phillip_code

[frozen rock]

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[open jetty]

Hi, let me help you with this.

Do you want to charge the customers periodically, right? For the same 90 EUR or the amount changes every month based on usage?

[summer crown]

Hi Vanya, we want to always charge 90€ per month for the subscription, and we'd like to charge the ad budget weekly – but separately from the subscription.

The reason is that even if the subscription is canceled, there might still be unpaid charges for the ad budget.

[open jetty]

It seems like you need 2 Subscriptions per Customer, one monthly with fixed Price, and one weekly with usage-based amount. Does this sound right?

[summer crown]

That could work, yes.

Is it possible to start both subscriptions at the same time? I'd like to avoid making the customer click multiple times or enter their information twice.

[open jetty]

No, but you can reuse the PaymentMethod object for the other Subscription.

Or collect the PaymentMethod with SetupIntent first, and then create both Subscriptions simultaneously with it: https://stripe.com/docs/payments/save-and-reuse

[summer crown]

I think I'm already creating a setup intent and saving the payment method.

const { error, setupIntent } = await stripe.value!.confirmSetup({
    // @ts-ignore
    elements: elements.value,
    // @ts-ignore
    redirect: 'if_required'
})
// @ts-ignore
const paymentMethod = setupIntent?.payment_method || null

Then I create a subscription like this.

const subscription = await stripe.subscriptions.create({
    customer: customerId,
    items: [
        {
            price,
        },
    ],
    trial_period_days: trialPeriodDays,
    default_payment_method: paymentMethod,
    coupon: couponId,
    collection_method: "charge_automatically"
});

Question: Basically I would now create another subscription with the same payment method information. Correct?

What other parameters would I need to pass for the ad budget subscription?
Do I still need to pass collection_method: "charge_automatically" for the ad budget subscription?

[open jetty]

Yes.
Yes.

For the ad budget you can use usage-based billing if you want to record the usage in Stripe: https://docs.stripe.com/billing/subscriptions/usage-based

You will need to create a specifically configured Price for this and then record usage events.

[summer crown]

Okay thanks @open jetty . Just a couple last questions because I've never implemented usage billing.

1. I would create a product (subscription) inside the Stripe dashboard and choose "Usage-based" for pricing model and select "Per unit" – correct?
2. I'll set the amount to 0€ – correct?
3. I'll set the billing method to weekly and create a new meter which I call "Ad Budget". I assign the meter "Ad Budget" to the subscription – correct?
4. Then, every day/week I'll update the usage via API depending on the ad budget that the user spent

[open jetty]

You need to create a Product and Price objects, as well as a Meter. I recommend you to follow the guide carefully, as it contains all the answers: https://docs.stripe.com/billing/subscriptions/usage-based/implementation-guide?dashboard-or-api=dashboard

2. The amount must be a price per unit, i.e. it can be 1 EUR per unit if your standard usage unit is 1 EUR. Then you set the number of units for this period based on the usage.

I.e. a unit of ad budget must be EUR, right?
Same as unit of cloud storage is a GB, for example. Then you would set the amount to the price of a GB.

Alternatively, you can assume that your unit is one cent, then it's amount is 0.01 EUR, if you want more precise values.

[open jetty]

But otherwise, looks correct.

[summer crown]

Thank you very much @open jetty 🙏 I think I have all the information that I need for now. I appreciate your time