diff --git a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
new file mode 100644
index 0000000..011689f
--- /dev/null
+++ b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
@@ -0,0 +1,80 @@
+package ovh.herisson.Clyde.EndPoints;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ovh.herisson.Clyde.Responses.UnauthorizedResponse;
+import ovh.herisson.Clyde.Services.AuthenticatorService;
+import ovh.herisson.Clyde.Services.CourseService;
+import ovh.herisson.Clyde.Services.TeacherCourseService;
+import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.Role;
+import ovh.herisson.Clyde.Tables.TeacherCourse;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.ArrayList;
+import java.util.Map;
+
+@RestController
+@CrossOrigin(originPatterns = "*", allowCredentials = "true")
+public class CourseController {
+
+    private final CourseService courseServ;
+
+    private final TeacherCourseService teacherCourseServ;
+
+    private final AuthenticatorService authServ;
+
+    public CourseController(CourseService courseServ, TeacherCourseService teacherCourseServ, AuthenticatorService authServ) {
+        this.courseServ = courseServ;
+        this.teacherCourseServ = teacherCourseServ;
+        this.authServ = authServ;
+    }
+
+    @GetMapping("/course/{id}")
+    public ResponseEntity<Course> getCourse(@RequestHeader("Authorization") String token, @PathVariable long id){
+        if (authServ.getUserFromToken(token) == null)
+            return new UnauthorizedResponse<>(null);
+
+        return new ResponseEntity<>(courseServ.findById(id), HttpStatus.OK);
+    }
+
+
+    @PostMapping("/course")
+    public ResponseEntity<Course> postCourse(@RequestHeader("Authorization") String token, @RequestBody Course course){
+        if (authServ.isNotSecretaryOrAdmin(token))
+            return new UnauthorizedResponse<>(null);
+
+        return new ResponseEntity<>(courseServ.save(course), HttpStatus.CREATED);
+    }
+
+
+    @PatchMapping("/course/{id}")
+    public ResponseEntity<Course> patchCourse(@RequestHeader("Authorization") String token,
+                                              @RequestBody Map<String,Object> updates,
+                                              @PathVariable long id)
+    {
+
+        if (authServ.IsNotIn(new Role[]{Role.Admin,Role.Teacher,Role.Secretary}, token)){
+            return new UnauthorizedResponse<>(null);
+        }
+
+        return new ResponseEntity<>(courseServ.modifyData(id, updates, authServ.getUserFromToken(token).getRole()), HttpStatus.OK);
+    }
+
+    @PostMapping("/course/{id}")
+    public ResponseEntity<String> postTeachers(@RequestHeader("Authorization") String token,
+                                               @RequestBody Iterable<Long> teacherIds,
+                                               @PathVariable Long id)
+    {
+        if (authServ.IsNotIn(new Role[]{Role.Admin,Role.Secretary}, token))
+            return new UnauthorizedResponse<>(null);
+
+
+
+        teacherCourseServ.saveAll(teacherIds,courseServ.findById(id));
+        return new ResponseEntity<>(HttpStatus.OK);
+
+    }
+
+}
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java b/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java
new file mode 100644
index 0000000..ffe654a
--- /dev/null
+++ b/backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java
@@ -0,0 +1,8 @@
+package ovh.herisson.Clyde.Repositories;
+
+
+import org.springframework.data.repository.CrudRepository;
+import ovh.herisson.Clyde.Tables.TeacherCourse;
+
+public interface TeacherCourseRepository extends CrudRepository<TeacherCourse, Long> {
+}
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/AuthenticatorService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/AuthenticatorService.java
index a3301c1..63ef3c1 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/AuthenticatorService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/AuthenticatorService.java
@@ -50,5 +50,18 @@ public class AuthenticatorService {
         return poster.getRole() != Role.Secretary || poster.getRole() != Role.Admin;
     }
 
+    public boolean IsNotIn(Role[] roles, String token){
+        if (token == null)
+            return true;
+
+        User poster = getUserFromToken(token);
+        if (poster == null) return true;
+
+        for (Role r:roles){
+            if (poster.getRole() == r)
+                return false;
+        }
+        return true;
+    }
 }
 
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
index 368dbb2..8278bbe 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
@@ -3,6 +3,10 @@ package ovh.herisson.Clyde.Services;
 import org.springframework.stereotype.Service;
 import ovh.herisson.Clyde.Repositories.CourseRepository;
 import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.Role;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.Map;
 
 @Service
 public class CourseService {
@@ -13,11 +17,39 @@ public class CourseService {
         this.courseRepo = courseRepo;
     }
 
-    public void save(Course course){
-        courseRepo.save(course);
+    public Course save(Course course){
+        return courseRepo.save(course);
     }
 
     public Course findById(long id){
         return courseRepo.findById(id);
     }
+
+    public Course modifyData(long id, Map<String, Object> updates, Role role) {
+        Course target = courseRepo.findById(id);
+
+        if (role == Role.Teacher){
+            for (Map.Entry<String, Object> entry : updates.entrySet()){
+                if (entry.getKey().equals("title")){
+                    target.setTitle((String) entry.getValue());
+                    return courseRepo.save(target);
+                }
+            }
+        }
+
+        for (Map.Entry<String ,Object> entry: updates.entrySet()){
+            switch (entry.getKey()){
+                case "title":
+                    target.setTitle((String) entry.getValue());
+                    break;
+                case "credits":
+                    target.setCredits((Integer) entry.getValue());
+                    break;
+                case "owner":
+                    target.setOwner((User) entry.getValue()); //todo check if is a teacher !
+                    break;
+            }
+        }
+        return courseRepo.save(target);
+    }
 }
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java
new file mode 100644
index 0000000..0996adf
--- /dev/null
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java
@@ -0,0 +1,39 @@
+package ovh.herisson.Clyde.Services;
+
+import org.springframework.stereotype.Controller;
+import ovh.herisson.Clyde.Repositories.TeacherCourseRepository;
+import ovh.herisson.Clyde.Repositories.UserRepository;
+import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.TeacherCourse;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.ArrayList;
+
+@Controller
+public class TeacherCourseService {
+    private final TeacherCourseRepository teacherCourseRepo;
+
+    private final UserRepository userRepo;
+
+    public TeacherCourseService(TeacherCourseRepository teacherCourseRepo, UserRepository userRepo) {
+        this.teacherCourseRepo = teacherCourseRepo;
+        this.userRepo = userRepo;
+    }
+
+    public boolean saveAll(Iterable<Long> teacherIds, Course course){
+
+        ArrayList<Long> addedIds = new ArrayList<>();
+        for (Long teacherId : teacherIds){
+            User teacher = userRepo.findById((long) teacherId);
+            if ( teacher== null){
+                return false;
+            }
+            if (!addedIds.contains(teacherId))
+            {
+                teacherCourseRepo.save(new TeacherCourse(teacher,course));
+                addedIds.add(teacherId);
+            }
+        }
+        return true;
+    }
+}