In the October/November 2002 issue, Dr. Barcode provided the wrong URL in his answer. The correct URL is www.uspswebtools.com. The corrected text is republished below:

The Postal Service supports e-commerce Internet applications through application performing interfaces (APIs) for rate calculators, Express Mail tracking, Delivery Confirmation service, merchandise return service, and more.

For information and to request a Developers Tool Kit go to www.uspswebtools.com.