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Technical Overview & Documentation

A number of state agencies have been using the WAMAS API's for some time and many of the business application include:
  • Verification of address and associated geography;
  • Sales tax determination, collection and distribution;
  • Permitting and location verification;
  • Public Safety and Emergency Response;

Washington Master Addressing Services (WAMAS)


Locating people and places in Washington

A history of inconsistent results in locating addresses in Washington has resulted in bad press and even legal action over the last decade.

These service API's can be consumed from within a web browser, a mainframe, desktop or server application.

The suite of services include tools that: