diff --git a/hlog/hlog.go b/hlog/hlog.go
index 2026214..f7c3a5a 100644
--- a/hlog/hlog.go
+++ b/hlog/hlog.go
@@ -129,7 +129,12 @@ func IDFromRequest(r *http.Request) (id xid.ID, ok bool) {
 	if r == nil {
 		return
 	}
-	id, ok = r.Context().Value(idKey{}).(xid.ID)
+	return IDFromCtx(r.Context())
+}
+
+// IDFromCtx returns the unique id associated to the context if any.
+func IDFromCtx(ctx context.Context) (id xid.ID, ok bool) {
+	id, ok = ctx.Value(idKey{}).(xid.ID)
 	return
 }