As of July 2015 you can now create a 60 day access token easily in Facebook
The first you need to grant permissions to your app to get an access token.
https://developers.facebook.com/tools/accesstoken/
Copy User Token and paste it to EXISTING_ACCESS_TOKEN and change your APP_ID and APP_SECRET
The first you need to grant permissions to your app to get an access token.
https://developers.facebook.com/tools/accesstoken/
Copy User Token and paste it to EXISTING_ACCESS_TOKEN and change your APP_ID and APP_SECRET
https://graph.facebook.com/oauth/access_token?
client_id=APP_ID&
client_secret=APP_SECRET&
grant_type=fb_exchange_token&
fb_exchange_token=EXISTING_ACCESS_TOKEN