An SP+AFF charge is almost always a payment on a buy-now-pay-later plan run by Affirm. It is often tied to Shop Pay Installments, which affirm powers and services. The amount is usually one installment, not the full order total. Check your Shop app and Affirm account first. If nothing matches, call your bank.
What Does SP AFF Mean on a Bank Statement?
An SP AFF charge is a billing descriptor, the short label your bank shows for a payment. The “AFF” part points to Affirm, a buy now, pay later (BNPL) company that splits purchases into scheduled payments.
You may see it written several ways: SP AFF, SP+AFF, SP AFF*, or SP AFF San Francisco CA. They all point to the same family of charges.
Here’s where it gets interesting.
The “AFF” part: Affirm
Affirm lends you the money at checkout. After that, it collects the payments on a schedule. When one of those payments leaves your account, your bank shows a descriptor. “AFF” is the Affirm piece.
The “SP” part: the mystery
Nobody agrees on what “SP” stands for, and that matters.
- Some sites say it means “Service Provider – Affirm.”
- Others say it means “Split Pay.”
- One consumer site says it most likely points to a Shop Pay Installments payment serviced by Affirm.
I couldn’t find an official definition from Affirm or Shop. So treat any site that states the “SP” meaning as fact with a bit of caution, this one included.
What is confirmed is the partnership. Shop’s own help center says Shop Pay Installments is powered and serviced by Affirm, and that you’re applying for a loan through Affirm when you choose it at checkout.
That makes the Shop Pay link a reasonable thing to check first. It isn’t proof.
SP AFF Statement Variations
Your bank may shorten or reformat the label. Here is what you might see and what to check.
| What you see | What it likely means | What to check |
| SP AFF or SP+AFF | Affirm installment, possibly Shop Pay Installments | Your installment orders and payment schedule |
| SP AFF* STORE NAME | Affirm payment tied to that store | Search the store name in your email receipts |
| SP AFF San Francisco CA | Affirm billing with a city tag | Match the amount to an installment; the city doesn’t tell you where you shopped |
| AFFIRM or AFFIRM.COM | Affirm payment | Your Affirm account |
| SP * STORE NAME | Possibly a Shopify Payments purchase, a different thing | The store name; this is not an installment plan on its own |
One consumer guide notes that SP alone does not establish an Affirm installment plan, since a Shopify Payments purchase can also appear as “SP * STORE NAME.” The “AFF” part is the clue that points you toward Affirm.
Is an SP AFF Charge a Scam?
Usually, no. An SP AFF charge is typically a scheduled payment on a plan you set up at checkout. But “usually” isn’t “always,” and seeing the label doesn’t prove you authorized it.
Signs it’s probably legitimate:
- The amount matches one scheduled installment.
- You can find a matching order in the Shop app or your Affirm account.
- The store name after the asterisk (if there is one) rings a bell.
- You got an email from Affirm after checkout. Shop says approval emails come from shoppay@shop.affirm.com and may land in spam.
Red flags:
- No matching order anywhere, under any of your email addresses.
- An Affirm payment when you’ve never used Affirm or Shop Pay Installments.
- Someone with access to your card or accounts you haven’t asked yet.
- A caller or text telling you to “cancel” or “refund” the charge by sharing a password, PIN or code. Never do this. Open the official app or website yourself.
How Do I Find Out What an SP AFF Charge Is For?

Use what I call the 3-Match Check. A real installment payment should match your records on three things: the Merchant, the Amount and the Date.
- Open the full transaction in your banking app. Note the exact wording, amount and date. Check whether it’s pending or posted.
- Search your email. Look for “Shop Pay Installments,” “Affirm,” the store name and the exact dollar amount. Check spam folders and any other email addresses you shop with.
- Check the Shop app. Sign in with the same email you used for the order. The shop says your payment schedule appears in the app after approval.
- Check your Affirm account. Compare the charge with the payments listed for each loan.
- Match the amount to one installment, not the order total.
- Ask anyone who uses your card. A partner or family member may have placed the order.
A quick example (hypothetical): you buy a $120 jacket and split it into four equal, interest-free payments. Your bank shows $30, not $120. That is exactly what you should expect.
Also remember that the bank date can be later than your order date.
Why Does SP AFF Keep Charging Me?
Because installment plans are built to repeat. The shop says that depending on your location and plan, payments are due either every two weeks or monthly, and a down payment may be required at checkout.
Common reasons you see repeat charges:
- One plan, several payments. Each one hits your account on its due date.
- More than one order. You may have several active plans, each with its own schedule.
- A down payment plus installments. The first charge can look different from the rest.
A repeating charge is not the same as a subscription. It should stop after the final scheduled payment. Count the payments in your Shop or Affirm schedule against what your bank shows.
What If I Don’t Recognize the Charge?
Don’t panic, but don’t wait either. Reporting deadlines can affect your protections.
Step 1: Report it to Affirm. Use Affirm’s unauthorized-activity process. Shop’s help center points people to Affirm for questions about payments, since Shop doesn’t have access to Shop Pay Installments accounts or applications.
Step 2: Contact your bank or card issuer. Use the number on the back of your card or the official app. Ask about reporting the transaction and replacing the card.
Step 3: Secure your accounts. Change passwords for your email and shopping accounts and turn on extra verification where you can.
Step 4: Keep records. Save screenshots, emails and any case numbers.
If you paid with a credit card: federal billing-error rules apply. Capital One’s guide says to dispute an error with your issuer within 60 days, and that the FCBA limits your liability for verified fraud to no more than $50.
If you paid with a debit card or bank account: the rules are different, and speed matters even more. The CFPB explains the reporting rules for unauthorized withdrawals on its website. Check the current CFPB guidance before you rely on any deadline.
Who to call for what:
- The store: returns, cancellations, wrong or missing items.
- Affirm: installment balances and payment records.
- Your bank: unauthorized transactions on your card or account.
What Most Guides Get Wrong
Most pages on this topic state one confident meaning for “SP” and move on. The sources disagree, and none of the ones I found cite an official definition.
That’s why the safest approach isn’t memorizing what the letters stand for. It’s matching the charge to your own records. The label points you in the right direction. Your order history confirms it.
Add your own insight here (for the client): reader reports, screenshots of how the descriptor appears at specific banks, or your own testing of Shop Pay Installments checkouts. First-party data like this is what will set the page apart. Label it clearly as your own.
Conclusion
An SP+AFF charge on your bank statement is usually a transaction descriptor that identifies a merchant or payment processor. If you recognize the amount, date, and transaction, you may not need to take further action. If the charge is unfamiliar, review recent purchases, check your email or receipts, and contact your bank or card issuer promptly if you believe the transaction is unauthorized.
FAQs
Is an SP AFF charge a scam?
Usually not. It’s most often an installment payment on an Affirm plan. But recognizing the label doesn’t prove you authorized the payment. Match the merchant, amount and date to your records, and report anything you can’t match.
Does SP AFF appear on debit cards?
Yes. Installment payments can be taken from a debit card or bank account. The shop says supported credit cards work for some plans in some countries, while monthly plans may require a debit card. Check Shop’s current payment-method requirements.
Why does it say San Francisco, CA?
That’s location wording attached to the payment, not where you shopped. It doesn’t identify the store, so use the amount and date instead.
How do I stop SP AFF payments?
If the plan is legitimate, the payments are a loan you agreed to. Changing your saved card or deleting the app doesn’t erase the balance. You can pay it off early, and Shop says early payoff carries no penalty. If you didn’t authorize it, report it to Affirm and your bank.
What happens if I return the item?
Contact the store first. Shop says refunds first reduce your outstanding installment balance, and any remainder goes back to your original payment method. Keep making payments that come due while the refund is pending.
Does an Affirm plan affect my credit?
It may. Policies differ by plan and change over time, so check Affirm’s own pages for current credit-reporting details before assuming either way.