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CDYNE PAV (Postal Address Verification) is a CASS Certified™ API that allows you to standardize, correct, and validate U.S. and Canadian addresses. Developers can implement PAV into websites and applications to instantly return corrected and deliverable addresses at point of entry.

VerifyAddress
Returns only one match. Recommended for validation where interaction is not preferred (passive address verification). The best possible address will be given. Minimum input field requirements include primary address line/city/state, or primary address line/zip code combinations.

VerifyAddressAdvanced
Most commonly used where user interaction is preferred. This could result in multiple returns for U.S. addresses (Canadian addresses do not include multiple returns with this method). Includes eight optional data returns including Proper Case, Census, Geo Location, Legislative, Mailing Industry, and Residential Delivery Indicator.

GetCityNamesForZipCode
Returns all possible City names for a ZIP Code as an array.

GetUrbanizationListForZipCode
Returns all possible Urbanization names for a ZIP Code as an array.

GetZipCodesForCityAndState
Returns all possible ZIP Codes for a City/State combination.

GetCongressionalDistrictByZip
Returns a Congressional District by Zip Code.

GetIntelligentMailBarcode
Returns Intelligent Mail Barcode string using the key obtained from VerifyAddressAdvanced call.

GetZipCodesWithinDistance
Returns all zip codes within a radius around a Lat/Long Geolocation.

GetZipCodesForFips
Returns all zip codes within a FIPS.

PAV Documentation Links
Specification Sheet

PDF document containing all PAV programming methods with request and response descriptions.

WSDL

An XML format document that defines PAV endpoints.

HTTP Service Operations

Service operations at endpoint http://pav3.cdyne.com/PavService.svc

HTTPS Service Operations

Service operations at https://pav3.cdyne.com/PavService.svc/rest_s

 Address Lookup  Free, limited webware version of CDYNE PAV is provided for limited use. Use this service up to 20 free times per day. This service is limited by IP Address.

PAV Best Practices
Best Practices Address Entry Address verification at point of entry.

Postal Address Verification DPV Return Codes DPV return codes and footnotes are returned when using the VerifyAddressAdvanced method with MailingIndustryInfo set to "True".