Is it possible to programmatically analyze facebook trade groups? If yes, could you point me to a tutorial?
Edit: OK, seems like it's illegal per Facebook Terms of Service. I guess this makes the question irrelevant: https://www.facebook.com/apps/site_scraping_tos_terms.php
As Wizkid mentioned, facebook does not provide an api for fetching other people's facebook page content.
You can access plenty of information about your own Facebook Page using the Graph API, but not pages you dont have permissions on.
Programmatically accessing the page content of pages outside the graph api violates the facebook TOS, which will result in banning.
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In the past, I think a Facebook Page access token could be generated manually, and then used with the graph API to query posts, comments, likes, shares, etc. Now it seems you cannot query anything without developing an app that I login to and then in turn the app generates the access token. Is that true? For example, this question from 2015 claims no access token is needed for public data, but when I try their example it returns "An access token is required to request this resource."
I'm the admin of my page that ran a basic contest (giveaway). I'd like to use the graph API to fetch the names of people that liked, shared, or commented on a post. Then I want to cross reference it with those that like the page. Do I have to register and develop an app for this? Does my page have an access token available without going through the app registration and review process?
Can I access a Facebook Page with the Graph API without creating an app?
No, that is not possible. You always have to use an App for any API Access.
Then I want to cross reference it with those that like the page.
That is not possible either, not even with an App. I assume you want to make sure that participants like your Page - which is not allowed. People cannot be "incentivized" to like your Page.
Platform Policy: https://developers.facebook.com/policy/
Explanation about the specific rule against requiring people to like your Page: https://developers.facebook.com/docs/apps/examples-platform-policy-4.5
We want users to be able to post to their Facebook if they want to. We have it kind of working with the older Facebook profile but not with the new Timeline.
We want it to be like Tumblr where you can post/share to your Facebook account as much as you want.
Is there a limit of post that we can have a day per users or the via entire API in general?
We are using FB connect already of course!
The documentation for Facebook's Open Graph is probably the best place to start. Take a look at their best practices page, as well:
If your application is making too many calls, the API server might rate limit you automatically, returning an "API_EC_TOO_MANY_CALLS" error.
I'd like to know if there is a possibility to check (using Graph API or any other way) whether given user likes / shares a specific link. Probably I'll have this user's facebook ID or facebook login, but my site is non-Facebook application. Actually it's Dot Net Nuke portal (target: .NET with MS SQL Server) with part of it being avaliable as Facebook app, but certainly not greater part of it, so the solution should be out of Facebook Connect, although it's not a showstopper if it's necessary.
We'll be giving points to users who share/like most of links that we serve in our portal and such possibility would be a great help to make a ranking.
Another option we consider is making some kind of "wrapper" or proxy for FB like / share buttons which will at first save some data in our database (probably - this user clicked on like for this link) and then go on with standard FB like / share route. Did anybody of You tried such solution?
If You have any other suggestion on the subject, please, post them, we'll be really thankful.
It is possible to know if a user has LIKED a site or not. You can get all user's likes with Graph API (you need user_likes permission). Take a look at the docs: http://developers.facebook.com/docs/reference/api/user/
I'm not sure if you can know if he has shared your site, but you could try by parsing his wall with the read_stream permission and then look for your site name/URL post by post.
For just general liking of items on your site, you can use a Facebook Social Plugin. However, you won't be able to associate (or really even access) user activity with users on your site without integrating Facebook Connect and creating a Facebook application for your site. At that point you can design with greater control all the possible user activity and interleave with your facebook calls other calls that affect users' accounts on your site.
Sites like appdata dot com, provide detailed stats on usage of thousands of facebook applications. How do they collect such data?
From what I understand, FB provides app developers with stats for their apps (same with fan page admins). But how do I get these data programatically, is there any API for these?
Facebook does provide all of this through the graph api, which is at graph.facebook.com. To get all the extended data, you will need an access token.
Details, at least for applications (an can probably be expanded to pages, since the graph api works for all "objects" on FB) is found at http://developers.facebook.com/docs/api#analytics
I've successfully posted to a fan page as the actual page via the Graph API.
The problem is that the post says it was posted at "time via application name". Is there any way to hide this, so my post looks exactly as if I typed it directly into Facebook?
I'm building a messaging center that can easily deliver messages on many different channels, Facebook being one of them. Clients probably won't appreciate their Facebook posts linking to my application, nor do I want to set up a new Facebook application for each client.
There is no way to disable this. It is an internal Facebook system and is very deliberate on their part to show users where content comes from and make it easier to report malicious and spammy apps.