Shopify changed checkout behaviour in August 2026 so eligible signed-in customers can see their last-used payment method preselected on a future order. The feature is designed to reduce friction for repeat shoppers, but it can surprise store teams testing checkout with the same customer account over and over. If a different method appears “by itself,” it may be remembered behaviour rather than a theme or gateway bug.
In short
The behaviour applies where saved payment methods are enabled and the customer is signed in. It can affect both direct-to-consumer and B2B checkouts. The correct test therefore compares a signed-in returning customer with a guest or different account instead of assuming every visitor receives the same default.
What the customer actually sees
When an eligible customer returns while signed in, checkout can preselect the payment method used previously. The customer can still choose another available method. The change reduces repeated selection but does not remove other payment options configured for the checkout.
This means a merchant may see different defaults in two browser sessions even when the store settings have not changed. Customer state matters.
Why store owners may mistake it for a payment problem
Testing often happens with an owner or staff test customer that has placed many orders. After the update, the tester may repeatedly see the same wallet, card type or other saved method at the top and assume Shopify has re-ordered gateways globally.
Before changing settings, repeat the test in a clean session with a new customer. If the behaviour changes, the remembered method is a much more likely explanation than a checkout extension conflict.
A reliable test matrix
| Test | Customer state | What it tells you |
|---|---|---|
| A | signed-in returning customer | whether the previous method is remembered |
| B | new customer account | the default experience without payment history |
| C | guest checkout | behaviour without a signed-in customer |
| D | returning customer choosing a different method | whether the next eligible checkout updates the remembered choice |
Saved payment methods and consent still matter
Remembering a last-used method is not the same as silently storing arbitrary card details. The availability of saved methods depends on Shopify’s payment features, customer account state and the payment method itself. Merchants should not tell customers that every method will be stored permanently.
If a customer asks why one method is selected, explain that checkout may remember the method used on a previous signed-in purchase and that they can switch to another available option before completing the order.
What to check if the wrong method blocks checkout
A preselected method should not prevent a customer from choosing another valid option. If checkout errors, investigate the actual gateway message, market availability, currency, customer location and payment configuration.
Also test whether the problem reproduces for a fresh account. A failure isolated to one saved method or one customer profile points to a different diagnostic path than a store-wide payment outage.
Practical checklist
- Test with both returning and new customer accounts.
- Do not use one staff account as the only checkout test.
- Confirm saved payment methods are enabled where expected.
- Capture the exact gateway error if payment fails.
- Explain remembered defaults to support staff handling customer questions.
Frequently asked questions
Can the customer still choose another payment method?
Yes. The remembered method is a default selection, not a lock on the checkout.
Why do I not see the same default in guest checkout?
The change is tied to eligible signed-in customers and their previous payment behaviour, so guest checkout can look different.
Bottom line
The August 2026 change makes repeat checkout more personal but also makes testing more stateful. When diagnosing payment order or defaults, always identify whether the tester is signed in and whether that account has previous payment history.
Related guides
- Shopify Says “Shipping Not Available” at Checkout: How to Find the Missing Rate
- Shopify Payments Limited or Sales Paused? How to Restore Checkout
- Shopify Customer Accounts: Passwordless Login, Order History and Self-Service Without Support Tickets
