boyyoka | Stripe Developers | Page 1

With iDEAL you don't re-use save the iDEAL payment method object, a SEPA payment method will be generated and that is what you use/charge later https://stripe.com/docs/payments/ideal/set-up-payment?platform=web#charge-sepa-pm

Learn how to save bank details from an iDEAL payment and charge your customers later with SEPA Direct Debit.

And you can find that ID under latest_attempt field.generated_sepa_debit on the setup intent

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