After long days (or even weeks) of fighting with this issue… today I can be proud of myself. At last… I did it and it works! I can publish new posts on Facebook Page wall as a Page, not as a user (admin of that page).

I found lots of discussions about that, however none of them were enough for me. Some of the discussions:

• http://bugs.developers.facebook.com/show_bug.cgi?id=8184
• http://bugs.developers.facebook.com/show_bug.cgi?id=8691

And now… my solution:

Log in to Facebook, create new app, create fan page.

Now you are ready.

Add app to your fan page.

Go to http://www.facebook.com/apps/application.php?id=ID_OF_YOUR_APP.

Find link ‘Add to my Page’ on the left, click on it. Find your page on the list and click on ‘Add to page’ next to this page.

Set application type

Go to http://www.facebook.com/developers/editapp.php?app_id=ID_OF_YOUR_APP.

Choose ‘Web’ next to ‘Application type’ and click on ‘Save Changes’ button.

Add permissions to your app

Prepare special link:

http://www.facebook.com/connect/prompt_permissions.php?api_key=YOUR_API_KEY&v=1.0&next=http://www.facebook.com/connect/login_success.html?xxRESULTTOKENxx&display=page&ext_perm=publish_stream,offline_access&enable_profile_selector=1&profile_selector_ids=ID_OF_YOUR_PAGE

replace YOUR_API_KEY for an API KEY of your application and ID_OF_YOUR_PAGE for an id of your page

Run this URL in your web browser. Click on ‘Allow’.

You should see a message: ‘Success’.

Check everything

Go to http://developers.facebook.com/tools.php?app_id=335851346097 and check your permissions.

Choose your application, change ‘Response Format’ to JSON, choose method ‘users.hasAppPermission’, fill publish_stream in ext_perm and id of your page in uid.

You should see result: 1.

That means that everything is ok.

Write a code

Right now I will show how to create script in python (with PyFacebook), but the code is really similar to that from other programming languages.

def add_to_fb();
	import facebook
	fb = facebook.Facebook('YOUR_API_KEY', 'YOUR_SECRET_KEY')
	fb.auth.createToken()
	fb.login(popup=False)

	#print 'offline access...'
	#b.request_extended_permission('offline_access')
	#print 'publish stream...'
	#fb.request_extended_permission('publish_stream')

	print 'get session...'
	fb.auth.getSession()

	print 'add...'

	try:
		id_of_message = fb.stream.publish(message='my test message', uid=ID_OF_YOUR_PAGE)
	except Exception, e:
		error_code = None
		try:
			error_code = e.code
		except AttributeError:
			pass

		if error_code:
			print  "Facebook returned an error - sorry! %s %s" % (str(e.code), repr(e))
		else:
			print  "Facebook returned an error - sorry (no error code)! %s" % (repr(e))
	else:
		print id_of_message

And that’s all. Try to use it.

Sometimes it’s necessary to use request_extended_permission() (if we want to add privileges to our user), so you can uncomment these two lines.

Lots of hours… but at last – success.

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