When logging in with a specific account using Facebook login, the granular_scopes have the specified scopes registered. However, when trying to obtain the business_account_id from the Facebook page information, the page information itself cannot be retrieved.

https://graph.facebook.com/v18.0/debug_token?access_token=XXXX&input_token=XXXX { "data": { "app_id": "XXXXXXXXXXX", "type": "USER", "application": "XXXXXXX", "data_access_expires_at": 1733906545, "expires_at": 1731311865, "is_valid": true, "issued_at": 1726130546, "scopes": [ "openid", "pages_show_list", "business_management", "instagram_basic", "instagram_manage_comments", "instagram_manage_insights", "pages_read_engagement", "pages_manage_metadata", "pages_read_user_content", "pages_manage_ads", "public_profile" ], "granular_scopes": [ { "scope": "pages_show_list" }, { "scope": "business_management" }, { "scope": "instagram_basic" }, { "scope": "instagram_manage_comments" }, { "scope": "instagram_manage_insights" }, { "scope": "pages_read_engagement" }, { "scope": "pages_manage_metadata" }, { "scope": "pages_read_user_content" }, { "scope": "pages_manage_ads" } ], "user_id": "1597512874529256" } }

https://graph.facebook.com/v18.0/me/accounts?access_token=XXXXX&fields=id%2Cname%2Caccess_token%2Cinstagram_business_account%7Busername%2Cname%2Cprofile_picture_url%7D { "data": [

] }