If you are a AmEx Cobalt cardholder, you should check your email box now. There is high chance that you may get this following offer: On October 5th, 2018, when you spend $35 or more on Amazon.ca with your registered AmEx Cobalt Card you can earn 1,000 Membership Rewards points.
To be eligible for this offer, be sure to register your Card between now and October 5th 2018. After you’ve registered for the offer, spend $35 or more (after taxes and shipping) on Amazon.ca with your registered Cobalt Card on October 5th, 2018 to earn 1,000 points.
Some friends said that they never got any offers from AmEx Cobalt. You should go to this website to check if you are opt-in for email offers: