Raven accepts payment via four major credit cards: MasterCard, Visa, American Express and Discover.
Because Raven subscriptions are recurring and can be variable based on usage, we are not able to support payments via Paypal. We also are not able to offer an invoicing service, though we do provide a receipt of charges in the form of an invoice, which is emailed to the billing contact and stored in the View Invoices section of Raven.