With the 123ContactForm – MailChimp integration, you can import emails and leads from your submitters to your MailChimp lists or unsubscribe them. Provide your MailChimp API Key and go to Customize to set up your integration.
To retrieve the API key of your Mailchimp account follow the steps below:
- Log in into your Mailchimp account and go to your account settings (Your username → Account).
- Next go to Extras on the right panel and select API keys from the dropdown list.
- Press Create A Key and a code will be generated on a line below Your API keys. That is your API key.