diff --git a/annotationengine/api.py b/annotationengine/api.py
index 3138031..80a9f0c 100644
--- a/annotationengine/api.py
+++ b/annotationengine/api.py
@@ -16,6 +16,8 @@
 from caveclient.auth import AuthClient
 import werkzeug
 import traceback
+import datetime
+import pytz
 
 from annotationengine.aligned_volume import (
     get_aligned_volumes,
@@ -100,6 +102,14 @@ def handle_invalid_usage(error):
     location="args",
     help="whether to only return valid items",
 )
+query_parser.add_argument(
+    "timestamp",
+    type=str,
+    default=None,
+    location="args",
+    required=False,
+    help="timestamp for filtering results (will default to now if not required)",
+)
 
 
 def check_aligned_volume(aligned_volume):
@@ -243,11 +253,19 @@ def put(self, aligned_volume_name: str) -> FullMetadataSchema:
     @api_bp.expect(query_parser)
     def get(self, aligned_volume_name: str):
         """Get list of annotation tables for a aligned_volume"""
+        args = query_parser.parse_args()
+        timestamp_str = args.get("timestamp", None)
+        if timestamp_str is None:
+            timestamp = datetime.datetime.now(datetime.timezone.utc)
+        else:
+            timestamp = datetime.datetime.strptime(timestamp_str, '%Y-%m-%dT%H:%M:%S.%f')
+            timestamp = pytz.utc.localize(timestamp)
+        
         check_aligned_volume(aligned_volume_name)
         db = get_db(aligned_volume_name)
-        args = query_parser.parse_args()
         tables = db.database._get_existing_table_names(
-            filter_valid=args.get("filter_valid", True)
+            filter_valid=args.get("filter_valid", True),
+            filter_timestamp=timestamp
         )
         return tables, 200
 
diff --git a/requirements.txt b/requirements.txt
index ede4846..ab77ef7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ decorator==5.1.1
     # via ipython
 deprecated==1.2.13
     # via redis
-dynamicannotationdb==5.8.1
+dynamicannotationdb==5.14.1
     # via -r requirements.in
 emannotationschemas==5.24.12
     # via