diff --git a/backend/administration/pom.xml b/backend/database-manager/pom.xml
similarity index 96%
rename from backend/administration/pom.xml
rename to backend/database-manager/pom.xml
index 9717a48..4ba7abd 100644
--- a/backend/administration/pom.xml
+++ b/backend/database-manager/pom.xml
@@ -5,7 +5,7 @@
         <version>1.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
-    <artifactId>administration</artifactId>
+    <artifactId>database-manager</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
diff --git a/backend/administration/src/main/java/insa/application/helpapp/rest/AdministrationService.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java
similarity index 52%
rename from backend/administration/src/main/java/insa/application/helpapp/rest/AdministrationService.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java
index 6c3ea52..1853c33 100644
--- a/backend/administration/src/main/java/insa/application/helpapp/rest/AdministrationService.java
+++ b/backend/database-manager/src/main/java/insa/application/helpapp/rest/AdministrationService.java
@@ -4,12 +4,15 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
+import java.util.Optional;
 
 @Service
 public class AdministrationService {
 
     @Autowired
     private ConnectionRepository connectionRepository;
+    @Autowired
+    private RoleRepository roleRepository;
 
     public boolean checkToken(int idUser, String token) {
         List<Connection> connections = connectionRepository.findByIdUser(idUser);
@@ -20,4 +23,23 @@ public class AdministrationService {
         Connection c = connections.getFirst();
         return c.getToken().equals(token) && c.getExpiresAt().isAfter(java.time.LocalDateTime.now());
     }
+
+    public boolean checkRole(int idUser, int role)
+    {
+        List<Connection> connections = connectionRepository.findByIdUser(idUser);
+
+        if (connections.isEmpty()) {
+            return false;
+        }
+        // Connection c = connections.getFirst();
+        Optional<Role> roleOption = roleRepository.findById(role);
+        if(!roleOption.isPresent()) {
+            return false;
+        }
+        return true;
+    }
+
+    public List<Role> getRoles() {
+        return roleRepository.findAll();
+    }
 }
diff --git a/backend/administration/src/main/java/insa/application/helpapp/rest/Connection.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/Connection.java
similarity index 100%
rename from backend/administration/src/main/java/insa/application/helpapp/rest/Connection.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/Connection.java
diff --git a/backend/administration/src/main/java/insa/application/helpapp/rest/ConnectionRepository.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/ConnectionRepository.java
similarity index 100%
rename from backend/administration/src/main/java/insa/application/helpapp/rest/ConnectionRepository.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/ConnectionRepository.java
diff --git a/backend/request-service/src/main/java/insa/application/helpapp/rest/Requests.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/Request.java
similarity index 87%
rename from backend/request-service/src/main/java/insa/application/helpapp/rest/Requests.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/Request.java
index 8eb04eb..688d38e 100644
--- a/backend/request-service/src/main/java/insa/application/helpapp/rest/Requests.java
+++ b/backend/database-manager/src/main/java/insa/application/helpapp/rest/Request.java
@@ -7,11 +7,11 @@ import jakarta.persistence.Column;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 
-import java.time.LocalDate;
+import java.time.LocalDateTime;
 
 @Entity
 @Table(name = "requests", schema = "service-architecture")
-public class Requests {
+public class Request {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -24,7 +24,7 @@ public class Requests {
     private int idUser;
 
     @Column(name = "created_at", nullable = false, columnDefinition = "DATE DEFAULT CURRENT_DATE")
-    private LocalDate createdAt;
+    private LocalDateTime createdAt;
 
     @Column(name = "message", nullable = false)
     private String message;
@@ -54,11 +54,11 @@ public class Requests {
         this.idUser = idUser;
     }
 
-    public LocalDate getCreatedAt() {
+    public LocalDateTime getCreatedAt() {
         return createdAt;
     }
 
-    public void setCreatedAt(LocalDate createdAt) {
+    public void setCreatedAt(LocalDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
diff --git a/backend/request-service/src/main/java/insa/application/helpapp/rest/RequestRepository.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/RequestRepository.java
similarity index 92%
rename from backend/request-service/src/main/java/insa/application/helpapp/rest/RequestRepository.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/RequestRepository.java
index f0c5c80..61b9d8d 100644
--- a/backend/request-service/src/main/java/insa/application/helpapp/rest/RequestRepository.java
+++ b/backend/database-manager/src/main/java/insa/application/helpapp/rest/RequestRepository.java
@@ -2,6 +2,6 @@ package insa.application.helpapp.rest;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
-public interface RequestRepository extends JpaRepository<Requests, Integer> {
+public interface RequestRepository extends JpaRepository<Request, Integer> {
 
 }
\ No newline at end of file
diff --git a/backend/role-service/src/main/java/insa/application/helpapp/rest/Role.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/Role.java
similarity index 100%
rename from backend/role-service/src/main/java/insa/application/helpapp/rest/Role.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/Role.java
diff --git a/backend/role-service/src/main/java/insa/application/helpapp/rest/RoleRepository.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/RoleRepository.java
similarity index 100%
rename from backend/role-service/src/main/java/insa/application/helpapp/rest/RoleRepository.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/RoleRepository.java
diff --git a/backend/user-service/src/main/java/insa/application/helpapp/rest/User.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/User.java
similarity index 100%
rename from backend/user-service/src/main/java/insa/application/helpapp/rest/User.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/User.java
diff --git a/backend/user-service/src/main/java/insa/application/helpapp/rest/UserRepository.java b/backend/database-manager/src/main/java/insa/application/helpapp/rest/UserRepository.java
similarity index 100%
rename from backend/user-service/src/main/java/insa/application/helpapp/rest/UserRepository.java
rename to backend/database-manager/src/main/java/insa/application/helpapp/rest/UserRepository.java
diff --git a/backend/pom.xml b/backend/pom.xml
index e6ee6db..2bc1f84 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -7,8 +7,8 @@
     <packaging>pom</packaging>
 
     <modules>
-        <!-- Administation creates a dependency for other services -->
-        <module>administration</module>
+        <!-- database-manager is a dependency for other services -->
+        <module>database-manager</module>
         <module>request-service</module>
         <module>role-service</module>
         <module>user-service</module>
diff --git a/backend/request-service/pom.xml b/backend/request-service/pom.xml
index f54d3e0..82462f1 100644
--- a/backend/request-service/pom.xml
+++ b/backend/request-service/pom.xml
@@ -26,7 +26,7 @@
         <!-- Depends on Administation Service to check roles -->
         <dependency>
             <groupId>insa.application.helpapp</groupId>
-            <artifactId>administration</artifactId>
+            <artifactId>database-manager</artifactId>
             <version>1.0-SNAPSHOT</version>
         </dependency>
     </dependencies>
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 7968774..99b4cda 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
@@ -10,11 +10,15 @@ import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import org.springframework.beans.factory.annotation.Autowired;
 
+import java.time.LocalDateTime;
+
 @SpringBootApplication
 @RestController
 public class RequestServiceApplication {
     @Autowired
     private AdministrationService administrationService;
+    @Autowired
+    private RequestRepository requestRepository;
     public static void main(String[] args) {
         SpringApplication.run(RequestServiceApplication.class, args);
     }
@@ -32,13 +36,18 @@ public class RequestServiceApplication {
         };
     }
 
-    @PostMapping("/post_message")
+    @PostMapping("/post_request")
     public ResponseEntity<?> postMessage(@RequestParam int idUser,@RequestParam String token, @RequestParam String message) {
         if(!administrationService.checkToken(idUser, token)) {
             return ResponseEntity.status(HttpStatus.FORBIDDEN).body("User or token invalid.");
         };
 
-        
-        return ResponseEntity.ok("Message posted");
+        Request request = new Request();
+        // id_status = 1 means waiting. it is always set to 1 when created.
+        request.setIdStatus(1);
+        request.setIdUser(idUser);
+        request.setCreatedAt(LocalDateTime.now());
+        request.setMessage(message);
+        return ResponseEntity.ok(requestRepository.save(request));
     }
 }
diff --git a/backend/role-service/pom.xml b/backend/role-service/pom.xml
index df42e87..c278c5a 100644
--- a/backend/role-service/pom.xml
+++ b/backend/role-service/pom.xml
@@ -23,6 +23,12 @@
             <version>8.0.33</version>
             <scope>runtime</scope>
         </dependency>
+        <!-- Depends on Administation Service to check roles -->
+        <dependency>
+            <groupId>insa.application.helpapp</groupId>
+            <artifactId>database-manager</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
     </dependencies>
 
     <build>
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 9669849..09d1286 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 RoleRepository roleRepository;
+    private AdministrationService administrationService;
 
     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 roleRepository.findAll();
+        return administrationService.getRoles();
     }
 }
diff --git a/backend/user-service/pom.xml b/backend/user-service/pom.xml
index b3ce56b..528eff7 100644
--- a/backend/user-service/pom.xml
+++ b/backend/user-service/pom.xml
@@ -26,7 +26,7 @@
         <!-- Depends on Administation Service to check roles -->
         <dependency>
             <groupId>insa.application.helpapp</groupId>
-            <artifactId>administration</artifactId>
+            <artifactId>database-manager</artifactId>
             <version>1.0-SNAPSHOT</version>
         </dependency>
     </dependencies>
diff --git a/backend/user-service/src/main/java/insa/application/helpapp/rest/UserService.java b/backend/user-service/src/main/java/insa/application/helpapp/rest/UserService.java
deleted file mode 100644
index 18698af..0000000
--- a/backend/user-service/src/main/java/insa/application/helpapp/rest/UserService.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package insa.application.helpapp.rest;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
-import java.util.List;
-
-@Service
-public class UserService {
-
-    @Autowired
-    private ConnectionRepository connectionRepository;
-
-    public boolean checkToken(int idUser, String token) {
-        List<Connection> connections = connectionRepository.findByIdUser(idUser);
-
-        if (connections.isEmpty()) {
-            return false;
-        }
-        Connection c = connections.getFirst();
-        return c.getToken().equals(token) && c.getExpiresAt().isAfter(java.time.LocalDateTime.now());
-    }
-}