{"message":"CashflowPlus API Server","version":"1.0.0","status":"running","endpoints":{"health":"/api/health","upload_ar":"/api/upload/ar (POST)","upload_ap":"/api/upload/ap (POST)","list_ar_documents":"/api/ar/documents","list_ap_documents":"/api/ap/documents","ar_kpis":"/api/ar/kpis?fileKey=<s3-key>","ap_kpis":"/api/ap/kpis?fileKey=<s3-key>","calculate_ar_recommendations":"/api/ar/calculate-recommendations (POST)","calculate_ap_recommendations":"/api/ap/calculate-recommendations (POST)","treasury_kpis":"/api/treasury/kpis?apFileKey=<s3-key>&arFileKey=<s3-key>","advance_kpis":"/api/advance/kpis?apFileKey=<s3-key>&arFileKey=<s3-key>","visa_merchant_search":"/api/visa/merchant-search (POST)"}}