diff --git a/handlers.go b/handlers.go
index be60509..b904b68 100644
--- a/handlers.go
+++ b/handlers.go
@@ -70,8 +70,10 @@ func (f *faucet) registerHandlers(api *apirest.API) {
 // Returns the list of supported auth types
 func (f *faucet) authTypesHandler(_ *apirest.APIdata, ctx *httprouter.HTTPContext) error {
 	data := &AuthTypes{
-		AuthTypes: f.authTypes,
+		AuthTypes:   f.authTypes,
+		WaitSeconds: uint64(f.waitPeriod.Seconds()),
 	}
+
 	return ctx.Send(new(HandlerResponse).Set(data).MustMarshall(), apirest.HTTPstatusOK)
 }
 
diff --git a/types.go b/types.go
index cad2b32..f0816e6 100644
--- a/types.go
+++ b/types.go
@@ -4,7 +4,8 @@ import "fmt"
 
 // AuthTypes is a struct to return the supported authentication types.
 type AuthTypes struct {
-	AuthTypes map[string]uint64 `json:"auth"`
+	AuthTypes   map[string]uint64 `json:"auth"`
+	WaitSeconds uint64            `json:"waitSeconds"`
 }
 
 var errAddressAlreadyFunded = fmt.Errorf("address already funded")