ryan3358_best-practices | Stripe Developers | Page 1

frigid hamletBOT Dec 11, 2024, 4:25 PM

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timber aspen Dec 11, 2024, 4:27 PM

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To my understanding, subscriptions currently use the current date as the start date for calculating proration amount. Just want to know if we can pass a start date in instead due to individuals purchasing for the future ahead of today.

leaden hullBOT Dec 11, 2024, 4:29 PM

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spice harness Dec 11, 2024, 4:30 PM

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Hi 👋 no, you can't pass a future start date, you would need to create a Subscription Schedule for that:
https://docs.stripe.com/billing/subscriptions/subscription-schedules/use-cases#start-subscription-future

Our Subscription creation endpoint accepts a backdate_start_date parameter, but I don't think that's relevant here since you mentioned the future.
https://docs.stripe.com/api/subscriptions/create#create_subscription-backdate_start_date

timber aspen Dec 11, 2024, 4:32 PM

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With a subscription schedule, will it still send the proration invoice when its created? or will it send on the subscription schedule start date

oblique aspen Dec 11, 2024, 4:33 PM

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The goal is for us to start the subscription at a custom start datetime (different than purchase datetime), and collect money immediately

timber aspen Dec 11, 2024, 4:34 PM

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then from there act on the normal billing schedule on the first of the month thereafter

oblique aspen Dec 11, 2024, 4:39 PM

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Can we do a quick audio call thru discord with you @spice harness ?

spice harness Dec 11, 2024, 4:40 PM

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That's a more complex flow.

You'll want to:

process a one-time payment, likely via a one-off Invoice
create a Subscription Schedule to create the Subscription in the future, and also use a trial period, coupon, or $0 Price to have the Subscription that gets created avoid charging the Customer for the first billing period.

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Sorry, we don't offer calls here.

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Let me know if any of that is unclear though and we can discuss it further.

frigid hamletBOT Dec 11, 2024, 4:44 PM

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oblique aspen Dec 11, 2024, 4:52 PM

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We're still a little confused on best way to continue without manually calculating a TON of prices for each product

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We have a monthly rate we want to pro-rate, and the daily rate will change based on how long month is (28 days, 29 days [leap year], 30 days, 31 days)

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Then once we have the daily rate, we have to multiply by number of units (ie. "days remaining in month") - so there would be hundreds of prices for just one product

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are there any price_ID limits?

daring cargo Dec 11, 2024, 5:02 PM

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There is not a limit on how many prices a product can have, no. Since your set up is a bit more complex the above is what would use.

timber aspen Dec 11, 2024, 5:04 PM

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This seems a bit overly complex no? Given that when you create a subscription the current execution time is used to calculate the proration, why is it not possible to set a proration date?

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Hypothetically, if we were to start a trial on the current execution date that ends on the custom start date, would it calculate the prorated amount based on the custom start date until the next start of billing cycle?

daring cargo Dec 11, 2024, 5:08 PM

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Yes, and I highly recommend that you test this using your tesk API key.

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