Payment declined by customer's bank
Why did my customer’s bank decline my payment? Why does the API say this charge was “issuer_declined”?
Some payment declines are a result of the cardholder’s bank not authorizing the charge. Banks don’t share much detail on their reasoning behind these declines, and any information that Stripe receives from the bank about the decline will be surfaced in the Payments section of the Stripe dashboard or in the API under the
outcome field of a charge object.
For more information on bank declines, see Payments declined by card issuers in the Stripe Docs.