Get Facebook User ID from app-scoped User ID

Question

With the upgrade from Facebook Graph API v1.0 to v2.0, Facebook is using \"App-scoped User IDs\", so I cannot see the \"original\" user ID inside my apps anymore.

I

Answer 1

From your conversation between Johannes N.

Can I get the app-scoped ids (for apps I own) via the original user id. that would help too.

To get app-scoped ids from original user id can be easily done via:

https://graph.facebook.com/v2.0/?ids=http://www.facebook.com/USER_ID&access_token=ACCESS_TOKEN

Yo can use fields parameter to return only id:

https://graph.facebook.com/v2.0/?ids=http://www.facebook.com/USER_ID&fields=id&access_token=ACCESS_TOKEN

The benefit of ids instead of id because you can query multiple ids:

*www can be remove to minimize characters count.

To get app-scoped ids from username can be easily done too:

https://graph.facebook.com/v2.0/?ids=http://www.facebook.com/USERNAME&access_token=ACCESS_TOKEN