When connecting Mailchimp, I login, grant Allow, and then this page gives a too many redirect error https://gravityapi.com/wp-json/gravityapi/v1/auth/mailchimp/redirect?auth_error=1
This page isn’t workinggravityapi.com redirected you too many times.
Try clearing your cookies.
ERR_TOO_MANY_REDIRECTS
I do not have any redirect plugins enabled, the /wp-admin/ or wp-login.php page woirk just fine, and I also disabled the Ninja firewall captcha just in case.