You can now use Backer even if you already have a 529 plan account, as long as your plan is compatible with our platform. Check out this article to see which plans are currently compatible:
In order to connect your 529 plan account to our platform, you'll want to first create an account with Backer. You should then select "Link My Plan" and provide your 529 plan account information so that we can validate your account. If you have any questions along the way, please feel free to reach out to us at firstname.lastname@example.org.