Void an open invoice so it can no longer be paid. Voiding is permanent and cannot be undone.
Required permissions:
invoice:updateA company API key, company scoped JWT, app API key, or user OAuth token. You must prepend your key/token with the word 'Bearer', which will look like Bearer ***************************
The unique identifier of the invoice to void.
"inv_xxxxxxxxxxxxxx"
A successful response
Represents true or false values.