diff --git a/hc/accounts/migrations/0019_project_badge_key.py b/hc/accounts/migrations/0019_project_badge_key.py
new file mode 100644
index 00000000..645918f6
--- /dev/null
+++ b/hc/accounts/migrations/0019_project_badge_key.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.1.5 on 2019-01-12 19:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0018_auto_20190112_1426'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='project',
+            name='badge_key',
+            field=models.CharField(blank=True, max_length=150, null=True),
+        ),
+    ]
diff --git a/hc/accounts/migrations/0020_auto_20190112_1950.py b/hc/accounts/migrations/0020_auto_20190112_1950.py
new file mode 100644
index 00000000..6e6ebe3f
--- /dev/null
+++ b/hc/accounts/migrations/0020_auto_20190112_1950.py
@@ -0,0 +1,21 @@
+# Generated by Django 2.1.5 on 2019-01-12 19:50
+
+from django.db import migrations
+
+
+def set_badge_key(apps, schema_editor):
+    Project = apps.get_model("accounts", "Project")
+    for project in Project.objects.select_related("owner").all():
+        project.badge_key = project.owner.username
+        project.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0019_project_badge_key'),
+    ]
+
+    operations = [
+        migrations.RunPython(set_badge_key, migrations.RunPython.noop),
+    ]
diff --git a/hc/accounts/models.py b/hc/accounts/models.py
index 3ead56a2..52c34323 100644
--- a/hc/accounts/models.py
+++ b/hc/accounts/models.py
@@ -240,6 +240,7 @@ class Project(models.Model):
     owner = models.ForeignKey(User, models.CASCADE)
     api_key = models.CharField(max_length=128, blank=True)
     api_key_readonly = models.CharField(max_length=128, blank=True)
+    badge_key = models.CharField(max_length=150, blank=True, null=True)
 
 
 class Member(models.Model):
diff --git a/hc/accounts/tests/test_signup.py b/hc/accounts/tests/test_signup.py
index aa2150b4..fbca78a0 100644
--- a/hc/accounts/tests/test_signup.py
+++ b/hc/accounts/tests/test_signup.py
@@ -26,6 +26,7 @@ class SignupTestCase(TestCase):
         # A project should have been created
         project = Project.objects.get()
         self.assertEqual(project.owner, user)
+        self.assertEqual(project.badge_key, user.username)
 
         # And check should be associated with the new user
         check = Check.objects.get()
diff --git a/hc/accounts/views.py b/hc/accounts/views.py
index c571ca31..4b68a59b 100644
--- a/hc/accounts/views.py
+++ b/hc/accounts/views.py
@@ -50,6 +50,7 @@ def _make_user(email):
     user.save()
 
     project = Project(owner=user)
+    project.badge_key = user.username
     project.save()
 
     # Ensure a profile gets created