hyperlink - What's the best service to use for filtering out spam/abuse/malware links for a link shortening webapp? -

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i have 2 services - lincr , linkbunch. lincr plain jane url shortening service, while linkbunch lets shorten multiple links 1 link. i've had spam posted services, had shut down lincr. now, linkbunch seems facing same problem, , it's been disabled web host reason.

i can't keep shutting down sites because of bad links being posted, need malware-filtering api can use filter out links , when posted.

there services let me download entire bunch of bad links check against, instead, i'd prefer doing live api call on per-link basis. can use that?

finally, what's best malware filtering service out there?

lincr down. on linkbunch, captcha?

on either site, limit number of posts ip? use delay in response? using hidden fields reduce spam (http://www.reviewmylife.co.uk/blog/2008/05/30/hidden-field-spam-trap-for-phpformmail/)?

i know i'm dodging question bit, should @ least take basic anti-spam measures before resorting api calls. apis still fail newly-hacked / newly-spammed sites.


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