src/main/java/myapi/api/Service/TaskService.java b/src/main/java/myapi/api/Service/Interfaces/TaskService.java
similarity index 90%
rename from src/main/java/myapi/api/Service/TaskService.java
rename to src/main/java/myapi/api/Service/Interfaces/TaskService.java
index ae26481..89edd79 100644
--- a/src/main/java/myapi/api/Service/TaskService.java
+++ b/src/main/java/myapi/api/Service/Interfaces/TaskService.java
@@ -1,10 +1,13 @@
-package myapi.api.Service;
+package myapi.api.Service.Interfaces;
 
 import java.util.List;
 
 
 import myapi.api.Model.Task;
 
+/**
+ * Interface pour les services de task
+ */
 public interface TaskService {
     /**
      * Récupère toutes les tâches de la database