In order to pass contact information to Mailchimp, you have to integrate with it first. If you have not done that yet, you can learn how to do that by clicking this link:
You can find out the names of the merge tags and the information on which fields pass to Mailchimp via API in this article:
In order to make the information you gather on your pages pass to Mailchimp, please, follow this tutorial:
You will need to build a page by adding the input forms you need to it:
After that, if you have not done that, you will have to create a list in Mailchimp by clicking this button:
Provide all the information needed to create a list and proceed to configuring the merge tags for that list in the settings:
You will have to add all the fields you want to gather on your optin pages by clicking this button:
Select the type of the field to be "Text":
Each field you make should be set as visible and not required.
After that configure the merge tags for the fields you have created in your Mailchimp list with the ones you can look up here:
For instance, for the phone field, it will be PHONE, for the last name it will be LNAME and so on.
Once you are done configuring the list fields in Mailchimp, don't forget to save the changes.
The last step would be integrating Mailchimp list on your page.
Here is how you can do that:
After that the contact information will be passed to Mailchimp successfully, once somebody opts in.
If you want to pass custom input forms to Mailchimp, you can learn how to do that in a more detailed guide here:
If you have any questions or concerns, please contact our support team by emailing firstname.lastname@example.org or by clicking the support icon in the bottom right-hand corner of this page.