diff --git a/api/serializers.py b/api/serializers.py
index 380a849..9588991 100644
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -13,6 +13,7 @@ from api.tokens import account_activation_token
 
 from shared.cryptography import encryption_util
 from tournaments.models.draw_log import DrawLog
+from tournaments.models.enums import UserOrigin
 
 class EncryptedUserField(serializers.Field):
     def to_representation(self, value):
@@ -69,6 +70,7 @@ class UserSerializer(serializers.ModelSerializer):
             group_stage_match_format_preference=validated_data.get('group_stage_match_format_preference'),
             loser_bracket_match_format_preference=validated_data.get('loser_bracket_match_format_preference'),
             loser_bracket_mode=validated_data.get('loser_bracket_mode'),
+            origin=UserOrigin.APP,
         )
 
         self.send_email(self.context['request'], user)
diff --git a/tournaments/admin.py b/tournaments/admin.py
index 2bfaf36..e06ad45 100644
--- a/tournaments/admin.py
+++ b/tournaments/admin.py
@@ -27,7 +27,7 @@ class CustomUserAdmin(UserAdmin):
             'summons_message_body', 'summons_message_signature', 'summons_available_payment_methods',
             'summons_display_format', 'summons_display_entry_fee', 'summons_use_full_custom_message',
             'match_formats_default_duration', 'bracket_match_format_preference', 'group_stage_match_format_preference',
-            'loser_bracket_match_format_preference', 'device_id', 'loser_bracket_mode', 'groups'
+            'loser_bracket_match_format_preference', 'device_id', 'loser_bracket_mode', 'groups', 'origin'
         ]}),
         ]
     add_fieldsets = [
diff --git a/tournaments/migrations/0107_customuser_origin.py b/tournaments/migrations/0107_customuser_origin.py
new file mode 100644
index 0000000..2e88038
--- /dev/null
+++ b/tournaments/migrations/0107_customuser_origin.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1 on 2025-01-28 07:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tournaments', '0106_alter_customuser_licence_id'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='customuser',
+            name='origin',
+            field=models.IntegerField(blank=True, choices=[(0, 'Admin'), (1, 'Site'), (2, 'App')], default=0, null=True),
+        ),
+    ]
diff --git a/tournaments/models/__init__.py b/tournaments/models/__init__.py
index 3920dde..f076f05 100644
--- a/tournaments/models/__init__.py
+++ b/tournaments/models/__init__.py
@@ -2,7 +2,7 @@ from .custom_user import CustomUser
 from .club import Club
 from .court import Court
 from .date_interval import DateInterval
-from .enums import TournamentPayment, FederalCategory, FederalLevelCategory, FederalAgeCategory, FederalMatchCategory, OnlineRegistrationStatus
+from .enums import UserOrigin, TournamentPayment, FederalCategory, FederalLevelCategory, FederalAgeCategory, FederalMatchCategory, OnlineRegistrationStatus
 from .player_enums import PlayerSexType, PlayerDataSource, PlayerPaymentType
 from .event import Event
 from .tournament import Tournament, TeamSummon, TeamSortingType, TeamItem
diff --git a/tournaments/models/custom_user.py b/tournaments/models/custom_user.py
index e49d474..befa50d 100644
--- a/tournaments/models/custom_user.py
+++ b/tournaments/models/custom_user.py
@@ -32,6 +32,8 @@ class CustomUser(AbstractUser):
     device_id = models.CharField(max_length=50, null=True, blank=True)
     loser_bracket_mode = models.IntegerField(default=0)
 
+    origin = models.IntegerField(default=enums.UserOrigin.ADMIN, choices=enums.UserOrigin.choices, null=True, blank=True)
+
     ### ### ### ### ### ### ### ### ### ### ### WARNING ### ### ### ### ### ### ### ### ### ###
     ### WARNING : Any added field MUST be inserted in the method below: fields_for_update() ###
     ### ### ### ### ### ### ### ### ### ### ### WARNING ### ### ### ### ### ### ### ### ### ###
@@ -43,7 +45,7 @@ class CustomUser(AbstractUser):
             'summons_message_body', 'summons_message_signature', 'summons_available_payment_methods',
             'summons_display_format', 'summons_display_entry_fee',
             'summons_use_full_custom_message', 'match_formats_default_duration', 'bracket_match_format_preference',
-            'group_stage_match_format_preference', 'loser_bracket_match_format_preference', 'device_id', 'loser_bracket_mode']
+            'group_stage_match_format_preference', 'loser_bracket_match_format_preference', 'device_id', 'loser_bracket_mode', 'origin']
 
     def __str__(self):
         return self.username
diff --git a/tournaments/models/enums.py b/tournaments/models/enums.py
index 0ee32ce..3269327 100644
--- a/tournaments/models/enums.py
+++ b/tournaments/models/enums.py
@@ -1,6 +1,11 @@
 from django.db import models
 import uuid
 
+class UserOrigin(models.IntegerChoices):
+    ADMIN = 0, 'Admin'
+    SITE = 1, 'Site'
+    APP = 2, 'App'
+
 class TournamentPayment(models.IntegerChoices):
     FREE = 0, 'Gratuit'
     UNIT = 1, 'Unité'
diff --git a/tournaments/views.py b/tournaments/views.py
index 2d84130..7ed4012 100644
--- a/tournaments/views.py
+++ b/tournaments/views.py
@@ -14,7 +14,7 @@ from django.core.files.base import ContentFile
 
 from tournaments.models.device_token import DeviceToken
 
-from .models import Court, DateInterval, Club, Tournament, CustomUser, Event, Round, GroupStage, Match, TeamScore, TeamRegistration, PlayerRegistration, Purchase, FailedApiCall
+from .models import Court, DateInterval, Club, Tournament, CustomUser, Event, Round, GroupStage, Match, TeamScore, TeamRegistration, PlayerRegistration, Purchase, FailedApiCall, UserOrigin
 from .models import TeamSummon
 from datetime import datetime, timedelta
 import time
@@ -627,6 +627,7 @@ def signup(request):
         if form.is_valid():
             user = form.save(commit=False)
             user.is_active = False
+            user.origin = UserOrigin.SITE
             user.save()
 
             send_verification_email(request, user, next_url)