#polar18_webhooks
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vagrant nacelle
Hi there 👋 you're correct. That approach does not, nor is expected to, update the Invoice that was already generated by the Subscription switching to it's new billing period.
You would need to make that change prior to the Invoice being generated.
astral wind
Hi, thanks for the confirmation. Do you mind saying more on how we could make that change prior to the invoice being generated? Is there another webhook event we can handle that would allow us to pre-emptively make that change, or would we need to schedule this change ahead of time using https://docs.stripe.com/api/subscription_schedules/object?
vagrant nacelle
Subscription Schedules is what I was going to grab you the link for.
You may also be able to use invoice.upcoming Events, but those are received days before the Invoice is generated.
astral wind
Got it, thanks for the pointer on invoice.upcoming events - I'll look into that
astral wind
Sorry, one additional question on this: I initially started looking at this approach from https://docs.stripe.com/billing/invoices/subscription#update-first-invoice, based on:
For customers that receive invoices, you have a one hour period after creation before Stripe finalizes the subscription. Within this timeframe you can make necessary changes to the subscription, like changing amount or line items, adding a description or metadata, and so on.
This makes it sound like I should be able to update the subscription and invoice off the recurring invoice event, am I incorrect in my understanding there?
vagrant nacelle
You can update the Invoice, but updating the Subscription won't update the already generated Invoice.
astral wind
Got it, that makes sense - thanks!