curl --request GET \
--url https://us.api.flexprice.io/v1/invoices/{id}/pdf \
--header 'x-api-key: <api-key>'"<string>"Use when delivering an invoice PDF to the customer (e.g. email attachment or download). Use url=true for a presigned URL instead of binary.
curl --request GET \
--url https://us.api.flexprice.io/v1/invoices/{id}/pdf \
--header 'x-api-key: <api-key>'"<string>"