#guillaume1landr_best-practices
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nova trench
Hi there 👋 I'm not sure I'm grasping what you're asking. Are you able to share the ID of a Checkout Session from your testing that didn't work for what you're trying to do, with context on why that didn't work?
dreamy vine
Sorry, let me rephrase
We are selling a gift card form the GiftUp 3rd party. After the purchase the gift card recipient receive an email that include a promocode.
Since it's the holyday season we are currently offering a sale, thus when we create the checkout session using the api we embedded a coupon code to the checkout page. Thus the user can't enter the promocode from the gift card to their purchase, Stripe only let us put 1 coupon/promocode in the checkout page.
For exemple the user would receive a 100$ gift card with the 'XQD34' promocode, then how could we let them enter the code while also offering them a discount on their purchase?
nova trench
I'm pretty sure the short answer is that you can't, because stacking coupons and/or promotion codes is only supported when creating/updating Subscription objects directly:
https://docs.stripe.com/billing/subscriptions/coupons#stackable-coupons
Trying to think through whether there is a workaround here, like collecting the promo code from your customer before directing them to the Checkout Session, and handling those discounts behind the scenes.
dreamy vine
Yeah, I saw there was a possibility to add a Balance to the customer (https://docs.stripe.com/billing/customer/balance#api), but then I feel like i'm losing the ability to link the actual coupon/promocode to the user, since the coupon would never be used, I am worried that this solution will be opening doors for issues like refunds.
Original buyer would open a dispute, after the user balance have been updated for instance
nova trench
Yeah, the customer balance came to mind for me as well, since it looks like you're working with Subscriptions which can consume that balance.
dreamy vine
Yeah we do subscription, but also single time purchase.
nova trench
Ah, I don't think the single payments will draw down the cusotmer balance.
dreamy vine
https://dashboard.stripe.com/test/coupons/K7QUV if you have access to this
This is the coupon created by the 'GiftUp' service
nova trench
The only way they might is if you invoice creation turned on for the sessions, but even then I don't think they will.
dreamy vine
Then from that coupon, i tried to create a promocode and associate it with a user, but it did not transfer the amount to the user balance
From the gift up documentation
nova trench
Not really, those dashboard links only work for you. I'd need a different ID to look things up, but I'm not too sure why you want me to look at it.
dreamy vine
I'm just trying to provide as much information i can
nova trench
I don't really have more insight to offer here. It doesn't sound like the third-party service you're hoping to use will play nice with the additional requirements that you have (already using other coupons in Checkout Sessions, and, processing one-off payments without creating Invoices to pull from the customer's balance).
You're either going to need to custom code a new redemption flow for the promotion codes provided by the third party to fit them into your flow, or consider building your own gift card solution.