Developers: Here’s How You Access #Hashtags in Your Apps

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I showed earlier tonight a way you can access on Facebook.com the stream for any particular hashtag without having to have a link to get to it. I mentioned Facebook would likely release an API for this. Being the idiot that I am I neglected the fact that Facebook already has a search API, and you can start using it right now.

Anyone, developers or not, can do this right now. Go to https://graph.facebook.com/search – add to it the URI variable q, specify a query (in this case your hashtag keyword prefaced by %23, the URI-encoded version of the # sign), and they add “type=post” to the URI string. In laymans terms, here is how it looks:

https://graph.facebook.com/search?q=%23hashtag&type=post

Just take the above query, put it in your browser (or send it in your app via a GET request), and it will return a JSON-encoded string you can parse and use in your apps. For the non-developers out there, that means there will be a bunch of {‘s and }’s and [‘s and ]’s with the list of all the public posts for that particular hashtag. It’s really simple!

The above example uses the hashtag #hashtag – to change it to something else, just replace “hashtag” with your keyword of choice. This one will do #fail:

https://graph.facebook.com/search?q=%23fail&type=post

Try it yourself and let me know if you see any quirks. So start coding my hacker friends! (and start learning if you’re not!)

8 responses to “Developers: Here’s How You Access #Hashtags in Your Apps”

  1. Anonymous Avatar
    Anonymous

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  2. Anonymous Avatar
    Anonymous

    ur stuff doesn't work or is rly not well explained dude 🙂

  3. Hany Mohamed Avatar

    it gives me the below error

    {
    “error”: {
    “message”: “(#11) Post search has been deprecated”,
    “type”: “OAuthException”,
    “code”: 11
    }
    }

  4. djin kareep Avatar

    m getting an error as below , is there any other way ?

    {
    “error”: {
    “message”: “(#200) Permissions error”,
    “type”: “OAuthException”,
    “code”: 200
    }
    }{
    “error”: {
    “message”: “(#200) Permissions error”,
    “type”: “OAuthException”,
    “code”: 200
    }
    }

  5. Mamin Arizmendi Avatar

    it returns no value, do you know if there is any new query to accomplish this?

  6. iskandar salama Avatar

    didn't work !!
    i think Facebook has developed the version of API to v2.2 and post search isn't supported now.
    is there another way to search for hash !?

  7. santhosh kumar Avatar

    {
    “error”: {
    “message”: “(#200) Permissions error”,
    “type”: “OAuthException”,
    “code”: 200
    }
    }

    this is the result for the above given by u

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