diff --git a/cmd/rpcdaemon/cli/config.go b/cmd/rpcdaemon/cli/config.go
index 69fc159b8..beacc408b 100644
--- a/cmd/rpcdaemon/cli/config.go
+++ b/cmd/rpcdaemon/cli/config.go
@@ -72,7 +72,7 @@ func RootCommand() (*cobra.Command, *httpcfg.HttpCfg) {
 	rootCmd.PersistentFlags().StringSliceVar(&cfg.HttpCORSDomain, "http.corsdomain", []string{}, "Comma separated list of domains from which to accept cross origin requests (browser enforced)")
 	rootCmd.PersistentFlags().StringSliceVar(&cfg.HttpVirtualHost, "http.vhosts", node.DefaultConfig.HTTPVirtualHosts, "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.")
 	rootCmd.PersistentFlags().BoolVar(&cfg.HttpCompression, "http.compression", true, "Disable http compression")
-	rootCmd.PersistentFlags().StringSliceVar(&cfg.API, "http.api", []string{"eth", "erigon"}, "API's offered over the HTTP-RPC interface: eth,engine,erigon,web3,net,debug,trace,txpool,db,starknet. Supported methods: https://github.com/ledgerwatch/erigon/tree/devel/cmd/rpcdaemon")
+	rootCmd.PersistentFlags().StringSliceVar(&cfg.API, "http.api", []string{"eth", "erigon", "engine"}, "API's offered over the HTTP-RPC interface: eth,engine,erigon,web3,net,debug,trace,txpool,db,starknet. Supported methods: https://github.com/ledgerwatch/erigon/tree/devel/cmd/rpcdaemon")
 	rootCmd.PersistentFlags().Uint64Var(&cfg.Gascap, "rpc.gascap", 50000000, "Sets a cap on gas that can be used in eth_call/estimateGas")
 	rootCmd.PersistentFlags().Uint64Var(&cfg.MaxTraces, "trace.maxtraces", 200, "Sets a limit on traces that can be returned in trace_filter")
 	rootCmd.PersistentFlags().BoolVar(&cfg.WebsocketEnabled, "ws", false, "Enable Websockets")
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index c8be9ddc5..a19a87270 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -368,7 +368,7 @@ var (
 	HTTPApiFlag = cli.StringFlag{
 		Name:  "http.api",
 		Usage: "API's offered over the HTTP-RPC interface",
-		Value: "eth,erigon",
+		Value: "eth,erigon,engine",
 	}
 	RpcBatchConcurrencyFlag = cli.UintFlag{
 		Name:  "rpc.batch.concurrency",