How to hack Facebook user ID's using the API

How to obtain a user's ID from their username

There are many ways to do this such as simply get the URL of the user's photo. Here is how to do it with curl and the Facebook API:

Example Facebook Page:

https://www.facebook.com/burrowsapps

Username:

burrowsapps

Use the Facebook API:

https://graph.facebook.com/

Open Terminal:

curl "https://graph.facebook.com/burrowsapps"

It should return a JSON string:

{"about":"Burrows Apps - https:\/\/play.google.com\/store\/apps\/developer?id=Burrows+Apps - Applications - http:\/\/www.burrowsapps.com","awards":"http:\/\/www.youtube.com\/watch?v=bpOY-sa1sCI","description":"Programming and Mobile Applications\nSecurity Fixes and Exploits\nCourses Notes and Solutions","is_published":true,"mission":"To provide top of the line mobile applications and support for all users.","products":"Applications: \ncrypTo: https:\/\/play.google.com\/store\/apps\/details?id=burrows.apps.crypto\nRoot Checker: https:\/\/play.google.com\/store\/apps\/details?id=burrows.apps.rootchecker\nApp Manager:\nhttps:\/\/play.google.com\/store\/apps\/details?id=burrows.apps.appmanager\nProjects:\nCourse Notes:\nhttp:\/\/blog.burrowsapps.com\/p\/notes.html","talking_about_count":3,"username":"burrowsapps","website":"http:\/\/www.burrowsapps.com\/","were_here_count":0,"category":"Computers\/technology","id":"140257159405760","name":"BurrowsApps","link":"http:\/\/www.facebook.com\/burrowsapps","likes":56,"cover":{"cover_id":341087719322702,"source":"http:\/\/sphotos-b.xx.fbcdn.net\/hphotos-snc7\/s720x720\/598549_341087719322702_28686629_n.jpg","offset_y":0}}

Look for the "id" object:

"id":"140257159405760"

Check for yourself:

https://www.facebook.com/burrowsapps = https://www.facebook.com/140257159405760