Thank you for using USPS Web Tools.

September 7, 2014 USPS will be implementing changes and additional features to the Web Tools APIs. Detailed release notes are available on the USPS Web Tools home page at www.usps.com/webtools.

The CAT/staging environment is now available to developers for testing using your Web Tools user ID and the following URLs:

Secure APIs: https://stg-secure.shippingapis.com/ShippingApi.dll
Non-secure APIs: http://stg-production.shippingapis.com/ShippingApi.dll

To ensure we have the best contact information for you, please take a few moments to complete our four-question contact form by clicking the following link:
Web Tools Customer Contact Form

Please email us at [email protected] if you have any issues or questions. You can also reach us on twitter @USPSWebTools for updates and announcements.

Thank you,
USPS Web Tools Program Office
Will the current USPS module require updating for this?

Thanks,
Melanie