basic(id,passwd)

Creates a draft invoice on the payment platform PayPal. To move the invoice from a draft to payable state, the SEND action is required. Billing automation and paperless operations are realized.

Sends an Invoice on the payment platform PayPal. Both Recipient (customer) and Invoicer will receive an email notification. The invoice status updates to SENT from DRAFT, and anyone who knows the Invoice URL will be able to pay.

Checks the status of Invoice on the payment platform PayPal. If in PAID status, payment date is retrievable.