Rate calculator
See your exact payout — before you sell
Pick a brand, set the balance, and watch the number update live. The quote you see is locked at submission.
Step 01 — Pick your brand
Step 02 — Card balance
$
Accepted range: $50–$2000
Step 03 — Card details
Receipt?
Balance status
Don't see your card listed? Email support@gcspark.com and we'll send you a quote.
How rates work
Seven published tiers
Every brand belongs to one tier. Rates show as with-receipt / standard / partial. No surprises — what you see is what you'll receive on a verified balance.
Tier 192 / 78 / 60%
Amazon · Adidas · Best Buy
Tier 292 / 78 / 50%
Apple · Visa · Roblox · eBay
Tier 392 / 78 / 55%
Target · Walmart · Steam · Nike
Tier 485 / 74 / 55%
Airbnb
Tier 592 / 75 / 55%
American Express
Tier 685 / 70 / 45%
Netflix · Microsoft · Uber · Xbox
Tier 780 / 65 / 40%
Ray-Ban · Sunglass Hut · Sierra