diff --git a/grepodata.py b/grepodata.py
new file mode 100644
index 0000000..e4b5f3e
--- /dev/null
+++ b/grepodata.py
@@ -0,0 +1,61 @@
+from flask import Flask, request, jsonify
+from flask_cors import CORS
+import json
+import os
+import re
+from datetime import datetime  # ✅ minimal timestamp support
+
+app = Flask(__name__)
+CORS(app)
+
+def sanitize_filename(name):
+    """Remove unsafe characters from filename."""
+    safe = re.sub(r'[\/:*?"<>|]', '', name)
+    return safe[:50] if len(safe) > 50 else safe
+
+def save_payload_as_player_file(payload):
+    """Save payload to a file named after the player, overwriting if exists."""
+    try:
+        player_name = payload.get("player", "default_player")
+        filename = sanitize_filename(player_name) + ".json"
+
+        with open(filename, "w", encoding="utf-8") as f:
+            json.dump(payload, f, ensure_ascii=False, indent=2)
+
+        print(f"📝 Payload saved to {filename}")
+    except Exception as e:
+        print("❌ Failed to save payload:", e)
+
+@app.route('/api/grepolis-data', methods=['POST'])
+def receive_data():
+    print("\n📬 New request to /api/grepolis-data")
+
+    try:
+        payload = request.get_json(force=True)
+        print("✅ Parsed JSON:", payload)
+
+        # Inject server-side timestamp (system time)
+        payload["server_received_at"] = datetime.now().isoformat()
+
+        save_payload_as_player_file(payload)
+
+        return jsonify({
+            "status": "success",
+            "message": "Grepolis data received and saved",
+            "server_received_at": payload["server_received_at"]
+        }), 200
+
+    except Exception as e:
+        print("❌ JSON parse error:", e)
+        return jsonify({
+            "status": "error",
+            "message": f"Invalid JSON: {str(e)}"
+        }), 400
+
+@app.errorhandler(Exception)
+def handle_error(e):
+    print("💥 Unhandled server error:", e)
+    return jsonify({"error": str(e)}), 500
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)
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