https://developers.facebook.com/apps/
Create app and choose Manage everything on your Page

I don’t want to connect a business portfolio yet

Publishing requirements – Leave it blank

Customize Use Cases

Activate the following use cases
pages_show_list
pages_read_engagement
pages_read_user_content

Tools / Graph API Explorer

Add permissions and generate access token

Generate Long-lived USER
https://graph.facebook.com/oauth/access_token
?grant_type=fb_exchange_token
&client_id=APP_ID
&client_secret=SECRET
&fb_exchange_token=TOKEN
Generate Long-lived PAGE token
https://graph.facebook.com/v24.0/me/accounts
?access_token=LONG_LIVED_USER_TOKEN
Test
https://graph.facebook.com/v24.0/FACEBOOK_ALBUM_ID?fields=photos.limit(3){id,images}&access_token=PAGE_ACCESS_TOKEN
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