diff --git a/api/agent.go b/api/agent.go
index 1893d1cf359d..35c0676b517b 100644
--- a/api/agent.go
+++ b/api/agent.go
@@ -25,6 +25,8 @@ type AgentService struct {
 	Port              int
 	Address           string
 	EnableTagOverride bool
+	CreateIndex       uint64
+	ModifyIndex       uint64
 }
 
 // AgentMember represents a cluster member known to the agent
diff --git a/api/catalog.go b/api/catalog.go
index 96226f11f897..36b088249e89 100644
--- a/api/catalog.go
+++ b/api/catalog.go
@@ -6,6 +6,8 @@ type Node struct {
 	Address         string
 	TaggedAddresses map[string]string
 	Meta            map[string]string
+	CreateIndex     uint64
+	ModifyIndex     uint64
 }
 
 type CatalogService struct {