3 merge requests!41Issue #3345228: Update docs to reflect new OAuth config method,!353.x - Merge Oauth work into 3.x after that work has beeb merged into 2.x,!25Issue #2951089 by thomscode, Guietc: WSOD - Proxy issue
1. From the Global Settings tab check the box for “Use OAuth Authentication."
2. Leave all other fields they are and click “Save Configuration.”
3. Visit the OAuth Settings Tab.
4. Enter a domain (or leave the default value).
5. Click "Authenticate."
6. This will trigger a new window (or tab) to open where you will be prompted to log in to Mailchimp and grant access to Mailchimp for Drupal.
7. Follow the prompts to do so and then you will be returned to the OAuth Settings tab. That page will automatically refresh and present a success message stating that you are connected to the Mailchimp API.
8. That's it! Now that you have granted access to Mailchimp for Drupal. You can configure your Mailchimp audiences, campaigns, forms, and pages.
### Using API Key (Deprecated)
1. Direct your browser to admin/config/services/mailchimp to configure the