Also question is, how do I get my Facebook API User ID?
If you want to use Graph API to get current user ID then just send a request to: https://graph.facebook.com/me?access_token= then you will get json response which contains only userid. the last part 605430316 is the user id.
Similarly, how do you find someone's Facebook username? You can find it by typing their name into the search box at the top of the screen or by clicking their name in your Friends list. Right-click a gray area of the page. You'll see gray areas to the left and right of the person's profile. A brief menu will appear.
Thereof, how do I find Facebook user information?
Requesting feature access to user fields for the Page
- Go to Page Settings > Advanced Messaging.
- Under 'Info About People' select the field and click the 'Request' button.
How do I find my Facebook page ID using an API?
Under the User or Page drop down menu, select the Page access token for your Page. Next, set the method to POST with a request to the /{page-id}/feed endpoint, then set the Params key to message and the value to your post text. Click Submit. On success, the Graph Explorer will show the ID of the Page post.