This is a fair point, and thanks for the advice, but the form warns you before submitting[0], so I doubt it is actually contacting the payment processor. Anyway

This is a fair point, and thanks for the advice, but the form warns you before submitting[0], so I doubt it is actually contacting the payment processor. Anyway, I can't be bothered since the card works everywhere else. 0: and I don't recall, but it may not let you submit.