MailChimp – Pass Email to Form

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I wanted to use a basic email field and send the information to a mailchimp form.  I could not find the solution anywhere, so I decided to see if I could hack a solution.

When you go to MailChimp > For Your Website > Signup Form Link Code
You will get something like: http://eepurl.com/XXXX, which will take you to something like:

http://toolstoday.us2.list-manage.com/subscribe?u=XXXXXXXXXXX&id=XXXXXXXXXXX

If you look at the source on this page, you will see that the form elements are called: MERGE0, MERGE1…

On my form, the email field is MERGE0, so on my website, I was able to create a javascript link that will automatically fill in email by using this link:

http://XXXXXXXXXXX.us2.list-manage.com/subscribe?u=XXXXXXXXXXX&id=XXXXXXXXXXX&[email protected]

You can fill in more than one field by adding more merge fields in the url:

http://XXXXXXXXXXX.us2.list-manage.com/subscribe?u=XXXXXXXXXXX&id=XXXXXXXXXXX&[email protected];MERGE1=Daniel Folkes

Then, you can use this jquery to auto open a new window on enter key press:

            $("#ea").keypress(function (e) {
                if (e.which == 13) {
                    e.preventDefault();
                    //dan@dans
                    var url = "//XXXXXXXXXXX.us2.list-manage.com/subscribe?u=XXXXXXXXXXX&id=XXXXXXXXXXX";
                    url += "&MERGE0=" + $("#ea").val(); // ea is my email input text box.
                    window.open(url, "mywindow", "status=1,toolbar=1,resizable=1,width=1000,height=600");
                }
             });
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