dual BIN provider fallback

app.py

@@ -221,8 +221,7 @@ def card():
         tags.append(('<span class="tag ok">LUHN VALID</span>' if ok else '<span class="tag bad">LUHN INVALID — fake/dead number</span>'))
         brand = brand_of(num)
         bin8 = num[:8]
-        st, b = http(f"https://lookup.binlist.net/{bin8}", headers={"Accept-Version": "3"})
-        bl = jf(b) or {}
+        bl = bin_lookup(bin8)
         bank = (bl.get("bank") or {}).get("name", "—")
         country = (bl.get("country") or {}).get("name", "—")
         ctype = bl.get("type", "—")
@@ -254,13 +253,23 @@ var v=this.value.replace(/\\D/g,'').slice(0,19);this.value=v.replace(/(.{{4}})/g
 {result}"""
     return page("card", body)
 
+def bin_lookup(bin8):
+    st, b = http(f"https://lookup.binlist.net/{bin8}", headers={"Accept-Version": "3"})
+    bl = jf(b) or {}
+    if not bl.get("bank") and not bl.get("type") and not bl.get("scheme"):
+        st, b = http(f"https://data.handyapi.com/bin/{bin8}")
+        h = jf(b) or {}
+        if h.get("Status") == "SUCCESS":
+            return {"bank": {"name": h.get("Issuer")}, "country": {"name": h.get("Country", {}).get("Name") if isinstance(h.get("Country"), dict) else h.get("Country")},
+                    "type": str(h.get("Type", "")).lower() or None, "prepaid": "prepaid" in str(h.get("Type","")).lower() or None, "scheme": h.get("Scheme")}
+    return bl
+
 @app.route("/api/card", methods=["POST"])
 def api_card():
     num = re.sub(r"\D", "", param("num") or "")[:19]
     if not num: return jsonify({"ok": False, "error": "num required"})
     ok = luhn_ok(num)
-    st, b = http(f"https://lookup.binlist.net/{num[:8]}", headers={"Accept-Version": "3"})
-    bl = jf(b) or {}
+    bl = bin_lookup(num[:8])
     return jsonify({"ok": True, "luhn": ok, "brand": brand_of(num), "length_ok": len(num) in
         {"Visa":(13,16,19),"Mastercard":(16,),"Amex":(15,)}.get(brand_of(num),(13,15,16,19)),
         "bin": {"issuer": (bl.get("bank") or {}).get("name"), "country": (bl.get("country") or {}).get("name"),