I have a livestreaming (consumer) app with an associated Facebook page, and my goal is to broadcast streams from my app onto my Facebook page (live).
I have understood that part of the process to do this is getting a page access token from an admin of the page (like myself), who has granted my app the pages_read_engagement and pages_manage_posts permissions (which I have not done). However, in order to request those permissions, it seems like I would have to change the status of my app in Facebook (from being a consumer app), add those permissions, and undergo app review, even though I only want to request those permissions from a specific user. (This particular method is also not possible, since I already have 200,000+ users actively using my app.)
So my question is, how can I get a Facebook page access token for only a specific user of a specific page?
As i understand, i need to validate my person, wait for my app review etc.
But what if i just need to post only on my page and nowhere else? Someone told me that i just have to be an app and page administrator and i even can leave app in dev mode but it didn't work for me. In all cases i just recieve
If posting to a group, requires app being installed in the group, and either publish_to_groups permission with user token, or both manage_pages and publish_pages permission with page token; If posting to a page, requires both manage_pages and publish_pages as an admin with sufficient administrative permission
Is it any way to skip all these checks and use API for posting? If not, can you tell me some free services i can use to reach this with? Much thanks for answers.
If you are posting to a page (any page) you need a token with manage_pages and publish_page.
You can generate a test token using the explorer: https://developers.facebook.com/tools/explorer/ - but this token is short lived (1h)
Using the short term token in the explorer, you can get a list of your pages (endpoint: /me/accounts) that you manage and that list will contain a page_token for each page you manage.
With that page_token you can post to the page.
You can put the page_token into the Access token debugger to see it's permissions.
https://developers.facebook.com/tools/debug/accesstoken/
You need approvals if you are putting the app live and allowing non-developers access to it.
I've been working on getting an old server-to-server Facebook app working which was previously used to load a feed of page posts for pages we own, but even after completing the review for manage_pages access I still get the error "This endpoint requires the 'manage_pages' permission or the 'Page Public Content Access' feature" when I try to access the feed via
https://graph.facebook.com/[page_id]/posts?access_token=[app access token]
or
https://graph.facebook.com/[page_id]/feed?access_token=[app access token]
I've tried generating the app access token with the Graph API explorer and also tried using [app ID]|[app secret] as the access token, but get the same result either way. Is there something I need to do to grant the app manage_pages access for specific pages now facebook's reviewed it, or is there something else I'm missing? The user that created the app can access the data if using a page access token, but since they removed the ability to create permanent page access tokens that's not really a viable option
edit: Looking into the documentation, it seems I should be able to request a page access token using the app authentication now that it's been approved for manage_pages permissions. However, trying to access one with https://graph.facebook.com/v5.0/[page ID]?fields=access_token&access_token=[app access token] also generates the manage_pages or Public Content permissions error, which seems like it would suggest the app doesn't actually have manage pages permissions?
I'm aware that there are many questions about Facebook access-tokens and the grief they cause, but despite much experimentation and reading many frustratingly vague blog articles (FB and otherwise), I'm still struggling to get a clear answer to my needs. Let me succinctly break down my process so far:
I am creating a site that, server-side, needs to pull the posts/statuses from a single Facebook Page
I am an admin of that Facebook Page
I have created a Facebook App
Using the Facebook Graph API Explorer, I've generated a short-lived key, connected to my app and my account, that grants permission to my account to view the access-tokens for my pages
I've converted my short-lived key to a long-lived key (60 days) ala scenario 4 from this
And here's where I am stuck. My 60 day key works fine for my server to pull the info needed from the page, but as far I can tell, there's no way to programmatically extend that 60 day key. I also do not know of a way to generate a new short-lived key without manually going to the Facebook Graph API Explorer and creating one.
Since it is my server making the requests to the Facebook API and not a user-based system (where I could easily request that a user authorize the Facebook app again), this creates a very clunky system. Since Facebook deprecated offline_access, is there really no permanent way to have my server pull info from my own page? Will I really have to create a new key by hand and manually update my server with it every 60 days?
Or is there something I'm missing?
Update:
The step-by-step guide that was previously found here has been migrated down into its own answer.
These are the steps that were previously in the question - they have been migrated to this answer.
Having found that it is possible to generate a Facebook Page Access Token that does not expire (with help from #Igy), here is a clear, step-by-step quide for all those looking to the same:
Make sure you are the admin of the FB page you wish to pull info from
Create a FB App (should be with the same user account that is the page admin)
Head over to the Facebook Graph API Explorer
On the top right, select the FB App you created from the "Application" drop down list
Click "Get Access Token"
Make sure you add the manage_pages permission
Convert this short-lived access token into a long-lived one by making this Graph API call:
https://graph.facebook.com/oauth/access_token?client_id=<your FB App ID >&client_secret=<your FB App secret>&grant_type=fb_exchange_token&fb_exchange_token=<your short-lived access token>
Grab the new long-lived access token returned back
Make a Graph API call to see your accounts using the new long-lived access token: https://graph.facebook.com/me/accounts?access_token=<your long-lived access token>
Grab the access_token for the page you'll be pulling info from
Lint the token to see that it is set to Expires: Never!
That should do it. You should now have a Facebook Page Access Token that doesn't expire, unless:
You change your Facebook account password
You lose admin access for the target page
You delete or de-authorize your Facebook App
Any of these will cause the access token to become invalid.
If you are getting (#100) Tried accessing nonexisting field (accounts) on node type (Page), go to the Access Token Debugger, copy the value of User ID, and use it to replace the "me" part of the URL in step 9.
This is covered in the Offline Access deprecation document
Use the 60-day token for the page admin to retrieve a Page Access Token (via /PAGE_ID?fields=access_token or /me/accounts) - the Page access token will not have an expiry time
An approach that works in 2019
I was recently trying to achieve something similar (to the use case described in this thread), but I wanted to make sure to respect Facebook's current policies, so I did a little research and here I'm sharing what I found.
My use case
So, as I said already, my use case is very similar to the one described here; that is:
I'm doing some work for a school district.
They are using a software tool to manage pretty much everything that relates to school transportation.
That tool allows them to send email notifications (to subscribers) when they publish bus delay alerts and school closure alerts.
A lot of people in the community follow the organization on their Facebook page, and that's the only place they look for those alerts.
So an employee of the organization has to manually publish each notification on the Facebook page (in addition to creating it in the transportation software). Moreover, those notifications eventually expire (or are simply deleted before they expire), so the employee has to go back later on to delete them manually as well.
It's a waist of time, so what we are trying to do here is to develop as simple system that periodically polls the software tool's database for new (and expired) notifications and update them (i.e. add and remove) on the Facebook page.
This is, in my view, a legitimate use case, but I wasn't sure how to implement it in a way that's in line with Facebook's policies.
The accepted answer
I followed the steps of the accepted answer and it worked, except that things appear to have changed: now, even though the generated page token does not expire, access to data does expire after around 60 days. You will see that as well if you follow the procedure and inspect the page token in the FB Token Debugger Tool.
Besides, the fact that the generated page tokens are tied to the user account is also unfortunate, because if the user updates his/her password, then the page token also gets invalidated.
How to do it in 2019
After several hours of research, I stumbled upon the following Facebook documentation article: Business Login for Direct Businesses.
It turns out that it is now possible, following the steps described in the above article, to generate a page token that is not associated to any particular Facebook user account and which will not expire (unless the FB App gets deleted or the underlying application token gets deleted, you know...)
So here are the steps and the most important parts:
You need a Business Manager account.
Verification will be required and a digital contract will have to be signed.
You need to add the target Facebook page to that account.
You need to create a Facebook App, and transfer that app to the same Business Manager account as well.
The app will have to go through Facebook's review process, because the following permissions will be needed: manage_pages and publish_pages.
Important note For the posts made using the generate page token to be visible to users other than the application administrators, that app will need to have been published and approved.
You may still experiment with the concept without submitting for review, but the posts won't be publicly visible.
In the Business Manager account (only after your app and page have been added to the account), you need to create what's called a System User, and give that user admin role (or permissions) to the target Facebook page.
A system user is owned by the Business Manager account, and isn't tied to a specific user. My current understanding is that one major use case for a system user is programmatic access to Facebook's Graph API (just what we need).
Then, for that system user, you need to generate a access token (which will be never-expiring). You will be prompted to select for which app. You will then select your target app.
You will then need to use the generated app token to generate a page token, which will also be never-expiring. The procedure is described in this article as:
GET /<PAGE_ID>?fields=access_token&access_token=<SYSTEM_USER_ACCESS_TOKEN>
That's it.
That token will never expire, and it won't be tied to a particular Facebook user, so it's exactly what we need!
The last part is to make sure that your Facebook app gets approved by Facebook. It's in fact the most important part, because the whole procedure is worthless if people don't see our posts.
I wanted to know for sure that I could rely on the above procedure to build something for my client without Facebook rejecting it in the end, so, beforehand (i.e. before starting to work on my client's project), I went through the whole process of creating a page, an app, a Business Manager account, etc. I verified my business. I submitted my app for review. In my request, I was very specific about my use case and emphasized that the app was for "self-use" (i.e. that the organization is developing an app for itself, not for other Facebook users). I got approved without less than 24 hours.
A few other notes about the app review process:
I had to select a platform for the app, so I selected website.
I had to indicate why the app needed the two permissions and how it was going to use them.
I had to indicate why the reviewer would not be able to sign into my app and try it (i.e. because the app will be used by a worker process).
For the mandatory screencasts, I simply presented manual operations in the terminal using the curl utility (to generate the page token and make posts to the Facebook page). I also showed how I was using Business Manager to link the system user to the page and generate a token, and so on.
Again, I was very specific about my use case, and I think that that helped.
I hope this information will be useful to people with similar use cases.
Many thanks to #redhotvengeance for step-by-step guide.
After some time, now there is clearly described in Facebook documentation:
https://developers.facebook.com/docs/facebook-login/access-tokens/expiration-and-extension
Extending Page Access Tokens
Apps can retrieve a page access token from Page admin users when they
authenticate with the manage_pages permission. If the user access
token used to retrieve this page access token is short-lived, the page
access token will also be short-lived.
To get a longer-lived page access token, exchange the User access
token for a long-lived one, as above, and then request the Page access
token. The resulting page access token will not have any expiry time.
You can also copy and past from the app dashboard on facebook.
The steps:
Go to https://developers.facebook.com
Select your app in the top right corner of the page
(pic of what it looks like)
Click on Messenger from the options on the left (it will go to setting automatically) (pic of what it looks like)
Go to the "Token Generation" section in the page. Select what page you want to generate the token for. (pic of what that section looks like)
The copy and past your page token where ever you need it.
Keep in mind that while in theory your token won't expire, that it is directly tied to what ever facebook account your logged into. So say you change your password or you remove the permissions from between your account and your app then your token won't be valid any more.
I am creating a web application that is trying to use "public" Facebook content.
It is not your traditional "Facebook Application" because I'm not actually signing up Facebook users to use it, but the users will be all server-side.
I've come to a point in which I am having to use an "access_token" for certain "public" pieces of content and I have been able to generate a app access_token but this does not work for the public data I'm interested in accessing.
access_token's created via
https://graph.facebook.com/oauth/access_token?client_id=APP_ID&client_secret=APP_SECRET&grant_type=client_credentials
do not work for
https://graph.facebook.com/chickfila/notes?access_token=CODE_FROM_ABOVE
which is publicly accessable w/o login here...
http://www.facebook.com/ChickfilA?sk=notes
Any way to give an app itself a user-level access_token?
I had a very similar problem with publicly available event data. What I had to do was to create an offline access token for the admin of the application.
So, log in with your admin and open the following URL (replace APP ID with your ID and eventually you need more permissions, but read_stream and offline_access should do the trick):
https://graph.facebook.com/oauth/authorize?client_id=APPID&scope=offline_access,read_stream&redirect_uri=http://www.facebook.com/connect/login_success.html
This will give you a code, that you will paste in the following URL (with your APP ID and SECRET):
https://graph.facebook.com/oauth/access_token?client_id=APPID&redirect_uri=http://www.facebook.com/connect/login_success.html&client_secret=SECRET&code=CODE
This will give you an access token that should work forever (or until you change your password).
Recently I used the access token freely available from the Facebook Graph Explorer which will let you browse different graph resources and will let you specify what permissions you need. For this you can tell it you want offline_access and that token can be used to pull this information whenever it is needed without worrying about your token expiring.
Create an user just for your app and let the user authorize your app and get the access token and use it for this kind of data fetching. Some manual work but as long as you have some user authorized access token you should be able get the public contents.