How many attempts do I have?
If the OTP is entered incorrectly you will be prompted to re-enter. You will have 3 attempts. After 3 failed attempts the passcode will expire and another OTP will need to be requested. The same method will not be available.
https://www.beyondbank.com.au/need-help/how-may-otp-attempts-do-i-have-with-google-pay