yeah. Looks like it's configurable.

https://bitcoin.stackexchange.com/questions/12033/how-many-c...

https://bitpay.com/downloads/bitpayApi.pdf “transactionSpeed” - "medium" An invoice is considered to be "confirmed" after 1 block confirmation (~10 minutes).

BitPay doesn't wait for anything; it's the merchant that chooses how many confirmations to wait for (and incurs the risk of this choice).