lokis

[paper star]

Add an invoice doesn't mean it will be attempd right away. We only returns error when we attempt to charge

[flat urchin]

The docs mention that the invoice will be created immediately though

[paper star]

Yes it will be created, and if the Invoice is attempted it will change it status based on the result of the payment

[flat urchin]

Thanks. How do you recommend we handle card validation failures in this case?

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It's the same to handling failed payment on Subscription. You look at the invoice.payment_failed and decide the next course of action https://stripe.com/docs/billing/subscriptions/overview

[flat urchin]

Thanks. The docs state that the invoice is finalised after 1 hour which is when the user is charged. Is there a setting to finalise it immediately?

[paper star]

The first Invoice will finalize immediately. The 2nd Invoice onward you can call Finalize API to force it to finalize

You can test all these on Test mode!