Is it possible to pass Facebook Graph API access token through request header?

Question

I am testing Facebook Graph API v2.3 with Postman. While it is possible to get response by putting access token in query string as follow:

https://graph.facebook.com/v2.3/me?access_token=my_access_token 

I am wondering whether it's possible to do the same thing with HTTP request headers, which would be something like this:

GET /v2.3/me HTTP/1.1 Host: graph.facebook.com Authorization: <my_access_token> Cache-Control: no-cache Postman-Token: <postman_token> 

Based on this similar question (i.e. How should a client pass a facebook access token to the server?) on Stackoverflow, it seems that this should be possible.

Any thoughts on this?

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Edit:

What raised my interest is that, when I used the API Graph Explorer provided by Facebook Developers, it seems that there's no query string in that sandbox either. How does that work?

Facebook API Graph Explorer DO use query string for access token. Thanks to @CBroe's response.

Answer 1

Yes it is possible

Authorization: Bearer AccessTokenHere 

e.g.

curl --header "Authorization: Bearer CAAC...ZD" https://graph.facebook.com/me

_{This answer previously recommended using "OAuth" instead of "Bearer" as the token type. Both will work, but "Bearer" is the type that shows up in the standard. Also, on completing Facebook's OAuth flow, the token_type in their response is bearer. So all in all "Bearer" makes more sense.}