“You’re prequalified!” is one of the most common phrases in American mail, and one of the least understood. It shows up on envelopes, in banking apps, and at the top of card-comparison sites, and it sounds like a decision has already been made in your favor. It has not. Prequalification is a screening step, not an approval, and the terms printed on the offer are a range, not a promise. Here is what it actually tells you, what it leaves out, and how to use it without getting burned.

Two kinds of “prequalified”

The word covers two different things, and they work differently.

Prescreened offers are the ones that arrive uninvited. Card issuers buy lists from the credit bureaus of people who meet a broad profile the issuer specifies, and mail offers to everyone on the list. The bureau inquiry behind a prescreened offer does not affect your credit score. The issuer does not know your income, has not verified your identity, and has not underwritten you; it knows you fit a filter.

Issuer prequalification tools are the ones you start yourself. Most major issuers have a page where you enter basic identifying information and your income, and they tell you which of their cards you are likely to be approved for. This is a soft inquiry: it does not affect your score. It is more personalized than a mailed offer, because you supplied income and the issuer can look at your file, but it is still an estimate.

In both cases the answer is “you would probably be approved if you applied.” Neither one is an approval.

What prequalification does not guarantee

  • The interest rate. Read the terms on any offer and you will find the purchase APR listed as a range, with the lowest number in the largest type. Which end of the range you land on is decided when you formally apply, based on your full report and the income you state. In 2026 the average APR on accounts carrying a balance is above 22%, many new offers are above 25%, and the CFPB put the average APR on newly opened general-purpose accounts at 27.5% in 2024, so the gap between the headline rate and the one you get can be several points.
  • The credit limit. The offer may mention a limit “up to” some figure. The actual line is set at approval from your income, existing debts and the issuer’s own rules, and it is often lower than the number that caught your eye.
  • Approval itself. Prequalification is explicitly not a guarantee, and issuers say so in the fine print. The formal application is where the real underwriting happens.

Why you can still be declined

The formal application adds the pieces the screen did not have. The issuer verifies your identity, checks the income you reported, runs a hard inquiry on your full credit file, and applies its own policies about things like how many cards you have opened recently, how much of its credit you already hold, and whether anything on the report changed since the list was pulled. A prescreened list may be weeks old; a new collection, a maxed-out card or a missed payment in the meantime can turn a “prequalified” into a decline. So can a simple mismatch, such as a reported income that does not support the minimum line for that card.

The decline costs you something, too. A hard inquiry typically costs fewer than five points, stays on your report for two years, and is counted by FICO scores for 12 months. Card applications are never grouped the way mortgage or auto inquiries are, so every application is its own inquiry. That is the real reason to use the soft-pull tools first: they let you find out where you stand before you spend an inquiry.

How to use prequalification well

  • Treat a mailed offer as a lead, not a decision. If the card interests you, go to the issuer’s own prequalification page and run the check there, where the answer reflects your income.
  • Compare the full terms, not the envelope. The APR range, the annual fee, the balance-transfer fee (typically 3% to 5%) and any 0% window (12 to 21 months on current offers) are all in the terms box. A card that prequalifies you at the high end of a 25%-plus range is not a deal.
  • Know what you are looking for before you look. If you carry a balance, the only number that matters is the APR, and the plan for getting out from under it is in the 2026 credit card APR escape plan. If you pay in full, the rewards and fee structure matter and the APR barely does.
  • One application at a time. Apply for the card you actually want, wait for the decision, and let the inquiry age. The inquiry rules are laid out in the 14-day rule.

Turning off the mail

If the prescreened offers are more nuisance than help, you can opt out. A five-year opt-out takes a phone call to 1-888-5-OPT-OUT (1-888-567-8688) or a visit to OptOutPrescreen.com, the service run by the credit bureaus. A permanent opt-out requires printing, signing and mailing the Permanent Opt-Out Election form from the same site. Requests take effect within five days, though offers already in the pipeline can keep arriving for a while. Opting out does not affect your credit score, and it does not stop you from applying for cards on your own; it only stops issuers from pulling your name off a list.

The short version: prequalified means an issuer thinks you are worth a stamp. What you are actually approved for, at what rate and with what limit, is decided only when you apply, so do the soft-pull check first, read the range, and apply for the card once.