diff --git a/builder-registrations.json b/builder-registrations.json
index 399db88..2cf32ff 100644
--- a/builder-registrations.json
+++ b/builder-registrations.json
@@ -102,6 +102,6 @@
     {
         "name": "Eureka",
         "rpc": "rpc.eurekabuilder.xyz",
-        "supported-apis": ["refund-recipient"]
+        "supported-apis": ["refund-recipient", "cancel-endpoint"]
     }
 ]