I have submitted a support request, but also would like to post here so that everyone else is aware.
The USPS API's that are currently in Viart 4.0.5 are the Rate V3 API's, which the USPS says will be retired in May of 2011. That means we have roughly 5 months to get the new Rate V4 up and running.
I will let you know when Viart Support responds to my support request.
The email from the USPS is below. The important part is the statement:
"Rate, RateV2, RateV3 and IntlRate will be retired in May 2011, requiring all integrators to migrate to the latest versions"
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Secure APIs:
https://stg-secure.shippingapis.com/ShippingApi.dll
Non-secure APIs:
http://stg-production.shippingapis.com/ShippingApi.dll
Please note that the changes below are intended to be backwards compatible, however, may not be depending on how individual programs are integrated with the APIs. Technical guides, inclusive of the changes below, can be obtained from the USPS Internet Customer Care Center (1-800-344-7779 or icustomercare@usps.com).
Web Tools APIs will be affected in the following manner:
§ All Web Tools APIs with postage prices incorporated will be updated to reflect the price changes
§ All Rate Calculator API integrators are encouraged to migrate to the latest API versions (RateV4, IntlRateV2):
o RateV4 and IntlRateV2 will be the only Rate Calculator API versions to offer the full range of new products and functionality
o Rate, RateV2, RateV3 and IntlRate will be retired in May 2011, requiring all integrators to migrate to the latest versions
§ Domestic Rate Calculator API Changes
o New <Container> request enumerations will be added to RateV4 to support the USPS product offerings and prices listed in the Federal Register Notice
o New response nodes in Rate, RateV2, RateV3 and RateV4 to support the USPS product offerings and prices listed in the Federal Register Notice
o New optional request values in RateV4 to support USPS extra services offerings and prices
o New optional response nodes in RateV4 to support USPS extra services offerings and prices
§ International Rate Calculator API
o New response nodes in IntlRate and IntlRateV2 to support the USPS product offerings and prices listed in the Federal Register Notice
o New optional request values in IntlRateV2 to support USPS extra services offerings and prices
o New optional response nodes in IntlRateV2 to support USPS extra services offerings and prices
o New <AdditionalRestrictions> response value in IntlRate and IntlRateV2
§ Express Mail Label and Hold For Pickup Express API
o New <Revision> and <Container> request data tags to support the Legal Flat Rate Box
o New <Size>, <Length>, <Width>, <Height> and <Girth> request data tags
§ Delivery Confirmation and Signature Confirmation
o New <Revision> and <Container> request data tags to support the USPS product offering and prices listed in the Federal Register Notice
§ International Label APIs
o New <Container> request enumerations will be added to support the USPS product offerings and prices listed in the Federal Register Notice
o New <Revision>, <Size>, <Length>, <Width>, <Height> and <Girth> request data tags
o New <AdditionalRestrictions> response value
§ Customs Forms CN22 and CP72
o New <AdditionalRestrictions> response value
Please contact the USPS Internet Customer Care Center with any questions or concerns at 1-800-344-7779 or icustomercare@usps.com.
- Web Tools Program Office
As our customer, your privacy is important to us. Please see our privacy policy at www.usps.com
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