It's state law, but virtually every state licenses money transmitters, and you need a license from each state you want to transmit money into (where your custom

It's state law, but virtually every state licenses money transmitters, and you need a license from each state you want to transmit money into (where your customers are). No matter where you start, you need the licenses, and CA is particularly important since that's where the early adopters and investors are. Here's the list of 50 state licenses PayPal needs to operate: https://www.paypal-media.com/state_licenses.cfm https://www.paypal-media.com/state_licenses.cfm