Thank you for your post. The majority of payment gateways require business registration documentation, including for a sole proprietorship. I still recommend selecting your country from this page to see the payment gateways available to you, and reach out to the ones you're interested in to find out about their requirements! If you're unsure about what registration or licenses you require, I recommend contacting a legal professional or business center in your area.
Please let me know if you have any other questions!
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The best payment gateways can vary depending on individual needs and requirements. However, some popular and highly regarded payment gateways that should work on the US market are:
These payment gateways have proven track records and offer a combination of reliability, security, user-friendliness, and customization options. However, it's important to assess your specific business needs, transaction volumes, pricing structures, and integration requirements before choosing the best payment gateway for your organization. Keep in mind that you might also need to set up a company in the US as well as a business bank account in order to be able to integrate the payment gateway into your business.