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5 USPS Web Tools for a Better Online Shipping Experience

Give your online customers useful shipping information and features. These five web tools can help your e-commerce website deliver a more valuable experience.

Illustration of a person using a mobile phone to make a purchase.

Integrate these five web APIs into your e-commerce website to deliver useful shipping information and tools to potential customers and turn browsing into sales.

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Business Contact Information

On average, how many packages or envelopes do you ship daily?

How much of your current shipping business are you doing with the USPS?

How often does your company send advertising mail?

How much do you spend annually on marketing/advertising?

Privacy Act Statement: Your information will be used to understand the needs of customers and improve USPS sales and marketing efforts. Collection is authorized by 39 U.S.C. 401, 403, and 404. Supplying your information is voluntary, but if not provided, we may not be able to fulfill your request. We do not disclose your information to third parties without your consent, except to act on your behalf or request, or as legally required. This includes the following limited circumstances: to a congressional office on your behalf; to agents or contractors when necessary to fulfill a business function; to a U.S. Postal Service auditor; for law enforcement purposes, to labor organizations as required by applicable law; incident to proceedings involving the Postal Service, to government agencies in connection with decisions as necessary, to agencies and entities for financial matters, and for customer services purposes. For more information regarding our privacy policies visit
  1. [1]“37 Cart Abandonment Rate Statistics,” Baymard Institute,, 2017.
  2. [2]Jarrett Streebin, “The Cost of Bad Addresses,” EasyPost, Jul. 15, 2015.
  3. [3]“Number of digital shoppers in the United States from 2016 to 2021 (in millions),” Statista, 2018. Please note: this statistic was reached by multiplying a 4.7% error rate by the number of digital shoppers in the U.S. in 2018 (220.6 million).
  4. [4]Please note: The Track a Package API provides estimated delivery information and tracking for packages shipped via Priority Mail Express®, Global Express Guaranteed® or Priority Mail Express International® services. It provides only tracking information for packages shipped with USPS Tracking®, Delivery Confirmation, Certified Mail® or Registered Mail™ services.
  5. [5]"The State of Online Shopper Delivery Expectations and Actions,” OSM Worldwide, 2016.
  6. [6]Andria Chang, “A Tool That Could Help Level the Playing Field Against Amazon,” eMarketer, August 8, 2017.
  7. [7]Rishon Roberts, “2017 Holiday Shopping Insights Infographic,” Optoro, Dec. 07, 2017.
  8. [8]“Narvar Report: Making Returns a Competitive Advantage,” Narvar and Sucharita Mulpuru, June 2017.
  9. [9]Please note: Scheduled delivery date and time depend on origin, destination and Post Office™ acceptance time. Some restrictions apply. For additional information, visit the Postage Calculator.

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