Sophia123 | Stripe Developers | Page 1

hello! this wouldn't have anything to do with upgrading your API version. I took a quick look at the examples you provided - those are declines from the bank. We don't have insights into why a bank declines a charge and you would want to ask your customer(s) to reach out to their bank to find out why the charge is being declined.

You can try emailing support and see if they're able to do an analysis on the declines for your account to see if they have any insights to share. https://support.stripe.com/contact/email

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