diff --git a/cmd/charger.go b/cmd/charger.go
index 5ed4a1312..818088d45 100644
--- a/cmd/charger.go
+++ b/cmd/charger.go
@@ -1,12 +1,15 @@
 package cmd
 
 import (
+	"fmt"
 	"strconv"
+	"strings"
 
 	"github.com/evcc-io/evcc/api"
 	"github.com/evcc-io/evcc/cmd/shutdown"
 	"github.com/evcc-io/evcc/server"
 	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/request"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -22,11 +25,12 @@ const noCurrent = -1
 
 func init() {
 	rootCmd.AddCommand(chargerCmd)
-	chargerCmd.PersistentFlags().StringP(flagName, "n", "", "select charger by name")
-	chargerCmd.PersistentFlags().IntP(flagCurrent, "I", noCurrent, "set current")
-	chargerCmd.PersistentFlags().BoolP(flagEnable, "e", false, flagEnable)
-	chargerCmd.PersistentFlags().BoolP(flagDisable, "d", false, flagDisable)
-	chargerCmd.PersistentFlags().BoolP(flagWakeup, "w", false, flagWakeup)
+	chargerCmd.PersistentFlags().StringP(flagName, "n", "", fmt.Sprintf(flagNameDescription, "charger"))
+	chargerCmd.PersistentFlags().IntP(flagCurrent, "I", noCurrent, flagCurrentDescription)
+	chargerCmd.PersistentFlags().BoolP(flagEnable, "e", false, strings.Title(flagEnable))
+	chargerCmd.PersistentFlags().BoolP(flagDisable, "d", false, strings.Title(flagDisable))
+	chargerCmd.PersistentFlags().BoolP(flagWakeup, "w", false, flagWakeupDescription)
+	chargerCmd.PersistentFlags().Bool(flagHeaders, false, flagHeadersDescription)
 }
 
 func runCharger(cmd *cobra.Command, args []string) {
@@ -44,6 +48,11 @@ func runCharger(cmd *cobra.Command, args []string) {
 		log.FATAL.Fatal(err)
 	}
 
+	// full http request log
+	if cmd.PersistentFlags().Lookup(flagHeaders).Changed {
+		request.LogHeaders = true
+	}
+
 	// select single charger
 	if name := cmd.PersistentFlags().Lookup(flagName).Value.String(); name != "" {
 		for _, cfg := range conf.Chargers {
diff --git a/cmd/flags.go b/cmd/flags.go
index 73cd0f212..28b218cea 100644
--- a/cmd/flags.go
+++ b/cmd/flags.go
@@ -1,11 +1,24 @@
 package cmd
 
 const (
-	flagName    = "name"
-	flagCurrent = "current"
+	flagHeaders            = "log-headers"
+	flagHeadersDescription = "Log headers"
+
+	flagName            = "name"
+	flagNameDescription = "Select %s by name"
+
+	flagCurrent            = "current"
+	flagCurrentDescription = "Set maximum current"
+
 	flagEnable  = "enable"
 	flagDisable = "disable"
-	flagWakeup  = "wakeup"
-	flagStart   = "start"
-	flagStop    = "stop"
+
+	flagWakeup            = "wakeup"
+	flagWakeupDescription = "Wake up"
+
+	flagStart            = "start"
+	flagStartDescription = "Start charging"
+
+	flagStop            = "stop"
+	flagStopDescription = "Stop charging"
 )
diff --git a/cmd/meter.go b/cmd/meter.go
index b00d7d2ae..32cf34f81 100644
--- a/cmd/meter.go
+++ b/cmd/meter.go
@@ -1,9 +1,12 @@
 package cmd
 
 import (
+	"fmt"
+
 	"github.com/evcc-io/evcc/api"
 	"github.com/evcc-io/evcc/server"
 	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/request"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -17,7 +20,8 @@ var meterCmd = &cobra.Command{
 
 func init() {
 	rootCmd.AddCommand(meterCmd)
-	meterCmd.PersistentFlags().StringP("name", "n", "", "select meter by name")
+	meterCmd.PersistentFlags().StringP(flagName, "n", "", fmt.Sprintf(flagNameDescription, "meter"))
+	meterCmd.PersistentFlags().Bool(flagHeaders, false, flagHeadersDescription)
 }
 
 func runMeter(cmd *cobra.Command, args []string) {
@@ -35,6 +39,11 @@ func runMeter(cmd *cobra.Command, args []string) {
 		log.FATAL.Fatal(err)
 	}
 
+	// full http request log
+	if cmd.PersistentFlags().Lookup(flagHeaders).Changed {
+		request.LogHeaders = true
+	}
+
 	// select single meter
 	if name := cmd.PersistentFlags().Lookup("name").Value.String(); name != "" {
 		for _, cfg := range conf.Meters {
diff --git a/cmd/root.go b/cmd/root.go
index 0a68087f6..d67cd3915 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -17,6 +17,7 @@ import (
 	"github.com/evcc-io/evcc/server/updater"
 	"github.com/evcc-io/evcc/util"
 	"github.com/evcc-io/evcc/util/pipe"
+	"github.com/evcc-io/evcc/util/request"
 	"github.com/evcc-io/evcc/util/sponsor"
 	"github.com/grandcat/zeroconf"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -71,33 +72,19 @@ func init() {
 	cobra.OnInitialize(initConfig)
 	configureCommand(rootCmd)
 
-	rootCmd.PersistentFlags().StringP(
-		"uri", "u",
-		"0.0.0.0:7070",
-		"Listen address",
-	)
+	rootCmd.PersistentFlags().StringP("uri", "u", "0.0.0.0:7070", "Listen address")
 	bind(rootCmd, "uri")
 
-	rootCmd.PersistentFlags().DurationP(
-		"interval", "i",
-		10*time.Second,
-		"Update interval",
-	)
+	rootCmd.PersistentFlags().DurationP("interval", "i", 10*time.Second, "Update interval")
 	bind(rootCmd, "interval")
 
-	rootCmd.PersistentFlags().Bool(
-		"metrics",
-		false,
-		"Expose metrics",
-	)
+	rootCmd.PersistentFlags().Bool("metrics", false, "Expose metrics")
 	bind(rootCmd, "metrics")
 
-	rootCmd.PersistentFlags().Bool(
-		"profile",
-		false,
-		"Expose pprof profiles",
-	)
+	rootCmd.PersistentFlags().Bool("profile", false, "Expose pprof profiles")
 	bind(rootCmd, "profile")
+
+	rootCmd.PersistentFlags().Bool(flagHeaders, false, flagHeadersDescription)
 }
 
 // initConfig reads in config file and ENV variables if set
@@ -163,6 +150,11 @@ func run(cmd *cobra.Command, args []string) {
 		log.FATAL.Fatal(err)
 	}
 
+	// full http request log
+	if cmd.PersistentFlags().Lookup(flagHeaders).Changed {
+		request.LogHeaders = true
+	}
+
 	// setup loadpoints
 	cp.TrackVisitors() // track duplicate usage
 
diff --git a/cmd/vehicle.go b/cmd/vehicle.go
index 35fbdfd05..d5f4bcdfc 100644
--- a/cmd/vehicle.go
+++ b/cmd/vehicle.go
@@ -1,9 +1,12 @@
 package cmd
 
 import (
+	"fmt"
+
 	"github.com/evcc-io/evcc/api"
 	"github.com/evcc-io/evcc/server"
 	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/request"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -17,10 +20,11 @@ var vehicleCmd = &cobra.Command{
 
 func init() {
 	rootCmd.AddCommand(vehicleCmd)
-	vehicleCmd.PersistentFlags().StringP(flagName, "n", "", "select vehicle by name")
-	vehicleCmd.PersistentFlags().BoolP(flagStart, "a", false, "start charge")
-	vehicleCmd.PersistentFlags().BoolP(flagStop, "o", false, "stop charge")
-	vehicleCmd.PersistentFlags().BoolP(flagWakeup, "w", false, flagWakeup)
+	vehicleCmd.PersistentFlags().StringP(flagName, "n", "", fmt.Sprintf(flagNameDescription, "vehicle"))
+	vehicleCmd.PersistentFlags().BoolP(flagStart, "a", false, flagStartDescription)
+	vehicleCmd.PersistentFlags().BoolP(flagStop, "o", false, flagStopDescription)
+	vehicleCmd.PersistentFlags().BoolP(flagWakeup, "w", false, flagWakeupDescription)
+	vehicleCmd.PersistentFlags().Bool(flagHeaders, false, flagHeadersDescription)
 }
 
 func runVehicle(cmd *cobra.Command, args []string) {
@@ -38,6 +42,11 @@ func runVehicle(cmd *cobra.Command, args []string) {
 		log.FATAL.Fatal(err)
 	}
 
+	// full http request log
+	if cmd.PersistentFlags().Lookup(flagHeaders).Changed {
+		request.LogHeaders = true
+	}
+
 	// select single charger
 	if name := cmd.PersistentFlags().Lookup(flagName).Value.String(); name != "" {
 		for _, cfg := range conf.Vehicles {