可以透過綠界「非信用卡幕後取號API」，直接於後端取得所需的ATM、CVS、BARCODE繳費代碼。
文件請參考: https://developers.ecpay.com.tw/?p=27950
How to obtain ATM, CVS, and BARCODE payment codes without going through the ECPay interface?
You can utilize ECPay’s THIS API to directly obtain the required ATM, CVS, and BARCODE payment codes from the backend.