[Baypiggies] CASS certified Postal Mail Verification free RESTful API?

Brent Tubbs brent.tubbs at gmail.com
Sat Aug 20 22:46:40 CEST 2011

At work we pay a subscription for this.  They send a DVD of updated
information every quarter or so and a toolkit for querying names and
addresses against it, but we're not allowed to just look at the raw

Pitney Bowes offers a service that can do this, but not for free.
Databases of cleaned/standardized names and addresses are pretty

On Thu, Aug 18, 2011 at 4:04 PM, Glen Jarvis <glen at glenjarvis.com> wrote:
> I have the need to consume an API service. I'd like it to be an Open
> Source/Creative Commons service instead of paying for it.
> There are several commercial equivalent RESTful APIs that I could consume.
> Some examples follow:
> * http://www.cdyne.com/terms/address-standardization.aspx
> The reason I want to consume this service is to verify that if I have a
> business from one source and I want to intelligently/programmatically match
> that same business from another source, one of the steps in that
> validation/verification is to compare addresses.
> Half way through looking at this, I think "There's no API to do this. I
> could make a Python service to do this as an open source project." Any time
> I get in that mode, I usually find someone has attempted it or has a very
> successful version of it already running.
> Q1) Does anyone know of a package/service that already exists like this --
> as a free API?
> Q2) If the answer to Q1 is no, then I want to create an open source
> project/free service that is consumable by anyone. I am looking for the
> original data from the USPS. Does anyone know where I can find it.
> I've found other resources, such as these:
> This is the US Government certification for evaluation of such software:
> http://en.wikipedia.org/wiki/Coding_Accuracy_Support_System
> A list of software suppliers that already do this:
> http://ribbs.usps.gov/files/vendors/cassn01d.TXT
> Tech Guidelines:
> http://ribbs.usps.gov/cassmass/documents/tech_guides/CASS%20Cert%20Req%20MAILERS%20Guide.pdf
> Example Error codes
> http://www.ccamedical.com/ZirMed%20Address%20Cass%20Error%20Codes.htm
> I'm still trolling through data to find something. I'd hate to do all of
> this work if someone else already provides this service. I am also trying to
> find the raw address data.
> Thanks in advance for any help that you may provide....
> Cheers,
> Glen
> --
> Things which matter most must never be at the mercy of things which matter
> least.
> -- Goethe
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