curl -X GET "https://graph.facebook.com/oauth/access_token

  ?client_id={your-app-id}

  &client_secret={your-app-secret}

  &grant_type=client_credentials"

{

  "entry": [

    {

      "id": "1381739901945384",

      "changed_fields": [

        "certificate"

      ],

      "time": 1510160948

    }

  ],

  "object": "certificate_transparency"

}

curl -i -X GET "https://graph.facebook.com/facebook/picture?redirect=false"

curl -i -X GET \

  "https://graph.facebook.com/"103869742223019"?access_token=ACCESS-TOKEN"

curl -i -X GET \

  "https://graph.facebook.com/USER-ID/photos?access_token=ACCESS-TOKEN"

{

  "id": "USER-ID",

  "name": "EXAMPLE NAME",

  "email": "EXAMPLE@EMAIL.COM",

  "picture": {

    "data": {

      "height": 50,

      "is_silhouette": false,

      "url": "URL-FOR-USER-PROFILE-PICTURE",

      "width": 50

    }

  }

}

curl -i -X POST \

  "https://graph.facebook.com/USER-ID?email=YOURNEW@EMAILADDRESS.COM&access_token=ACCESS-TOKEN"

curl -i - X POST "https://graph.facebook.com/PAGE-ID/feed?message=Hello&

  fields=created_time,from,id,message&access_token=ACCESS-TOKEN"

{

  "created_time": "2017-04-06T22:04:21+0000",

  "from": {

    "name": "My Facebook Page",

    "id": "PAGE-ID"

  },

  "id": "POST_ID",

  "message": "Hello",

}

curl -i -X DELETE \

  "https://graph.facebook.com/PHOTO-ID?access_token=ACCESSS-TOKEN"