Cosm: Shopping portal cashback & miles rates
cosm.com
Checked 20h ago · 4 portals compared
Every portal below pays you for starting your Cosm purchase there: they split the commission they get from Cosm with you. Same store, same checkout, same order, but cashback or miles on top. New here? How portals work
Best Cosm rate right now
Best right now
Verdict:
0 rate changes in the 45 days we've tracked it. TopCashback has held the top cashback rate longest: 45 of 45 days.
Cashback
What doesn't earn
Cosm does not support Missing Cash Back Inquiries.
Category rates & exclusions
- Online Purchase · most items 15%
Exclusions: - Use of a coupon code not displayed on TopCashback. Terms: - Cash Back is calculated only on the item(s) price and does not include taxes, shipping or other fees. - Cash Back earned cannot exceed the total purchase amount. - Should your Cash Back fail to track automatically, please submit a Missing Cash Back Claim within 100 days of your order.
Details last checked 7d ago.
Joining a portal through a link here may earn us a referral bonus; it never changes these rates or their order. Details
How this tool is funded
Some links here are referral links: if you join a portal through one, that portal may pay us a referral bonus. It never changes the rates we show or how we rank them. How we make money
Best play
Stack the portal with the right card: the same purchase earns two ways.
Also fits: Bank of America Customized Cash Rewards (3% back on online retail) · Amex Blue Business Plus (2x Amex points on everything)
Card earn rates are our own notes, not live data. Issuer caps and terms apply, so double-check before counting on one.
Rate history last 21 days
Full history →Each line follows the best rate on offer at that moment, whoever was paying it. Currently: Cashback via RebatesMe. Same scale, different currencies: "3" means 3% cash, 3 pts/$, or 3 mi/$.
Every account sees the last 21 days here. Premium goes back to day one.
Common questions
Which shopping portal pays the most at Cosm? +
Right now 15% on RebatesMe leads, out of 4 portals we track for Cosm. The full side-by-side comparison of cashback, miles, and points is above.
Is 15% a good cashback rate for Cosm? +
15% on RebatesMe is the usual rate for Cosm.
Can I earn airline miles or points for Cosm through a shopping portal? +
Not right now. None of the 4 portals we track list airline miles or transferable points for Cosm today. That can change, so it's worth setting an alert.
How often do Cosm's cashback rates change? +
We've tracked Cosm since Jul 17, 2026. Portal rates change whenever the portal updates them, and each row shows exactly when we last confirmed it.