Real-time CASS Certified™ Address Validation. Instantly verify, correct and append US addresses with near-perfect match rate and accuracy with updates mirroring the USPS.

Latest version published over 2 years ago
1.0.3Nov 11, 2021
Feb 8, 2023
about 1 year ago

Last updated on 19 January-2024, at 02:27 (UTC).

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Our USPS CASS Certified™ address validation service matches and corrects mailing addresses using the latest USPS and proprietary data sets available, ensuring your mailing records are always accurate and up-to-date. The service helps improve internal mail processes and ensures cost-saving delivery rates by verifying and standardizing addresses, while flagging for vacancy, returned mail, and general delivery addresses. With the API’s sub-second response times, the service can be used in real-time to help customers and leads correct errors at the time of entry, increasing customer satisfaction and reducing customer service inquiries. Our industry-leading, GetBestMatches operation combines Delivery Point Validation (DPV) to verify an address is deliverable, Residential Delivery Indicator (RDI) to identify residential or business, and SuiteLink (SLK) to add secondary suite information for businesses, into one robust API call to our USPS CASS Certified database engine.


> Is DOTSAddressValidation3US Deprecated?

It appears there are some versions of DOTSAddressValidation3US that are deprecated.

> What is the deprecation date for the latest version of DOTSAddressValidation3US?

The latest version of DOTSAddressValidation3US was released on Nov 11, 2021, and it is now deprecated.

> What does deprecated mean?

Deprecated means that the package was either marked as deprecated on the package registry, or that the source code repository for the package was archived.