If you're dealing with payments, check embargo and money laundering regulations from first hand sources, don't second-guess what another website is doing. Inte

If you're dealing with payments, check embargo and money laundering regulations from first hand sources, don't second-guess what another website is doing. International transfer of funds done wrong could get you into incredible 'I need a lawyer' territory very quickly. BTW, Visa does not issue credit cards, Visa partners do. And they certainly do and work in most of the countries you listed.