Transferring money using email

A computer implemented method comprising:

• receiving, at a user device, user input of a payment amount to be transferred from a sender account of a sender of a payment service system to a recipient account of a recipient of the payment service system;
• generating a draft email message having the payment amount in a subject or body of the email message;
• receiving, at the user device from the sender, user input of a recipient email address of the recipient into a draft email message;
• receiving, at the user device, an indication that the sender sent the email message to the recipient;
• and
• in response to receiving an indication that the sender sent the email message to the recipient, sending, by the user device to the payment service system, the payment amount, an email address associated with a sender account, and the recipient email address, wherein upon receiving the payment amount and the recipient email address, the payment service system identifies a recipient account of the recipient associated with the recipient email address and initiates a transfer of the requested payment amount from the sender account to the recipient account.

A computer-implemented method comprising:

• receiving, at a user device, user input of a request to send a payment amount from a sender account of the sender with a payment service system to a recipient account of the payment service system;
• receiving, from the sender, user input of a recipient email address of the recipient into a draft email message;
• receiving an indication that the sender sent the email message to the recipient;
• and
• in response to receiving an indication that the sender sent the email message to the recipient, sending, by the user device to the payment service system, the payment amount and the recipient email address, wherein upon receiving the payment amount and the recipient email address, the payment service system identifies a recipient account of the recipient and initiates a transfer of the requested payment amount from the sender account to the recipient account.

A computer-implemented method comprising:

• receiving, at a payment service system from a user device, a first email message requesting an amount to be transferred between a sender account of the payment service system and a recipient account of the payment service system, the sender account being associated with the sender of the first email message, the recipient account being associated with the recipient of the first email message, wherein the first email message includes a requested payment amount in a subject or body of the email message;
• determining that the requested payment amount in the first email message is an invalid payment amount;
• in response to determining that the requested payment amount in the first email message is an invalid payment amount, sending a second email message to a sender email address of the sender, the second email message inviting the sender to correct the requested payment amount;
• receiving, at the payment service system from the user device, a corrected email message that includes a corrected payment amount;
• identifying the sender account associated with the sender email address and a recipient account associated with the recipient email address;
• and
• initiating a transfer of the corrected payment amount.

A computer-implemented method comprising:

• receiving, at a payment service system, a first email message requesting an amount to be transferred between a sender account of the payment service system of a sender of the first email message and a recipient account of the payment service system of a recipient of the first email message, wherein the first email message includes a requested payment amount to be transferred and an identification of a recipient email address of the recipient;
• determining that the first email message includes an error;
• in response to determining that the first email message includes an error, sending a second email message to a sender email address of the sender, the second email message including information that identifies the error;
• receiving, from a user device, a corrected email message that includes corrected information;
• and
• initiating a transfer of the requested amount according to the corrected information, including identifying a sender account of the sender, identifying a recipient account of the recipient, and transferring the requested payment amount between the sender account of the sender and the recipient account of the recipient.