stripe sepa iban invalid checkout europe

The actual problem

IBAN validation errors kill EU SEPA checkouts that would have succeeded with clearer input UX.

Do this

1. Log SEPA failure codes for 14 days; separate invalid IBAN vs bank declines.
2. Add IBAN formatting/help text before submit.
3. Offer card as secondary method on the same checkout.
4. Compare EU CVR before/after UX fixes.

Tools for this job

• Netkiln

  Method-mix fee and failure context

• Stripe Pricing

  SEPA fee schedule

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