The payment methods are:
By credit card with Stripe (Secure solution for on-line payment). You can choose your payment frequency: monthly or annually. You may choose to be billed in US Dollars (USD) or Euros (EUR). If you are unable to pay or for more information, please contact us.
By money transfer under certain conditions. Contact us for more information.
If you require a quote/PO/invoice as part of a corporate procurement process, let us know what are your needs.