Instagram Graph API can be used only by “Instagram Professional accounts” – this includes Business accounts (intended for companies), and Creator accounts (intended for individuals, like influencers).
How to accept Graph API calls:
Step 1 - Log into your Instagram account, go to account settings. Here, click “Switch to professional account”.
You have two options: Creator and Business. Select Business, pick a category (can be anything) and skip the step to add contact information.
go to your Facebook page's settings. On “Professional dashboard” select “Linked Accounts”.
Click “Connect account” from Instagram
This will show you a pop-up to enter Instagram credentials, and once you log in, you should see a success message.
You can now connect Tolstoy to you Instagram account.