post
https://app.rackbeat.com/api/customer-invoices//create-creditnote
Create a credit note for the specified customer invoice.
Remember to also book the credit note that you create
Use the Book Customer Invoice endpoint to book the credit note you create. Make sure that you send the following parameters along in your book request:
should_regulate: boolean (true/false)
→ choose if items should be returned to stock
creditnote_reason: string (text field)
regulate_using_invoice_date: boolean (true/false)