I did not find such information on the allpay.com.tw website.
I have got an answer from allPay support (they always respond in Chinese even if a question was asked in English):
您好:
向您說明,目前註冊歐付寶會員每月的收/付款額度上限需視會員級別而定。
※提供您歐付寶會員級別總覽: https://www.allpay.com.tw/Business/member_fees
另提供您各金流的付款上限:
- WEB ATM: 單筆3萬元額度上限
- ATM櫃員機: 使用"轉帳"功能,單筆上限為3萬元;使用"繳費"功能,可超過3萬上限。
- 超商代碼付款: 單筆2萬元額度上限。
- 歐付寶帳戶: 依付款方的會員級別而定。
- 信用卡: 依付款方的會員級別以及信用卡本身可用的額度而定。
As I understand:
- ATM, WebATM: upper limit for a single payment is 30.000 TWD.
- Barcode, CVS: upper limit for a single payment is 20.000 TWD.
- Bank Card: upper limit depends on a merchant’s membership level within allPay and on the bank card itself.
It is implemented in my extension: