For most people, the answer is no. The cash back, points, and miles you earn by spending on a credit card are not taxable income. The IRS treats them as a rebate, a partial refund of what you spent, and a rebate is not income.
That has been the position for decades. But there are edges where it stops being true, and selling your points is a different question entirely. Both are worth understanding before you assume anything.
The rebate rule
The foundation is IRS Revenue Ruling 76-96, which dealt with manufacturer rebates to car buyers. The ruling held that a rebate is not gross income to the buyer. It is a reduction in the purchase price. Spend money, get a slice back, and you simply paid less for the thing. There is nothing to tax because you did not gain anything; you just got a discount after the fact.
Credit card rewards earned through spending fit that logic. Buy $1,000 of groceries and earn 2% back, and the IRS view is that you effectively paid $980. A discount, not earnings.
Airline miles got their own explicit treatment. In Announcement 2002-18, the IRS said it would not pursue taxpayers over frequent flyer miles or other in-kind promotional benefits received from business or personal travel. So the miles posting to your account after a flight or a card swipe are not a tax event.
Where it stops being a rebate
The rebate rule depends on one thing: that you spent money to get the reward. Break that link and the analysis changes.
The clearest example is a bonus you receive without spending. A bank account opening bonus, or a referral bonus for sending a friend a card link, is not tied to a purchase. There is no price for it to reduce. So it can be ordinary income, and banks routinely report these on a 1099-MISC or 1099-INT when they cross the reporting threshold. If you got a form, the IRS got a copy too.
Sign-up bonuses that require spending are generally still treated as a rebate, because the spend requirement ties the bonus to purchases. The murky cases tend to involve manufactured spending. In Anikeev v. Commissioner (T.C. Memo 2021-23), the Tax Court looked at a couple who ran millions of dollars through Visa gift cards and money orders to rack up cash rewards. The court held that rewards on the purchase of cash equivalents could be taxable, while ordinary product rewards stayed non-taxable. The lesson is narrow: if you are buying something close to cash to harvest rewards, the rebate theory gets shaky. Buying groceries does not.
Selling points is a separate question
Everything above is about earning and redeeming. Selling is different. When you sell a balance to a broker for cash, you are not getting a discount on a purchase. You are receiving a payment. And payments can be reportable.
Whether you owe tax, and whether you get a form, depends on how much you receive and how you are paid. Two forms can come into play: a 1099-K if you are paid through a third-party platform that crosses the reporting threshold, and a 1099-MISC in some other arrangements. The thresholds and the practical handling are their own topic, covered in the related guides below. The short version: a one-time sale of a modest balance is unlikely to trigger a form, and a form is a reporting trigger, not automatic proof you owe tax.
None of this is tax advice for your specific situation. If you sell a large balance, or you sell regularly, talk to a tax professional. For most one-off sellers, the paperwork is lighter than they feared.
Quick reference
| Situation | Generally taxable? |
|---|---|
| Cash back or points from card spending | No (rebate) |
| Miles earned from flights or card spend | No (Announcement 2002-18) |
| Sign-up bonus with a spend requirement | Generally no |
| Bank or referral bonus, no spend required | Yes, often reported |
| Rewards from buying cash equivalents at scale | Possibly (see Anikeev) |
| Cash you receive from selling a balance | Possibly reportable, see the 1099 guides |