diff --git a/cmd/qrbill-api/api.go b/cmd/qrbill-api/api.go
index 221df87..0fff51e 100644
--- a/cmd/qrbill-api/api.go
+++ b/cmd/qrbill-api/api.go
@@ -92,7 +92,8 @@ func logic() error {
if format != "png" &&
format != "svg" &&
format != "txt" &&
- format != "html" {
+ format != "html" &&
+ format != "wv" {
msg := fmt.Sprintf("format (%q) must be one of png, svg, txt or html", format)
log.Printf("%s %s", prefix, msg)
http.Error(w, msg, http.StatusBadRequest)
@@ -144,6 +145,33 @@ func logic() error {
case "html":
debugHTML(w, r, prefix, qrch)
+
+ case "wv":
+ w.Header().Add("Content-Type", "text/html; charset=utf-8")
+
+ r.URL.Path = "/qr"
+ v := r.URL.Query()
+ v.Set("format", "png")
+ r.URL.RawQuery = v.Encode()
+
+ fmt.Fprintf(w, `
+
+
+
+
+
+
+
+`, r.URL.String())
+
}
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control