To send Bitcoin to a given email, all you need to do is call the Pay to Email API with a POST call providing the following properties:
Property
Description
email
Recipient email to send payment to.
amount
Total amount of satoshis to send (in millisatoshis).
comment
comment to be sent with the payment (max 150 characters).
Example: If you wish to reward 20 satoshis to a user for their completion of a challenge, and you have the user’s email, you can use the information below to send it in 1 API call.