Permanently deletes a one-off invoice draft. This cannot be undone. Attempts to delete invoices that are no longer in a draft state will fail; once an invoice has been finalized or if an invoice is for a subscription, it must be voided.
Parameters
No parameters.
Returns
A successfully deleted invoice. Otherwise, this call throws an error, such as if the invoice has already been deleted.
Response
{ "id": "in_1MtHbELkdIwHu7ixl4OzzPMv", "object": "invoice", "deleted": true}