Cashback portals like Rakuten and browser extensions like Capital One Shopping occasionally add Amazon offers, usually on specific subsections such as Whole Foods, Amazon Fresh, or device promotions. Full-catalog Amazon cashback is uncommon because Amazon does not run a persistent affiliate offer through these networks.
Install the portal's browser extension or bookmark its Amazon offer page.
Before checking out on Amazon, click through the portal link to activate tracking.
Cashback posts to the portal account, usually 30–90 days after purchase, and can be paid by check, PayPal, or gift card.
Shoppers who already use a portal for other retailers — stacking an occasional Amazon offer on top of a rewards card is free extra money.
Portals rarely cover the full Amazon catalog and offers rotate. Don't count on a specific rate; treat portal cashback as a bonus, not a base plan.