Where can I find out about Westpac credit cards?

Payments delay:

Due to an industry-wide systems maintenance, bank-to-bank payments made between 11pm Saturday and 5pm Sunday will be delayed. Payments between Westpac and other banks will leave accounts immediately but will process and appear in destination accounts on Sunday evening, after 5pm. Transfers between Westpac accounts and use of cards at stores and ATMs will be unaffected. See more at Payments NZ