diff --git a/internal/configuration/request/request.go b/internal/configuration/request/request.go
index 120c2db..1c3fafd 100644
--- a/internal/configuration/request/request.go
+++ b/internal/configuration/request/request.go
@@ -22,15 +22,16 @@ func initDataOption() {
 	cobraParamName := "data"
 	cobraValue := new(customtypes.String)
 	defaultValue := customtypes.String("")
+	envVar := "PINGCTL_REQUEST_DATA"
 
 	options.RequestDataOption = options.Option{
 		CobraParamName:  cobraParamName,
 		CobraParamValue: cobraValue,
 		DefaultValue:    &defaultValue,
-		EnvVar:          "", // No environment variable
+		EnvVar:          envVar,
 		Flag: &pflag.Flag{
 			Name:     cobraParamName,
-			Usage:    "The data to send in the request. Use prefix '@' to specify data filepath instead of raw data.",
+			Usage:    fmt.Sprintf("The data to send in the request. Use prefix '@' to specify data filepath instead of raw data. Also configurable via environment variable %s.", envVar),
 			Value:    cobraValue,
 			DefValue: "",
 		},