Maxime - PI and SI | Stripe Developers | Page 1

sleek rune Mar 8, 2022, 4:03 PM

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Hello

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One moment

unkempt sail Mar 8, 2022, 4:04 PM

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Second question. When I try to confirm a PaymentIntent server-side to see if it succeeds before confirming it on the client, shall I put a parameter so that the auth flow (ex 3ds) is not triggered?

sleek rune Mar 8, 2022, 4:05 PM

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No need to try to confirm twice here

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You can consider the PI/SI done once it has confirmed the intent

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I also recommend using webhooks

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This will help you manage state

unkempt sail Mar 8, 2022, 4:06 PM

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ok so the mobile app can display a success message (after a PI for instance) as soon as your SDK has confirmed the status?

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and server-side, I rely on the webhook to apply the correct state?

sleek rune Mar 8, 2022, 4:12 PM

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You can as long as you've confirmed payment was successful: https://stripe.com/docs/payments/intents

How intents work

Learn about the status and lifecycle of PaymentIntents and SetupIntents.

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yeah webhooks are to manage state server side

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Good insurance if client disconnects

unkempt sail Mar 8, 2022, 4:37 PM

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Ok thanks!

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Last question

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We have an API to store/favorite credit cards

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Each card is associated with a pm on stripe side

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When creating a new credit card, who should initialize the setup intent ? API or client?

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Can the client only send a pm (using elements) to the server that can then create the SI?

sleek rune Mar 8, 2022, 4:41 PM

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See this recommended flow: https://stripe.com/docs/payments/save-and-reuse?platform=web. SI would be created server-side

Set up future payments

Learn how to save card details and charge your customers later.

unkempt sail Mar 8, 2022, 4:43 PM

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Mmm ok

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how long is a SI valid?

#Maxime - PI and SI