Key terms at a glance
| Feature | Capital One Platinum Secured |
|---|---|
| Minimum deposit | $49, $99 or $200 (all start with a $200 line) |
| Maximum deposit before opening | $1,000 |
| Annual fee | $0 |
| Regular APR | 28.99% variable (as of October 2026) |
| Foreign transaction fee | $0 |
| Authorized-user fee | $0 |
| Bureaus | Equifax, Experian, TransUnion |
| Rewards | None |
Card terms change, so check the issuer's site before you apply.
The deposit: why it stands out
Most secured cards ask for at least $200 and give you a $200 line. Capital One looks at your application and asks for $49, $99 or $200. Whichever amount you're assigned, NerdWallet says you still get a $200 starting line. For someone short on cash, that can mean getting a card weeks sooner.
Two more helpful details:
- Installments: NerdWallet says you can pay the deposit in parts of at least $20, with the full amount due within 35 days.
- Higher line: you can deposit more before the account opens, up to $1,000, to start with a bigger limit. A bigger limit makes it easier to keep utilization low.
The physical card doesn't say "secured," so it looks like any other Capital One card at the register.
Keep in mind that the deposit is collateral, not a prepayment. It can't be used to pay your monthly bill, so plan to pay each statement from your checking account as you would with any card.
Fees and interest
There's no annual fee, no foreign transaction fee and no fee to add an authorized user. That makes this card cheap to keep open for years, which helps the length of your credit history.
The 28.99% variable APR is typical for credit-building cards and expensive if you carry a balance. The simplest approach: use it for one or two small bills and pay the statement in full.
On a $200 line, a $60 balance already uses 30% of your limit. Amounts owed make up 30% of a FICO score, so small charges paid off each month tend to help more than larger balances. If you can afford a larger deposit, raising the line toward the $1,000 maximum gives you more room.
Because Capital One charges no foreign transaction fee, the card also works for travel or overseas online purchases, which is unusual among credit-building cards. OpenSky and Bank of America's secured cards charge 3%.
Upgrade and getting your deposit back
Capital One says you're considered for a higher line "in as little as six months." Separately, it "periodically reviews" accounts for an upgrade to the unsecured Platinum card. It doesn't publish a timeline, so you may wait longer than with Citi (reviews start at 9 months) or U.S. Bank's Cash+ Secured (after 12 months, per CNBC Select).
You get the deposit back if you're upgraded, or if you close the account with the balance paid in full. Keeping the account open after an upgrade keeps your history intact.
How it compares
| Card | Minimum deposit | Annual fee | APR (as of October 2026) | Rewards |
|---|---|---|---|---|
| Capital One Platinum Secured | $49–$200 | $0 | 28.99% variable | None |
| Capital One Quicksilver Secured | $200 | $0 | 28.99% variable | 1.5% cash back |
| BofA Customized Cash Rewards Secured | $200 | $0 | 27.49% variable | 3% chosen category (6% first year), 2%, 1% |
| OpenSky Plus Secured | $300 | $0 | 28.24% variable | Up to 10% on select purchases |
| Citi Secured Mastercard | $200 | $0 | See Citi's site | None |
If you can afford a $200 deposit anyway, Quicksilver Secured gives the same terms plus 1.5% back. If you want a stated review schedule, Citi's may suit you better. If you're worried about approval, OpenSky Plus skips the credit check entirely. More options are in best secured credit cards.
Who it's for
- Good fit: rebuilding or starting out, want the lowest upfront cost and a no-fee card to keep long term.
- Less ideal: you want rewards now, or you need a guaranteed graduation date.
A note on Discover: if you've seen Discover it Secured suggested as an alternative, it's closed to new applicants, and existing accounts are moving to Capital One servicing.
Capital One offers prequalification, so you can check your odds first; see how to get approved with bad credit. Compared with unsecured cards like Credit One, it costs far less over time. For the full field, see best credit cards for bad credit and how to choose.
Frequently Asked Questions
Capital One assigns the $49, $99 or $200 deposit based on your application. You won't know until you're approved, but all three amounts come with a $200 starting line.
Yes. Capital One says the account is regularly reported to Equifax, Experian and TransUnion.
Capital One periodically reviews accounts but gives no fixed timeline. You can be considered for a higher credit line in as little as six months.
Yes. Closing the account with the balance paid in full returns the deposit. Keeping it open may be better for your credit history if there's no annual fee to pay.
Capital One Platinum Secured — Capital One
Capital One Platinum Secured review — NerdWallet
Upgrading a Capital One secured card — Capital One
Capital One Quicksilver Secured — Capital One
Citi Secured Mastercard — Citi
OpenSky Plus Secured review — NerdWallet
Card terms, rates and fees change often and APRs are variable. Information was checked in October 2026; confirm current terms on the issuer's website before applying. MoneyVerge may be compensated by some card issuers; this does not affect our assessments.