diff --git a/api/v1alpha1/usersignup_types.go b/api/v1alpha1/usersignup_types.go
index e470d644..6d1c1d42 100644
--- a/api/v1alpha1/usersignup_types.go
+++ b/api/v1alpha1/usersignup_types.go
@@ -43,6 +43,10 @@ const (
 	// UserSignupCaptchaAnnotatedAssessmentAnnotationKey is set if the last captcha assessment for the user was annotated as fraudulent or legitimate
 	UserSignupCaptchaAnnotatedAssessmentAnnotationKey = LabelKeyPrefix + "captcha-annotated-assessment"
 
+	// UserSignupRequestReceivedTimeAnnotationKey is used for the timestamp when the request to create/reactivate UserSignup was received
+	// The time is stored in time.RFC3339 format, the reason is that the main purpose of the metric is to track the UX of the users, and milliseconds don't really matter in that case
+	UserSignupRequestReceivedTimeAnnotationKey = LabelKeyPrefix + "request-received-time"
+
 	// UserSignupUserEmailHashLabelKey is used for the usersignup email hash label key
 	UserSignupUserEmailHashLabelKey = LabelKeyPrefix + "email-hash"
 	// UserSignupUserPhoneHashLabelKey is used for the usersignup phone hash label key