Facebook API Question posted in
The official documentation for the Facebook APIs can be found here.

Graph API: All Mutual Friends Returning Empty List

All mutual friends request made from my app server (node) (also tried the Facebook API explorer) suddenly started returning an empty array for the data field. I confirmed and validated my access token and appsecret_proof on the API explorer. Do you know what has changed or what the request below is missing?

Note: both users use the app and have granted user_friends permission.

I am using v2.12

request
{
url: ‘https://graph.facebook.com/v2.12/{user-facebookid}?fields=context.fields(all_mutual_friends.limit(5000))’,
qs: {access_token: ‘XXXXX’
,
appsecret_proof: crypto.createHmac(‘sha256’, clientSecret).update(accessToken).digest(‘hex’)

        }
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2

Answers


  1. 0

    Yep. Facebook has taken down the Graph API for page access tokens. The only way to retrieve data (or was a week or so ago), was a temporary user token that lasts about 2 hours. It’s totally broken my band’s schedule page. I’ve been through every avenue and even spoke with a facebook ad team employee on the phone that was aware of it. She seemed to empathize but had no solution for me. I would count on it being down for a while.

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  2. 0

    I have finally figured out a work around for this. On your fb application, you have to disable the secret key requirement. This can be found under the advance settings of your fb application console. It’s called ”
    Require App Secret”.

    Once you generate a fb PAGE access token, you get a fb page token, and then extend it.
    here is the token debugger:
    https://developers.facebook.com/tools/explorer/

    You can extend the access token programmatically as explained here:
    https://developers.facebook.com/docs/facebook-login/access-tokens/expiration-and-extension

    AND

    https://developers.facebook.com/docs/facebook-login/access-tokens/#pagetokens

    There is also an extend tool in the access token debugger.

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