Est. Budget: $100.00
1shoppingcart.com is often used as an ESP (email service provider) that externally mails to subscribers I upload to my account. They do no easily allow import of previous email contacts at one given time, and typically permit live contacts to come in through a live web signup form. I have thousands of previously "signed up" subscribers I would like to import into their platform. They have an API to allow contacts to come in through their "backdoor" usually via ...