curl --location --request POST 'https://rest.clicksend.com/v3/email/receipts' \
--header 'Content-Type: application/json' \
--data-raw '{
"url": "http://yourdomain.com"
}'
{
"data": {
"email": "john_doe@user.com",
"message_id": "73A80623-CFC3-4E7F-856A-880B289242D7@clicksend.com",
"status": "Delivered",
"timestamp": 1476870832
},
"http_code": 200,
"response_code": "SUCCESS",
"response_msg": "Receipt has been added."
}