diff --git a/etiquette/jsonify.py b/etiquette/jsonify.py
index d1bb5ba..5105ae1 100644
--- a/etiquette/jsonify.py
+++ b/etiquette/jsonify.py
@@ -5,6 +5,7 @@ dictionaries suitable for JSON serializing.
 
 def album(a, minimal=False):
     j = {
+        'type': 'album',
         'id': a.id,
         'description': a.description,
         'title': a.title,
@@ -19,6 +20,7 @@ def album(a, minimal=False):
 
 def bookmark(b):
     j = {
+        'type': 'bookmark',
         'id': b.id,
         'author': user_or_none(b.get_author()),
         'url': b.url,
@@ -28,6 +30,7 @@ def bookmark(b):
 
 def exception(e):
     j = {
+        'type': 'error',
         'error_type': e.error_type,
         'error_message': e.error_message,
     }
@@ -37,6 +40,7 @@ def photo(p, include_albums=True, include_tags=True):
     tags = p.get_tags()
     tags.sort(key=lambda x: x.name)
     j = {
+        'type': 'photo',
         'id': p.id,
         'author': user_or_none(p.get_author()),
         'extension': p.extension,
@@ -64,6 +68,7 @@ def photo(p, include_albums=True, include_tags=True):
 
 def tag(t, include_synonyms=False, minimal=False):
     j = {
+        'type': 'tag',
         'id': t.id,
         'name': t.name,
     }
@@ -78,6 +83,7 @@ def tag(t, include_synonyms=False, minimal=False):
 
 def user(u):
     j = {
+        'type': 'user',
         'id': u.id,
         'username': u.username,
         'created': u.created,