# US 2021/0241358 A1 · Secure email authentication system for completing e-commerce transactions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0241358 A1 - Document ID: US20210241358A1 - Status: Published application - Kind: A1 - Application number: 17/239,094 - Filed: 2021-04-23 - Published: 2021-08-05 - Earliest claimed: 2013-02-01 - Assignees: Swoop IP Holdings LLC - Applicants: Swoop IP Holdings LLC - Inventors: Matthew CUSTER - Web page: https://patentgrep.com/patent/US20210241358A1 ## CPC - G06Q 30/0637: {requiring approval before final submission, e.g. parental approval} - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR ## Abstract A system for leveraging email to complete an online checkout from a customer accessing a third party vendor website is disclosed. The system may store customer information including a name, email address, shipping address, and billing information. The system may receive a request for a purchase from the third party vendor including a customer email address and an item to be purchased. The system may authenticate the customer email address. The system may send a first email to the customer email address requesting authorization to complete a purchase. The system may receive a second email, from the customer email address, encoded with the token and confirming or canceling the purchase. The system may authenticate the second email using the customer email address and the token. And the system may transmit a confirmation of purchase of the at least one item to the third party vendor website. ## Claims ### Claim 1 A system for leveraging email to complete an online checkout from a customer accessing a third party vendor website, the system comprising: a computer memory configured to store customer information, the customer information including a customer name, customer email address, customer shipping address, and customer billing information; a receiver configured to receive a request for a purchase from the third party vendor, the request for purchase including an email address and at least one item to be purchased; a processor configured to determine whether the received email address matches the customer email address stored in the computer memory; a transmitter configured to transmit a first email to the customer email address requesting authorization to complete a purchase, wherein the first email includes a mailto hyperlink that is encoded with a token; the receiver further configured to receive a second email, from the customer email address, the second email being encoded with the token and confirming or canceling the purchase; the processor further configured to authenticate the second email using the customer email address and the token; and the transmitter further configured to transmit a confirmation of purchase of the at least one item to the third party vendor website. ### Claim 2 (depends on 1) The system of claim 1, wherein the token is an encrypted string and is embedded in a message body of the second email. ### Claim 3 (depends on 1) The system of claim 1, wherein the token is an encrypted image attached to the second email. ### Claim 4 (depends on 1) The system of claim 1, wherein the third party vendor is an online retail website. ### Claim 5 (depends on 1) The system of claim 1, wherein the third party vendor is a non-profit organization and the at least one item to be purchased is a donation to the non-profit organization. ### Claim 6 (depends on 1) The system of claim 1, wherein the second email confirms at least a portion of the purchase and cancels at least a portion of the purchase. ### Claim 7 (depends on 1) The system of claim 1, further comprising the transmitter further configured to transmit a confirmation of purchase of the at least one item to the customer. ### Claim 8 (depends on 7) The system of claim 7, wherein the confirmation of purchase of the at least one item is in the form of an SMS message. ### Claim 9 A method for leveraging email to complete an online checkout from a customer accessing a third party vendor website, the method comprising: storing, by a computer memory, customer information, the customer information including a customer name, customer email address, customer shipping address, and customer billing information; receiving, by a receiver, a request for a purchase from the third party vendor, the request for purchase including an email address and at least one item to be purchased; determining, by a processor, whether the received email address matches the customer email address stored in the computer memory; transmitting, by a transmitter, a first email to the customer email address requesting authorization to complete a purchase, wherein the first email includes a mailto hyperlink that is encoded with a token; receiving, by the receiver, a second email, from the customer email address, the second email being encoded with the token and confirming or canceling the purchase; authenticating, by the processor, the second email using the customer email address and the token; and transmitting, by the transmitter, a confirmation of purchase of the at least one item to the third party vendor website. ### Claim 10 (depends on 9) The method of claim 9, wherein the token is an encrypted string and is embedded in a message body of the second email. ### Claim 11 (depends on 9) The method of claim 9, wherein the token is an encrypted image attached to the second email. ### Claim 12 (depends on 9) The method of claim 9, wherein the third party vendor is an online retail website. ### Claim 13 (depends on 9) The method of claim 9, wherein the third party vendor is a non-profit organization and the at least one item to be purchased is a donation to the non-profit organization. ### Claim 14 (depends on 9) The method of claim 9, wherein the second email confirms at least a portion of the purchase and cancels at least a portion of the purchase. ### Claim 15 (depends on 9) The method of claim 9, further comprising transmitting, by the transmitter, a confirmation of purchase of the at least one item to the customer. ### Claim 16 (depends on 15) The method of claim 15, wherein the confirmation of purchase of the at least one item is in the form of an SMS message. ### Claim 17 A system for leveraging email to complete an online checkout from a customer accessing a third party vendor website, the system comprising: a computer memory configured to store customer information, the customer information including a customer name, customer email address, customer shipping address, and customer billing information; a receiver configured to receive a donation from the third party vendor, the donation including an email address and amount to be donated; a processor configured to determine whether the received email address matches the customer email address stored in the computer memory; a transmitter configured to transmit a first email to the customer email address requesting authorization to complete the donation, wherein the first email includes a mailto hyperlink that is encoded with a token; the receiver further configured to receive a second email, from the customer email address, the second email being encoded with the token and confirming or canceling the donation; the processor further configured to authenticate the second email using the customer email address and the token; and the transmitter further configured to transmit a confirmation of the donation to the third party vendor website.