marcin_stonly

[reef violet]

Hi there!

Can you share the request ID (req_xxx) where you see this error? You can find it here https://dashboard.stripe.com/test/logs
Also can you share the documentation link that says that you can use negative values?

[runic jolt]

Here is the part of documentation:

here's the link: https://stripe.com/docs/api/invoiceitems/create

It's under "Create an invoice item" > "unit_amount"

Here's the error I get:

the request id is req_JJXwxuJ2laE7xj

[reef violet]

Thanks! Give me a few minutes to look into this.

[runic jolt]

sure

[reef violet]

The documentation says that amount may be negative. But in the request you shared you are using unit_amount_decimal, so it's not the same.

[runic jolt]

Sorry but I have to disagree. It says "Passing in a negative unit_amount will reduce the amount_due on the invoice."

And later for unit_amount_decimal it says "Same as unit_amount..."

[reef violet]

But in the request you shares you are using this parameter

[runic jolt]

yes, cause the documentation says unit_amount_decimal is the same as unity_amount. I've also tried unit_amount and got the same error.

So it seems like both unit_amount and unit_amount_decimal are not supporting negative values actually

[reef violet]

This is what I see in the documentation for price_data. I see no mention of negative amount:

Can you share the exact documentation link where you see that price_data.unit_amount_decimal can be negative?

[runic jolt]

Ok, so seems like it differs between price_data and the invoiceItem property unit_amount. My fault.

The question is how should I approach the case where I need to have a negative value for the invoice item ? Should I set it in price_details or only on the top level of the object?

[reef violet]

No worries!

The question is how should I approach the case where I need to have a negative value for the invoice item ?
Then don't use price_data and use amount directly: https://stripe.com/docs/api/invoiceitems/create#create_invoiceitem-amount

[runic jolt]

Got it. Thanks a lot for claryfing. I appreciate your help. Have a great day!