Washington Checkout Fee Rules: What Sellers Can Charge

What counts as a checkout fee in Washington?

“Checkout fee” is not one legal category. A credit-card surcharge, a service charge, a convenience fee, and sales tax can appear on the same screen. They do not follow the same rules.

Start with what triggers the charge. Does it apply only when a buyer uses a credit card? Does every customer pay it? Is it tied to an optional service? The answer matters more than the name on the receipt.

A fee charged only to credit-card users does not become a general service charge just because you rename it “technology support.” Its actual function still matters.

Nor should a business call its own cost recovery fee a Washington tax. Buyers need to know whether the money is a government charge or revenue collected by the seller.

If a vendor says a new Washington rule requires a fee, ask for the rule's name, official link, effective date, and covered businesses. A checkout software update is not proof of a legal requirement.

Can Washington businesses add a credit-card surcharge?

A credit-card surcharge may be an option, but state law is only part of the decision. You must also satisfy your acquiring bank's requirements, your processor agreement, and the rules for each card brand you accept.

Visa's published US merchant guidance is a useful starting point. It limits eligible credit-card surcharges and does not allow surcharges on debit or prepaid cards. Running a debit card without a PIN does not turn it into a credit card.

The source is Visa's merchant regulations and surcharge guidance. Confirm the current requirements with your acquirer before launch, including any notice or registration steps.

Why can't you just pass through your processing bill?

Your processor may charge for more than card acceptance. Your bill may include billing software, fraud tools, instant payouts, or other services. Do not assume every expense belongs in an allowed surcharge calculation.

A percentage-plus-fixed processing rate also does not automatically become a lawful percentage-plus-fixed buyer fee. Ask your acquirer how to calculate the permitted surcharge for your setup.

What should you get in writing?

• Whether your business and checkout qualify for surcharging.
• The allowed amount and how it is calculated.
• Which payment methods must be excluded.
• Required notices, checkout text, and receipt details.
• How refunds and recurring charges should work.

My recommendation: do not launch a manually added card fee until these answers are clear. For broader ways to reduce your bill, see our guide to payment processing fee reduction.

Do Washington sellers need to show fees before checkout?

Washington's Consumer Protection Act prohibits unfair or deceptive practices in trade or commerce. That is a reason to treat price disclosure as a core part of your checkout, not a small-print task.

The relevant starting point is RCW 19.86.020. It does not provide a universal fee schedule or a single disclosure script for every business.

As a practical safeguard, show unavoidable charges early and the full amount before the buyer pays. Do not promise one price in an ad and depend on a late checkout note to explain why the buyer must pay more.

Do federal all-in pricing rules cover every business?

No. The FTC's Rule on Unfair or Deceptive Fees has specific coverage for live-event tickets and short-term lodging. For covered offers, it requires upfront total-price disclosure that includes mandatory fees, subject to the rule's exclusions and conditions.

That is not the same as a federal ban on all fees, and it should not be described as a universal rule for every course, software subscription, or agency invoice. See the FTC's fee-rule FAQ for its scope.

Are restaurant service charges different?

They can be. Washington has a specific service-charge disclosure law for covered employers providing food, beverages, entertainment, and porterage services.

RCW 49.46.160 addresses disclosure of the portion of an automatic service charge paid directly to employees serving the customer. A restaurant should not treat a general ecommerce fee checklist as a complete compliance review.

What should a clear checkout explain?

• What the fee pays for.
• Whether it is mandatory or tied to a chosen payment method.
• Its amount before the customer confirms payment.
• The final total, with tax clearly identified.

For memberships, also make clear whether a charge applies only at signup or at renewal. A clear first payment does not fix unclear recurring billing terms.

Are checkout fees subject to Washington sales tax?

A separate line on the receipt does not automatically make a fee exempt from sales tax. Start with whether the underlying sale is taxable and whether the added charge forms part of its selling price.

Washington's definition of selling price is broad. It generally includes the consideration paid for a retail sale without deductions for the seller's costs and expenses. That makes “we only use this to cover processing” an unsafe reason to leave a charge out of the tax base.

The statutory starting point is RCW 82.08.010. A surcharge connected to a taxable sale can be part of the taxable selling price. The exact result depends on the charge and transaction.

What should your bookkeeper check?

• Whether the product or service is taxable in Washington.
• Whether the added fee belongs in the taxable selling price.
• Whether the correct location rules are being used.
• Whether refunds reverse the fee and tax correctly.
• Whether checkout records match the accounting system.

Do not assume that a course, consulting package, software product, and community membership all receive the same treatment. Labels used for marketing are not a substitute for tax classification.

Also separate payment processing from tax collection and remittance. A platform's ability to accept a card does not, by itself, mean it assumes your tax duties.

For example, Whop is merchant of record for tax only when “Whop Collects and Remits” is on. Commas (formerly FanBasis) does not state merchant-of-record status in its public materials. Do not infer either tax service from a checkout demo.

If that distinction affects your platform choice, read our Whop and Dodo Payments tax-compliance comparison, then confirm Washington-specific treatment with your tax adviser.

Can you lower payment costs instead of adding a checkout fee?

Yes. Before you make customers absorb a new charge, compare your total payment cost. A lower headline rate helps, but it is not the whole bill.

Review payout charges, international cards, currency conversion, disputes, financing, and optional software fees. Then compare those costs with the possible sales impact of adding friction at checkout.

These are seller costs, not approved buyer surcharge rates. International payments, conversion, financing, and add-ons can change the total.

When would we start with Commas?

For digital sellers, Commas combines checkout, funnels, courses, communities, and webinars. Its multi-processor routing includes real-time failover, and it offers automatic failed-payment recovery.

That makes it worth assessing when your problem is broader than the card rate. Commas told us they will match or beat your current rate. Ask for the full written quote, including the features you plan to use.

Its financing guide lists 10 partners, compared with Stripe's 5 US checkout BNPL options. Financing is for one-time purchases, not subscriptions. Partner fees and payout terms vary, so financing is not a free substitute for a card surcharge.

For a deeper look at costs and fit, see our Commas review. If you are ready to compare your statement with a quote, request Commas pricing.

When is Whop the better shortlist option?

Whop deserves a close look for lower-ticket digital products and communities, especially when marketplace reach matters. Its published domestic card rate gives sellers a clear starting point.

Still, check optional billing, tax, orchestration, and payout costs. Our Commas versus Whop comparison breaks down the trade-offs. You can also explore Whop's seller platform.

Neither choice removes underwriting or fund-hold risk. Commas' terms allow holds for risk and compliance reasons. Whop's seller terms also permit holds. Lower fees and faster access to money are separate questions.

What should you check before launching a new checkout fee?

Test the fee as a complete customer journey, not just a setting in your payment dashboard. A correctly labeled line item can still go wrong if the ad, renewal email, tax setup, or refund flow tells a different story.

Use this launch checklist with your operations lead, processor, and advisers:

• Classify the charge. Write down what triggers it and who pays it.
• Confirm the authority. Separate state law, federal rules, card-network rules, and your processor contract.
• Get payment approval. Confirm eligibility, permitted amounts, notices, and excluded cards.
• Review the price journey. Check ads, sales pages, proposals, invoices, checkout, and receipts.
• Confirm tax treatment. Document why the fee is included in or excluded from the taxable total.
• Test exceptions. Try debit, prepaid, wallets, discounts, renewals, and partial refunds.
• Train support. Give staff a plain-language explanation that matches the real charge.

Save the processor's written approval and screenshots of the live flow. If a customer questions the fee, your team should be able to explain it without making up a reason.

Then watch complaints, refund requests, and checkout completion. A fee that recovers payment costs may still be a poor business choice if it reduces trust.

Our verdict: do not add a charge just because another Washington seller did. Confirm the rule that applies to your fee. For digital businesses, we would first compare total costs with Commas, then Whop, before shifting the bill to buyers.

Verified September 2026: processor pricing uses the Processor Verdict facts sheet, with published benchmarks such as Stripe's pricing page. The official legal and card-network links above are starting points for your review, not a claim that every Washington legal change has been checked. Reconfirm current requirements before launch.

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