Hello @EMI_Signs ,
Since Instagram is owned by Facebook, some of its requirements (especially for connecting with 3rd party APIs) include connecting the Insta business page with a Facebook business manager. I'd recommend checking out the following articles, if you're needing guidance setting up your Insta page to connect with your Constant Contact account:
Setting up an Insta business page
Connect an Instagram Business Profile to a Facebook Page or Change the Facebook Page associated with your Instagram Business Profile
Connect your Insta page to your CTCT account
Remember that the personal FB account you login with will need to be an admin for the associated FB and Insta pages you're trying to connect. If you need further assistance or clarification on connecting your Insta pages with your Facebook business manager, I'd advise reaching out to Facebook / Instagram's support.
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