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Checkout

Use Checkout to complete a new subscription, upgrade, add-on purchase, or eligible plan change.

Payment methods​

Checkout can support:

  • Card payment — Enter card number, cardholder name, expiration, and security code.
  • Pix — Generate a QR code or copy-and-paste payment code when available for your region and plan.

Available payment methods can depend on country, plan, and product.

Billing details​

Atomicat may ask for:

  • Email address.
  • Billing address.
  • Postal code.
  • City and state.
  • Tax document information where required.
  • Payment method details.

Fill these fields carefully. Invalid address, tax, or card information can block checkout.

Card checkout​

Before submitting, confirm:

  • Card number is complete.
  • Expiration date is valid.
  • Security code is correct.
  • Billing address matches the payment method when required.
  • Email address is correct.

If card payment fails, try another card or contact your bank.

Pix checkout​

When Pix is available, Atomicat can generate payment instructions with a QR code and copy-and-paste payment code. Pix payments can expire, so complete payment before the timer ends.

After paying, wait for confirmation and refresh Atomicat if the plan does not update immediately.

After successful payment​

Atomicat confirms successful payment and returns you to the subscription or plan area. If access does not update right away, wait a few minutes for billing sync and refresh.

Frequently asked questions​

Why does checkout ask for tax information?

Some payment methods and regions require tax or billing identity details to process the subscription.

What should I do if payment succeeds but access is not active?

Refresh Atomicat, sign out and back in, then contact support if the plan still does not update after a short delay.