diff --git a/backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java
index 1853c33..09664f1 100644
--- a/backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java
+++ b/backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java
@@ -12,7 +12,7 @@ public class AdministrationService {
     @Autowired
     private ConnectionRepository connectionRepository;
     @Autowired
-    private RoleRepository roleRepository;
+    private UserRepository userRepository;
 
     public boolean checkToken(int idUser, String token) {
         List<Connection> connections = connectionRepository.findByIdUser(idUser);
@@ -24,22 +24,12 @@ public class AdministrationService {
         return c.getToken().equals(token) && c.getExpiresAt().isAfter(java.time.LocalDateTime.now());
     }
 
-    public boolean checkRole(int idUser, int role)
+    public Optional<Integer> getRole(int idUser)
     {
-        List<Connection> connections = connectionRepository.findByIdUser(idUser);
-
-        if (connections.isEmpty()) {
-            return false;
+        Optional<User> user = userRepository.findById(idUser);
+        if (!user.isPresent()) {
+            return Optional.empty();
         }
-        // Connection c = connections.getFirst();
-        Optional<Role> roleOption = roleRepository.findById(role);
-        if(!roleOption.isPresent()) {
-            return false;
-        }
-        return true;
-    }
-
-    public List<Role> getRoles() {
-        return roleRepository.findAll();
+        return Optional.of(user.get().getIdRole());
     }
 }
diff --git a/backend/database-manager/src/main/java/insa/application/helpapp/rest/RoleEnum.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/RoleEnum.java
new file mode 100644
index 0000000..457e31f
--- /dev/null
+++ b/backend/database-manager/src/main/java/insa/application/helpapp/rest/RoleEnum.java
@@ -0,0 +1,19 @@
+package insa.application.helpapp.rest;
+
+public enum RoleEnum {
+    USER(1),
+    VOLUNTEER(2),
+    ADMIN(3);
+
+    private final int value;
+
+    // Constructor
+    RoleEnum(int value) {
+        this.value = value;
+    }
+
+    // Getter
+    public int getValue() {
+        return value;
+    }
+}
diff --git a/backend/request-service/src/main/java/insa/application/helpapp/rest/RequestServiceApplication.java b/backend/request-service/src/main/java/insa/application/helpapp/rest/RequestServiceApplication.java
index 99b4cda..a73d6a8 100644
--- a/backend/request-service/src/main/java/insa/application/helpapp/rest/RequestServiceApplication.java
+++ b/backend/request-service/src/main/java/insa/application/helpapp/rest/RequestServiceApplication.java
@@ -11,6 +11,7 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import org.springframework.beans.factory.annotation.Autowired;
 
 import java.time.LocalDateTime;
+import java.util.Optional;
 
 @SpringBootApplication
 @RestController
@@ -41,6 +42,14 @@ public class RequestServiceApplication {
         if(!administrationService.checkToken(idUser, token)) {
             return ResponseEntity.status(HttpStatus.FORBIDDEN).body("User or token invalid.");
         };
+        Optional<Integer> idRoleOption = administrationService.getRole(idUser);
+        if(!idRoleOption.isPresent()) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("User invalid.");
+        };
+        int idRole = idRoleOption.get();
+        if(idRole == RoleEnum.VOLUNTEER.getValue()) {
+            return ResponseEntity.status(HttpStatus.FORBIDDEN).body("Volunteers cannot post a request.");
+        }
 
         Request request = new Request();
         // id_status = 1 means waiting. it is always set to 1 when created.
diff --git a/backend/role-service/src/main/java/insa/application/helpapp/rest/RoleServiceApplication.java b/backend/role-service/src/main/java/insa/application/helpapp/rest/RoleServiceApplication.java
index 09d1286..9669849 100644
--- a/backend/role-service/src/main/java/insa/application/helpapp/rest/RoleServiceApplication.java
+++ b/backend/role-service/src/main/java/insa/application/helpapp/rest/RoleServiceApplication.java
@@ -15,7 +15,7 @@ import java.util.List;
 public class RoleServiceApplication {
 
     @Autowired
-    private AdministrationService administrationService;
+    private RoleRepository roleRepository;
 
     public static void main(String[] args) {
         SpringApplication.run(RoleServiceApplication.class, args);
@@ -36,6 +36,6 @@ public class RoleServiceApplication {
 
     @GetMapping("/get_roles")
     public List<Role> getRoles() {
-        return administrationService.getRoles();
+        return roleRepository.findAll();
     }
 }