Abstract: A method to enable transactions comprising transmitting, by a vendor server, a request message to the e-commerce system for a token. Receiving a token in response to the request message. Generating an offer message including a mailto hyperlink, wherein the offer message is an email message including a mailto hyperlink is configured to generate an email reply message include the token. Transmitting the offer message to an email address associated with the customer. Receiving a response message from the e-commerce system, the response message including transaction details that confirm the token was validated by the e-commerce system. Transmitting a payment processing request message to a payment processor, wherein the payment processing request is based on the transaction details. Receiving a notification from the payment processor, that payment processing has been completed. Transmitting an email message to the email address of the customer, that payment has been processed.

Abstract: A method for leveraging email to complete an online transaction from a third party vendor, the method comprising: storing customer information, the customer information including a customer name, customer email address, customer shipping address, and customer billing information. The method further comprises receiving an authorization request from an application programming interface associated with a third party vendor requesting access to a portion of the customer information and receiving confirmation from a customer to allow the third party vendor to access the portion of the customer information. The method further comprising transmitting an access code to the third party vendor and receiving a request message from the third party vendor, wherein the request message comprises the access code, and wherein the request message requests an authorization token. The method may further comprise confirming the received access code and transmitting an authorization token to the third party vendor.

Abstract: Methods and apparatus for secure registration to enable transactions between a first user and a vendor that is facilitated by a payment server are disclosed. The method may comprise storing a form soliciting customer information including a plurality of fields, wherein at least one of the plurality of fields is associated with an attribute. The method including receiving a copy of the form including customer data in all of the plurality of fields and transmitting a first subset of the customer data based on the attribute associated with the first subset of the customer data. The method including receiving a token in response to the transmission of the first subset of customer data and transmitting the token and a second subset of the customer data, wherein the second subset is based on the attribute associated with the second subset of customer data.

Abstract: A method for peer-to-peer e-commerce transaction between a first user and a second user that is facilitated by a payment server is disclosed. The method including receiving a money request from a first user, wherein the money request identifies a second user from which money is requested. The method further including transmitting a money request email message to the second user, wherein the money request email includes a token and receiving a response email message to the money request email message, wherein the response email message includes the token. The method further including determining whether the second user is a member based on the received token and an email address associated with the response email message.

Abstract: A method for generating tokens for use in an email-based e-commerce transaction between third party vendor and a customer that is facilitated by a payment server is disclosed. The method may comprise generating a token for use with an email checkout, wherein the token comprises a customer name, and customer email address. The processor may generate an email message for at least one recipient, the email message including a mailto hyperlink including the token, wherein the mailto hyperlink generates an email response message addressed to the payment server including the token. The method may comprise receiving a notification from the payment server indicating that the at least one recipient that the email response message was successfully received by the payment server and the email-based e-commerce transaction is successful.