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Shipping Info

Thank you for registering for the U. S. Postal Service's Web Tools Application Programming Interfaces (APIs). You have successfully registered for the Web Tools User ID (Username) found below. If you are using third party software, refer to your software provider for further instructions to begin using Web Tools with your application. Keep this email for your records and proceed to the next steps to complete integration.

  • For Company: Flows Tasty Treats, LLC
  • Your Username is 800FLOWS1573
  • Your Password is 816JB11JM432

Your User ID is currently authorized to access the following groups of APIs in production:

  • Price Calculators
  • Package Tracking
  • Service Standards and Commitments
  • Address Information (see below for usage restrictions)
  • Package Pickup

For additional API access not listed above, see instructions in step 2 below. Next Steps:

I. Begin using USPS Web Tools Shippers using a third party shipping software or shopping cart provider: Refer to your software provider for instructions to begin using USPS Web Tools. If your software prompts you for URLs to access the USPS APIs, please use the production URLs below.

Developers integrating Web Tools into a custom application:

The following are the production URLs you will use to access the Web Tools Servers: - http://production.shippingapis.com/ShippingAPI.dll - https://secure.shippingapis.com/ShippingAPI.dll

Step-by-Step Instructions for All USPS Web Tools (important information when getting started): - https://www.usps.com/business/web-tools-apis/general-api-developer-guide.pdf

API User’s Guides (API specific technical/integration information): - https://www.usps.com/business/web-tools-apis/technical-documentation.htm

USPS Web Tools website: (contains all these resources and more): - https://www.usps.com/business/web-tools-apis/welcome.htm