KarlS-Invoice | Stripe Developers | Page 1

severe raven Mar 22, 2022, 5:12 AM

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Hi there, what's the other question?

torpid marsh Mar 22, 2022, 5:12 AM

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It came through...

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The other question: with invoices how do you discount with a PROMO code?

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*with invoice items

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I can only see that you can discount with a Coupon.

severe raven Mar 22, 2022, 5:14 AM

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so you want to apply coupons to a specific set of products in the invoice?

torpid marsh Mar 22, 2022, 5:15 AM

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Well, I'm confused because I was use to applying PROMO codes to subscriptions.

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I don't see the equivalence with Invoice Items. I get that you have to discount the Invoice Item. I don't see a way to discount at the Invoice level.

severe raven Mar 22, 2022, 5:17 AM

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Hmm, maybe you can tell me what you want to achieve with coupon?

torpid marsh Mar 22, 2022, 5:20 AM

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That is just it, that is the confusion! With an invoice item, is the only way to offer a customer a discount with a Coupon or can you also .... WAIT .... THINKING ....

severe raven Mar 22, 2022, 5:21 AM

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This article worth a read https://stripe.com/docs/billing/subscriptions/coupons

Coupons

Reduce the amount charged to a customer by discounting their subscription with a coupon.

torpid marsh Mar 22, 2022, 5:22 AM

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OK, but Subscriptions is not correct. I'm charging for Products, one-time paid.

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What are Promotion Codes used for and can my customers use them when they pay for one-time products?

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(not subscriptions)

severe raven Mar 22, 2022, 5:25 AM

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Well you can apply coupon in many levels, such as customer, subscription, invoice and even invoice items.

torpid marsh Mar 22, 2022, 5:26 AM

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OK, I didn't see where you can apply it on an invoice. Can you shed some light on this?

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never mind. i found it.

severe raven Mar 22, 2022, 5:27 AM

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Sure, https://stripe.com/docs/billing/subscriptions/coupons this doc a good starting point

Coupons

Reduce the amount charged to a customer by discounting their subscription with a coupon.

torpid marsh Mar 22, 2022, 5:29 AM

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For the record: I see no way to process or redeem a Promotion code, only a Coupon when processing discounts on invoices and invoice items. I wish you would verfiy that.

severe raven Mar 22, 2022, 5:30 AM

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The difference between coupon and promo code is that coupon is merchant-facing, whereas promo-code is customer-facing.

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So what's your use case here? you want your customer to enter a promo code when renewing the subscription?

torpid marsh Mar 22, 2022, 5:32 AM

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Yes, I want my customer to enter a promo code, but not for a subscription, for their invoice that they are paying.

severe raven Mar 22, 2022, 5:34 AM

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I see, I'm afraid the the hosted invoice page doesn't accept promo code.

torpid marsh Mar 22, 2022, 5:35 AM

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I'm in the API and am not finding support for it either.

severe raven Mar 22, 2022, 5:37 AM

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Ok, let me rephrase, you can add a coupon when creating an invoice and that discount will be automatically applied to the invoice. However, the invoice page doesn't support promo code, so that your customer can't enter a promo code in the invoice page to enjoy a discount.

torpid marsh Mar 22, 2022, 5:38 AM

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Right, nor can you programmitically with the API apply a PROMO code anywhere for an invoice.

severe raven Mar 22, 2022, 5:39 AM

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Actually you can, see https://stripe.com/docs/api/invoices/update#update_invoice-discounts-coupon

Stripe API reference – Update an invoice – curl

Complete reference documentation for the Stripe API. Includes code snippets and examples for our Python, Java, PHP, Node.js, Go, Ruby, and .NET libraries.

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I mean you can apply coupon to invoice.

Promo code is customer-facing, something that you customer need to input.

torpid marsh Mar 22, 2022, 5:41 AM

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so the only thing you can do with the PROMO code is use it on the backend to find the COUPON code which you then use to discount the invoice.

severe raven Mar 22, 2022, 5:43 AM

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Hmm, I'll say using coupon to apply discount to invoice.

torpid marsh Mar 22, 2022, 5:44 AM

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see there difference with Subscriptions? Here it is:

SubscriptionCreateOptions.PromotionCode = <promotion code id>

severe raven Mar 22, 2022, 6:01 AM

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you can also apply coupon to subscription https://stripe.com/docs/api/subscriptions/create#create_subscription-coupon

Stripe API reference – Create a subscription – curl

Complete reference documentation for the Stripe API. Includes code snippets and examples for our Python, Java, PHP, Node.js, Go, Ruby, and .NET libraries.

torpid marsh Mar 22, 2022, 6:02 AM

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Yes! I'm just pointing out the differences is all. I am now resolving a PROMO code to a COUPON in my backend and applying to the invoice.

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Thanks!

severe raven Mar 22, 2022, 6:03 AM

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Cool! happy to help

torpid marsh Mar 22, 2022, 7:02 AM

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Sure thing

severe raven Mar 22, 2022, 7:03 AM

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Can you show me the code?

torpid marsh Mar 22, 2022, 7:03 AM

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its a lot of code.

severe raven Mar 22, 2022, 7:03 AM

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the relevant code will do

torpid marsh Mar 22, 2022, 7:03 AM

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Um.. trying to imagine best way to show you.

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ok, 1 sec.. just copy/paste here?

severe raven Mar 22, 2022, 7:04 AM

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Walk me through with an example if you can

torpid marsh Mar 22, 2022, 7:04 AM

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yep, hold on.

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see this invoice in_1Kg1a5G30Vl6ne6Nuzvsd4yR

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(assuming you are the only one who can see this, it is in test, but like the names are real)

severe raven Mar 22, 2022, 7:05 AM

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Only Stripe engineers can see, so don't worry

torpid marsh Mar 22, 2022, 7:05 AM

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i thought so

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so I had something in my code that was throwing an exception.

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after a couple of tries at fixing it, I got it fixed and on my last try the Payment was received and processed. well and you can see that the invoice line items were in multiples!

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expecting..

in_1Kg1eyG30Vl6ne6NFHlvAMIi

severe raven Mar 22, 2022, 7:08 AM

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OK, so your code added multiple invoice items but it suppose to add one item only, am I right?

torpid marsh Mar 22, 2022, 7:09 AM

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yes. like i said, I was debugging something that was broke and on the 4th or 5th try it went through... is there a way to prevent these invoices drafts from lingering?

severe raven Mar 22, 2022, 7:10 AM

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ok, I'd suggest you to finalize the invoice once you have added the item, so that this invoice cannot be changed anymore.

torpid marsh Mar 22, 2022, 7:11 AM

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ok... how about if there is an unhandled code exception, can I invoke some sort of destroy or terminate on the invoice that is not yet finalized?

severe raven Mar 22, 2022, 7:13 AM

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what kind of exception?

torpid marsh Mar 22, 2022, 7:13 AM

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anything... even my own exception, so not stripe related.

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I see a need to abandon any outstanding invoices at this point

severe raven Mar 22, 2022, 7:16 AM

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You can use this API to delete a draft invoice https://stripe.com/docs/api/invoices/delete

Stripe API reference – Delete a draft invoice – curl

Complete reference documentation for the Stripe API. Includes code snippets and examples for our Python, Java, PHP, Node.js, Go, Ruby, and .NET libraries.

torpid marsh Mar 22, 2022, 7:16 AM

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ok, that should work.

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thank you

torpid marsh Mar 22, 2022, 7:45 AM

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I'm able to reproduce the problem

#KarlS-Invoice