Use Credit Key for a single large supplier purchase you will repay on a fixed schedule, especially if you can clear it within 30 days at 0%. Use a business credit card for frequent smaller purchases, rewards and one statement. Carried for six months, Credit Key's 1% monthly fee and a typical card APR cost about the same.
Side by side
| Credit Key | Business credit card | |
|---|---|---|
| Structure | Separate loan per order | One revolving balance |
| Free period | 30 days | Statement grace period if paid in full |
| Cost if carried | From 1% per month on the original amount | APR on the remaining balance |
| Where it works | Partner merchants, plus the Credit Key Card | Almost anywhere |
| Rewards | None | Often cash back or points |
| Statements | Per order | One monthly statement |
| Application | Soft inquiry | Usually a hard inquiry |
| Reports to | Dun & Bradstreet | Varies by issuer |
The cost comparison people miss
A monthly fee on the original amount is charged even as you pay the balance down. A card's APR applies only to what you still owe. So 1% a month is closer to a 20–22% APR than to 12%. Run your numbers in the fee estimator.
Need money in hand, not checkout credit?
Request a personal loan through our lender network. It is a separate service from Credit Key and the request is free.
When each wins
- Credit Key: a large one-off order, a fixed payoff date, and a wish to keep card limits free.
- Card: recurring supplies, subscriptions (which Credit Key excludes), rewards, simpler bookkeeping.
- Both: many businesses keep a card for day-to-day and use checkout financing for big-ticket items.
A worked comparison
A $5,000 purchase repaid over six months. With Credit Key at a 1% monthly fee: about $300 in fees, $883 a month. On a card at a 22% APR repaid in six equal payments: about $325 in interest. At an 18% APR: about $265. So Credit Key at the floor rate sits between those two cards, and a higher Credit Key fee tips it above both. Cleared in 30 days, Credit Key and a card paid in full both cost nothing.
Common questions
Does Credit Key affect my credit card limits?
No. It is a separate line, which is one reason businesses use it for large purchases.
Is the Credit Key Card a credit card?
It runs on Mastercard but draws on your Credit Key line; each purchase becomes its own Credit Key order.
Sources
Checked November 12, 2026. We link to primary sources so you can verify each figure yourself.