diff --git a/BeReadyBackend.sln.DotSettings.user b/BeReadyBackend.sln.DotSettings.user
index da97fdf..a337d19 100644
--- a/BeReadyBackend.sln.DotSettings.user
+++ b/BeReadyBackend.sln.DotSettings.user
@@ -1,3 +1,4 @@
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+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ARepositoryBaseOfT_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003FAppData_003FRoaming_003FJetBrains_003FRider2025_002E3_003Fresharper_002Dhost_003FSourcesCache_003F5023b5be698d783ffe9f42b2e944a85a7a66b61bc5e19c76c591036343fd16_003FRepositoryBaseOfT_002Ecs/@EntryIndexedValue">ForceIncluded</s:String></wpf:ResourceDictionary>
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diff --git a/BeReadyBackend/DTO/Messages/CreateMessageDto.cs b/BeReadyBackend/DTO/Messages/CreateMessageDto.cs
new file mode 100644
index 0000000..db222c1
--- /dev/null
+++ b/BeReadyBackend/DTO/Messages/CreateMessageDto.cs
@@ -0,0 +1,8 @@
+namespace BeReadyBackend.DTO.Messages;
+
+public class CreateMessageDto
+{
+    public int GroupId { get; set; }
+    public string? Libelle { get; set; }
+    public DateTime SendDate { get; set; }
+}
\ No newline at end of file
diff --git a/BeReadyBackend/Endpoints/Messages/DeleteMessageEndpoint.cs b/BeReadyBackend/Endpoints/Messages/DeleteMessageEndpoint.cs
new file mode 100644
index 0000000..1b71c6d
--- /dev/null
+++ b/BeReadyBackend/Endpoints/Messages/DeleteMessageEndpoint.cs
@@ -0,0 +1,35 @@
+using BeReadyBackend.Models;
+using BeReadyBackend.Repositories;
+using BeReadyBackend.Specifications.Messages;
+using FastEndpoints;
+
+namespace BeReadyBackend.Endpoints.Messages;
+
+public class DeleteMessageRequest
+{
+    public int Id { get; set; }
+    public int GroupId { get; set; }
+}
+
+public class DeleteMessageEndpoint(MessagesRepository messagesRepository) : Endpoint<DeleteMessageRequest>
+{
+    public override void Configure()
+    {
+        Delete("/Messages/{@Id}/Groups/{@GroupId}/", x => new { x.Id, x.GroupId });
+    }
+
+    public override async Task HandleAsync(DeleteMessageRequest req, CancellationToken ct)
+    {
+        Message? message = await messagesRepository.SingleOrDefaultAsync(new GetMessageByIdSpec(req.Id), ct);
+
+        if (message is null)
+        {
+            await Send.NotFoundAsync(ct);
+            return;
+        }
+        
+        await messagesRepository.DeleteAsync(message, ct);
+        await messagesRepository.SaveChangesAsync(ct);
+        await Send.OkAsync(ct);
+    }
+}
\ No newline at end of file
diff --git a/BeReadyBackend/Endpoints/Messages/GetMessagesEndpoint.cs b/BeReadyBackend/Endpoints/Messages/GetMessagesEndpoint.cs
new file mode 100644
index 0000000..51b2a08
--- /dev/null
+++ b/BeReadyBackend/Endpoints/Messages/GetMessagesEndpoint.cs
@@ -0,0 +1,25 @@
+using BeReadyBackend.DTO.Messages;
+using BeReadyBackend.Repositories;
+using BeReadyBackend.Specifications.Messages;
+using FastEndpoints;
+
+namespace BeReadyBackend.Endpoints.Messages;
+
+public class GetMessagesRequest
+{
+    public int GroupId { get; set; }
+}
+
+public class GetMessagesEndpoint(MessagesRepository messagesRepository) : Endpoint<GetMessagesRequest, List<GetMessageDto>>
+{
+    public override void Configure()
+    {
+        Post("/Messages/Groups/{@GroupId}/", x => new { x.GroupId });
+    }
+
+    public override async Task HandleAsync(GetMessagesRequest req, CancellationToken ct)
+    {
+        List<GetMessageDto> messages = await messagesRepository.ProjectToListAsync<GetMessageDto>(new GetMessageByGroupIdSpec(req.GroupId), ct);
+        await Send.OkAsync(messages, ct);
+    }
+}
\ No newline at end of file
diff --git a/BeReadyBackend/Endpoints/Messages/SendMessageEndpoint.cs b/BeReadyBackend/Endpoints/Messages/SendMessageEndpoint.cs
new file mode 100644
index 0000000..c3a5f67
--- /dev/null
+++ b/BeReadyBackend/Endpoints/Messages/SendMessageEndpoint.cs
@@ -0,0 +1,32 @@
+using BeReadyBackend.DTO.Messages;
+using BeReadyBackend.Hubs;
+using BeReadyBackend.Models;
+using BeReadyBackend.Repositories;
+using BeReadyBackend.Services;
+using FastEndpoints;
+using Microsoft.AspNetCore.SignalR;
+
+namespace BeReadyBackend.Endpoints.Messages;
+
+public class SendMessageEndpoint(UserService userService, AutoMapper.IMapper mapper, MessagesRepository messagesRepository, IHubContext<GroupHub> hubContext)
+    : Endpoint<CreateMessageDto>
+{
+    public override void Configure()
+    {
+        Post("/Messages/Groups/{@GroupId}/", x => new { x.GroupId });
+    }
+
+    public override async Task HandleAsync(CreateMessageDto req, CancellationToken ct)
+    {
+        Message message = new();
+        mapper.Map(req, message);
+        message.UserId = userService.GetUserIdFromToken();
+
+        await messagesRepository.AddAsync(message, ct);
+        await messagesRepository.SaveChangesAsync(ct);
+
+        await hubContext.Clients.Group($"group-{req.GroupId}").SendAsync("ReceiveMessage", message, cancellationToken: ct);
+        
+        await Send.OkAsync(ct);
+    }
+}
\ No newline at end of file
diff --git a/BeReadyBackend/MappingProfiles/DtoToEntityMappings.cs b/BeReadyBackend/MappingProfiles/DtoToEntityMappings.cs
index 51fcda1..af1bd55 100644
--- a/BeReadyBackend/MappingProfiles/DtoToEntityMappings.cs
+++ b/BeReadyBackend/MappingProfiles/DtoToEntityMappings.cs
@@ -1,6 +1,7 @@
 using AutoMapper;
 using BeReadyBackend.DTO.Achievements;
 using BeReadyBackend.DTO.Groups;
+using BeReadyBackend.DTO.Messages;
 using BeReadyBackend.DTO.Users;
 using BeReadyBackend.Models;
 
@@ -18,5 +19,7 @@ public class DtoToEntityMappings : Profile
 
         CreateMap<CreateGroupDto, Group>()
             .ForMember(dest => dest.UserGroups, opt => opt.Ignore());
+
+        CreateMap<CreateMessageDto, Message>();
     }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs b/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs
index 7af8e5a..8661041 100644
--- a/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs
+++ b/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs
@@ -5,7 +5,6 @@ using BeReadyBackend.DTO.Groups;
 using BeReadyBackend.DTO.Messages;
 using BeReadyBackend.DTO.Users;
 using BeReadyBackend.Models;
-using NSwag.Generation.Processors;
 
 namespace BeReadyBackend.MappingProfiles;
 
diff --git a/BeReadyBackend/Specifications/Messages/GetMessageByGroupIdSpec.cs b/BeReadyBackend/Specifications/Messages/GetMessageByGroupIdSpec.cs
new file mode 100644
index 0000000..87fb7d8
--- /dev/null
+++ b/BeReadyBackend/Specifications/Messages/GetMessageByGroupIdSpec.cs
@@ -0,0 +1,13 @@
+using Ardalis.Specification;
+using BeReadyBackend.Models;
+
+namespace BeReadyBackend.Specifications.Messages;
+
+public class GetMessageByGroupIdSpec : Specification<Message>
+{
+    public GetMessageByGroupIdSpec(int groupId)
+    {
+        Query
+            .Where(x => x.GroupId == groupId);
+    }
+}
\ No newline at end of file
diff --git a/BeReadyBackend/Specifications/Messages/GetMessageByIdSpec.cs b/BeReadyBackend/Specifications/Messages/GetMessageByIdSpec.cs
new file mode 100644
index 0000000..8bcb288
--- /dev/null
+++ b/BeReadyBackend/Specifications/Messages/GetMessageByIdSpec.cs
@@ -0,0 +1,13 @@
+using Ardalis.Specification;
+using BeReadyBackend.Models;
+
+namespace BeReadyBackend.Specifications.Messages;
+
+public class GetMessageByIdSpec : SingleResultSpecification<Message>
+{
+    public GetMessageByIdSpec(int id)
+    {
+        Query
+            .Where(x => x.Id == id);
+    }
+}
\ No newline at end of file