Facebook API Credentials
- Go to https://developers.facebook.com/ and login with your Facebook account
- Click "My Apps" on the right of top menu and then click "Add a new app"
- Fill in required fields
- Go to Dashboard to find your App ID and App Secret keys
- App Access Token can be found on https://developers.facebook.com/tools/access_token/. Find the row with your recently created app and copy App Token
- To find your Page ID you can use any free online tool like http://findmyfbid.com/ or you can follow official or follow the steps here https://www.facebook.com/help/community/question/?id=10209246525787871