diff --git a/waybackpy/availability_api.py b/waybackpy/availability_api.py
index 7476b3e..a132057 100644
--- a/waybackpy/availability_api.py
+++ b/waybackpy/availability_api.py
@@ -96,4 +96,5 @@ class WaybackMachineAvailabilityAPI:
             )
 
         self.payload["timestamp"] = timestamp
+        self.json()
         return self