#geekcorner_best-practices
eager canyonBOT
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- geekcorner_best-practices, 11 hours ago, 24 messages
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deft sorrel
Hi, let me help you with this.
Could you please summarise the context for me?
But overall yes, SetupIntents are intended for saving and reusing PaymentMethods: https://docs.stripe.com/payments/save-and-reuse
spring wedge
Could you please summarise the context for me?
Sure!
I'm basically working on a small SaaS project with some friends, and we'd like to require a valid payment method even for free tier to avoid abuses
deft sorrel
Yes, SetupIntent is perfect for that.
spring wedge
Alright! Time to read some docs, thanks!
Also if I'm using the billing portal, how would I make sure the user has at least 1 card saved to prevent them from deleting the card and reusing it on an alt account?
deft sorrel
You can check the card uniqueness with the fingerprint: https://docs.stripe.com/api/payment_methods/object#payment_method_object-card-fingerprint
spring wedge
That doesn't really answers the question 😅
deft sorrel
For Customer Portal, you can disable payment_method_update: https://docs.stripe.com/api/customer_portal/configurations/create#create_portal_configuration-features-payment_method_update-enabled
spring wedge
I mean, I don't mind if the user wants to use a new card instead of an old one, I'd just like to make sure the users have at least 1 card on their account.
I don't know if you see what I mean.
deft sorrel
Yeah, there's no way to create such a rule for Customer Portal, unfortunately.
spring wedge
Is there some kind of workaround maybe?
deft sorrel
Only with your own UI.
spring wedge
Like suspend the account until they add back a payment method?
Is payment_method.detached the webhook event I'm looking for?
deft sorrel
Yes, if you're fine with Customers being left without a PM.
deft sorrel
Yes, PaymentMethod, sorry.
spring wedge
It's fine it's fine.
sudden quarryBOT
spring wedge
Yes, if you're fine with Customers being left without a PM.
Well, it would suspend their free plan so no big deal I guess?
deft sorrel
it would suspend
Just to clarify, this wouldn't happen automatically.
hasty bolt
👋 taking over for my colleague. Let me know if there's any follow-up Qs I can answer!
spring wedge
> it would suspend
Just to clarify, this wouldn't happen automatically.
Of course, I meant "my code" by "it", it's all about webhooks after all!
spring wedge
Okay, (hopefully) last question.
hasty bolt
how may I help
spring wedge
Should I store the fingerprint on my own database with the id too? Or how would you recommend me to check the fingerprint against the known ones?
I looked through the docs and figured out I can't just use a "search" endpoint like I'd do with customers (for example, as I actually save the customer id in my db instead)
hasty bolt
Should I store the fingerprint on my own database with the id too? Or how would ...
you can list the PMs of a certain customer (https://docs.stripe.com/api/payment_methods/customer_list) and go over them to check whether there's a PM with the same fingerprint
spring wedge
That doesn't answers my question though.
hasty bolt
I mean each time you want to add a new payment method you can check if there's actually a PM attached to this customer with the same fingerprint before attaching the PM to the customer
spring wedge
Thanks.