change_history MailChimp Add-On
Troubleshooting MailChimp error “Unable to add/update subscriber” and “Invalid Resource” Errors
Any error that occurs while attempting to add or update a MailChimp subscriber will generate the generic message "Unable to add/update subscriber", which will be saved to the MailChimp error log (if logging of all messages is enabled), as well as a more detailed error message from MailChimp.
Adding MailChimp Subscriptions To Groups
When using the MailChimp add-on, you can add users to groups to better target subscribers. For example, if you want to send a mailing list to all users who have shown interest in baseball, you can group users by interest so that the content can be specifically tailored to them.
MailChimp Add-On Requirements
The following are required to use the MailChimp add-on: Gravity Forms version 1.9.3 or higher. The mbstring PHP extension (if unsure, contact your web host). The cURL PHP extension (if unsure, contact your web host). Any additional requirements set forth by the main Gravity Forms plugin.
Conditional List Subscriptions
In some scenarios, you may want different your users to subscribe to different mailing lists based on their form selections.
Creating a Feed for the MailChimp Add-On
To use the MailChimp add-on for Gravity Forms, you will need to create a feed which will determine how the data is passed from your form to MailChimp.
Obtaining and Activating Your MailChimp API Key
To use the MailChimp add-on for Gravity Forms, you will first need to obtain and save a MailChimp API key. In this article, we will show you how to get your MailChimp API key, then save it within the MailChimp add-on.