What a secured card is
It works like any credit card, but first you put down a deposit — say $200 — that becomes your limit. That deposit protects the bank, so it's easier to get approved even with no history. You get it back when you close the card or graduate to a regular one.
Can I open one with an ITIN?
Yes. Several banks — and especially credit unions — open secured cards with an ITIN instead of an SSN. Community credit unions that serve immigrants are often the best place to start; ask directly whether they accept an ITIN for a secured card.
What to look for (and avoid)
Look for a card that: reports to all three bureaus (Experian, Equifax, TransUnion), has no annual fee, refunds your deposit, and offers to “graduate” you to a regular card over time. Avoid cards that charge lots of up-front fees (“fee harvesters”) or that don't report to the bureaus — those don't build your credit.
How to use it to build credit
The secret is boring on purpose: make one or two small purchases a month, and pay the balance in full before the due date. Use little of your limit (under 30%). You do NOT need to carry a balance or pay interest to build credit — that's a myth. A few months of this and your score starts to climb.
When you get your deposit back
You get your deposit back when you close the card in good standing, or when the bank “graduates” you to a no-deposit card for good behavior (many do so within 6–12 months). That's why it pays to choose one that offers that graduation from the start.
Other options without a Social Security number
A secured card isn't the only path. You can also build credit with a credit-builder loan, or by reporting your rent — which needs no SSN, just your name, date of birth, and address. Pairing a secured card with rent reporting gives you two accounts working for you from the start.