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I've been searching for a domain API that would let me do bulk lookups (and ideally also whois). Dotster supposedly has one but offers no support for it and I haven't been able to get it to work. I did take a look at enom's reseller API - thought it was kinda expensive though, and in running some tests I found it inaccurate. I'm also considering opensrs, but in reviewing the docco it doesn't seem they support bulk searches.
Does anyone know of any other API's? It needs to be inexpensive or free - my site does thousands of lookups per day. Maybe on the order of 50-100K lookups.
You can find some PHP sample code at [dnmedia.com...] which shows how to perform the availability check.
There's a comment on the article you linked saying how most registrars have an API for bulk domain checking, however I can't find ANY registrar that offers this. I checked enom, which does have an API (but no public docco on it); after getting access to a test account I found that they also don't support checking more than one domain at a time. Dotster supposedly has an API but I haven't been able to get it to work, and they offer no support for it at all.
Isn't there *any* registrar that offers a bulk lookup API?
How the heck do the registrars themselves manage bulk lookups? I imagine they can query their own database easily enough, but what about for domains owned by different registrars?
As a general rule we don't allow offsite links, especially "to answers", since the offsite pages can change, domains can be dropped, servers can be down, etc. We also have this policy against offsite links to deter promotional posts/threads.
This is a "one off", allowed since you're a bit new to the place and it's an interesting topic. ;)
[edited by: Webwork at 12:39 pm (utc) on May 6, 2009]