diff --git a/pinry/api/api.py b/pinry/api/api.py
index 36655d2..783bdf1 100644
--- a/pinry/api/api.py
+++ b/pinry/api/api.py
@@ -2,12 +2,17 @@ from tastypie.resources import ModelResource
 from tastypie import fields
 from tastypie.authorization import DjangoAuthorization
 
-from django.contrib.auth.models import User
+from pinry.core.models import User
 
 from pinry.pins.models import Pin
 
 
 class UserResource(ModelResource):
+    gravatar = fields.CharField()
+
+    def dehydrate_gravatar(self, bundle):
+        return bundle.obj.gravatar
+
     class Meta:
         queryset = User.objects.all()
         resource_name = 'user'
diff --git a/pinry/core/models.py b/pinry/core/models.py
index e69de29..0557b7e 100644
--- a/pinry/core/models.py
+++ b/pinry/core/models.py
@@ -0,0 +1,10 @@
+import hashlib
+from django.contrib.auth.models import User as BaseUser
+
+class User(BaseUser):
+    @property
+    def gravatar(self):
+        return hashlib.md5(self.email).hexdigest()
+
+    class Meta:
+        proxy = True
\ No newline at end of file