disha

[barren vortex]

Not specifically on the Invoice object. You need to look at the associated Payment Intent object: https://stripe.com/docs/api/payment_intents/object#payment_intent_object-last_payment_error

[dense drum]

do we use 'last_payment_error' field?

[barren vortex]

Yes, on the Payment Intent object

Which isn't included in invoice.payment_failed events by default