diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29f47579..f95d9d13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Bumped ingress timeout in Helm chart to reflect AWS gateway timeout
 - SDAP-399: Updated quickstart guide for standalone docker deployment of SDAP.
 - SDAP-399: Updated quickstart Jupyter notebook
+- fix: enable tile_search endpoint + fix: Object of type is not JSON serializable
 ### Deprecated
 ### Removed
 - removed dropdown from matchup doms endpoint secondary param
diff --git a/analysis/webservice/algorithms/TileSearch.py b/analysis/webservice/algorithms/TileSearch.py
index 321d94fe..8c1ad332 100644
--- a/analysis/webservice/algorithms/TileSearch.py
+++ b/analysis/webservice/algorithms/TileSearch.py
@@ -14,11 +14,12 @@
 # limitations under the License.
 
 
+from webservice.NexusHandler import nexus_handler
 from webservice.algorithms.NexusCalcHandler import NexusCalcHandler
 from webservice.webmodel import NexusResults
 
 
-# @nexus_handler
+@nexus_handler
 class ChunkSearchCalcHandlerImpl(NexusCalcHandler):
     name = "Data Tile Search"
     path = "/tiles"
diff --git a/data-access/nexustiles/model/nexusmodel.py b/data-access/nexustiles/model/nexusmodel.py
index f5c9df64..82ea9f82 100644
--- a/data-access/nexustiles/model/nexusmodel.py
+++ b/data-access/nexustiles/model/nexusmodel.py
@@ -38,6 +38,15 @@ class TileVariable:
     variable_name: str = None
     standard_name: str = None
 
+    def __str__(self) -> str:
+        return str({
+            'variable_name': self.variable_name,
+            'standard_name': self.standard_name,
+        })
+
+    def __repr__(self) -> str:
+        return self.__str__()
+
 
 @dataclass
 class Tile(object):