diff --git a/BusinessLayer/DTOs/EventParticipant/EventParticipantCreateDTO.cs b/BusinessLayer/DTOs/EventParticipant/EventParticipantCreateDTO.cs
new file mode 100644
index 0000000000000000000000000000000000000000..3b176a868a27477e8726e63be27140cc16954e3c
--- /dev/null
+++ b/BusinessLayer/DTOs/EventParticipant/EventParticipantCreateDTO.cs
@@ -0,0 +1,17 @@
+using DAL.Enums;
+using System.ComponentModel.DataAnnotations;
+
+namespace BusinessLayer.DTOs.EventParticipant
+{
+    public class EventParticipantCreateDTO
+    {
+        [Required]
+        public Guid UserId { get; set; }
+
+        [Required]
+        public Guid EventId { get; set; }
+
+        [Required]
+        public ParticipantType Attendance { get; set; }
+    }
+}
diff --git a/BusinessLayer/DTOs/EventParticipant/EventParticipantDTO.cs b/BusinessLayer/DTOs/EventParticipant/EventParticipantDTO.cs
new file mode 100644
index 0000000000000000000000000000000000000000..0132b78e3d7e5f296710cb3e05abe9d8dbbb08e7
--- /dev/null
+++ b/BusinessLayer/DTOs/EventParticipant/EventParticipantDTO.cs
@@ -0,0 +1,17 @@
+using BusinessLayer.DTOs.Event;
+using BusinessLayer.DTOs.User;
+using DAL.Enums;
+
+namespace BusinessLayer.DTOs.EventParticipant
+{
+    public class EventParticipantDTO
+    {
+        public Guid Id { get; set; }
+        public required UserDTO User { get; set; }
+        public required EventDTO Event { get; set; }
+        public ParticipantType Attendance { get; set; }
+        public DateTime CreatedAt { get; set; }
+        public DateTime UpdatedAt { get; set; }
+        public DateTime? DeletedAt { get; set; }
+    }
+}
diff --git a/BusinessLayer/DTOs/EventParticipant/EventParticipantUpdateDTO.cs b/BusinessLayer/DTOs/EventParticipant/EventParticipantUpdateDTO.cs
new file mode 100644
index 0000000000000000000000000000000000000000..69f2298bf292388c8cc4e7095ed24e7b1f4e64b7
--- /dev/null
+++ b/BusinessLayer/DTOs/EventParticipant/EventParticipantUpdateDTO.cs
@@ -0,0 +1,11 @@
+using DAL.Enums;
+using System.ComponentModel.DataAnnotations;
+
+namespace BusinessLayer.DTOs.EventParticipant
+{
+    public class EventParticipantUpdateDTO
+    {
+        [Required]
+        public ParticipantType Attendance { get; set; }
+    }
+}
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