shayan-shokat_code

[worn pelican]

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[uneven spoke]

Hello

Can you clarify your flow here? How are you collecting a PaymentMethod currently?

[neat prairie]

          customer: customer.id,
          items: [
            {
              price: priceId,
            },
          ],
          coupon: coupon ? coupon.id : null,
          payment_behavior: "default_incomplete",
          // expand: ["latest_invoice.payment_intent"],
          metadata: {
            discount: amountOff / 100,
            for: "new subscription",
          },
        });

        const invoice = await stripe.invoices.retrieve(
          subscription.latest_invoice
        );
        const paymentIntentId = invoice.payment_intent;

        const paymentIntent = await stripe.paymentIntents.retrieve(
          paymentIntentId
        );
        await stripe.paymentIntents.update(paymentIntentId, {
          metadata: {
            discount: amountOff / 100,
            for: "new subscription",
          },
        });

        const clientSecret = paymentIntent.client_secret;
        const ephemeralKey = await stripe.ephemeralKeys.create(
          { customer: user["stripeCustomerId"] },
          { apiVersion: "2020-03-02" }
        );

ok so first we generate clientSecret and ephemeralKey to pass on to mobile app to open 3D secure sheet of stripe

[uneven spoke]

Okay gotcha

Let's pause

[neat prairie]

and in that sheet it completes the payment

but that subscription doesn't have default_payment_method attached with it so if we want to change the plan or at changing billing cycle, payment can't be charged

[uneven spoke]

First, you want to use expansion when you create your Subscription instead of making a separate Invoice retrieval request. So you want expand: ['latest_invoice']. See: https://docs.stripe.com/expand for more info on how expansion works

Second, you want to set payment_settings.save_default_payment_method: 'on_subscription' when you create your Subscription: https://docs.stripe.com/api/subscriptions/create#create_subscription-payment_settings-save_default_payment_method

Now once the payment succeeds then the PaymentMethod will be set as the default for that Subscription.

Do both those things, test again, and let me know if you still have any issues!