Web Tools Documentation & Updates
Use our technical documents to get step-by-step information on how to integrate USPS Web Tools® into a website or shipping application. For technical questions, contact the Internet Customer Care Center.
开发人员指南及说明
Step-by-Step Instructions for All USPS Web Tools (HTM | PDF)
Announcements & Upcoming Release Notes
- Web Tools 2025 Release Notes - PDF
- Web Tools Label API Migration Guide - PDF
- Web Tools Label API Mapping Guide - XLSX
- 网络工具声明：Account Duration - PDF
- 网络工具声明：TLS 1.2 Protocol Compliance - PDF
- ExpressMail 到 ExpressMailCommitment API 过渡指南 - HTM | PDF
- Label API Restrictions Notice - PDF
- Label API Restrictions FAQs - PDF
- Customer Options – Postage Labels - PDF
- 全新：Simplified Onboarding Process - PDF
- Web Tools FAQs - PDF
API User Guides
- Address Validation/Standardization
- City & State Lookup
- ZIP Code ™ 查找
Tracking & Delivery Information APIs - PDF | HTM
- 追踪
- Tracking by Email
- 递送证明
- 追踪递送证明
- 电子退回收据
Price Calculator APIs - PDF | HTM
- 国内价格计算器
- 国际价格计算器
Shipping Label APIs
- eVS Domestic Labels - PDF | HTM
- eVS International Labels - PDF | HTM
- Scan Form - PDF | HTM
- USPS Returns Labels - PDF | HTM
Package Pickup APIs - PDF | HTM
- Check pickup availability
- 安排取件
- Cancel a pickup request
- Update a pickup request
服务标准及承诺 API
- Domestic Mail Service Standards - PDF | HTM
- Service Delivery Calculator - PDF | HTM
- Sunday Holiday Availability - PDF | HTM
Facility APIs
展开全部或关闭所有内容主题，以立即跟随标题
开发人员：网络工具 FAQs (常见问题回答)
打开或关闭下面的内容 USPS API是免费的吗？
注册了 USPS WEB TOOLS® 帐户并同意使用条款和条件的客户，可以免费访问 USPS API。
打开或关闭下面的内容 如何获得对 USPS API 的访问权并收到我的用户 ID？
Once registered, you'll receive an email containing your Web Tools credentials and instructions on how to begin using APIs. Please reference the instructions prior to requesting access and beginning integration.
打开或关闭下面的内容 我可以打印的标签包含“ SAMPLE-DO NOT MAIL”水印。如何打印实际的标签？
包含“ Certify”的 API 是我们的测试 API，它将打印带有示例水印的标签。为了生成实际标签，必须从所有网络工具 XML 请求中删除“Certify”。
打开或关闭下面的内容 USPS 是否有可用的 EDDM API？
我们目前仅通过我们的在线应用程序，提供“EVERY DOOR DIRECT MAIL®”®(EDDM®) 服务。
打开或关闭下面的内容 网络工具 API 近期或即将发生更改吗？
为了提供最好的 API 产品，我们会定期更新我们的系统，这可能需要当前的客户更新他们的软件。要确定这些更改/更新是否适用于您，请参阅我们最新的发布说明。本文件包含所有新的更改和解决您受到影响的步骤。如有任何与集成有关的问题，请记住首先与您的软件提供商联系。
历史发行说明
- Web Tools 2025 Release Notes (v1.1 updated 1/10/2025) - PDF
- Web Tools 2024 Release Notes (v1.23 updated 11/08/2024) - PDF
- Web Tools 2024 Release Notes (v1.21 updated 10/16/2024) - PDF
- Web Tools 2024 Release Notes (v1.19 updated 9/20/2024) - PDF
- Web Tools 2024 Release Notes (v1.17 updated 8/12/2024) - PDF
- Web Tools 2024 Release Notes (v1.15 updated 7/9/2024) - PDF
- Web Tools 2024 Release Notes (v1.13 updated 6/18/2024) - PDF
- Web Tools 2024 Release Notes (v1.11 updated 5/20/2024) - PDF
- Web Tools 2024 Release Notes (v1.9 updated 5/15/2024) - PDF
- Web Tools 2024 Release Notes (v1.7 updated 4/11/2024) - PDF
- Web Tools 2024 Release Notes (v1.5 updated 3/19/2024) - PDF
- Web Tools 2024 Release Notes (v1.3 updated 2/8/2024) - PDF
- Web Tools 2024 Release Notes (v1.1 updated 12/8/2023) - PDF
- Web Tools 2023 Release Notes (v1.27 updated 11/2/2023) - PDF
- Web Tools 2023 Release Notes (v1.25 updated 10/16/2023) - PDF
- Web Tools 2023 Release Notes (v1.23 updated 9/12/2023) - PDF
- Web Tools 2023 Release Notes (v1.21 updated 8/17/2023) - PDF
- Web Tools 2023 Release Notes (v1.17 updated 6/28/2023) - PDF
- Web Tools 2023 Release Notes (v1.11 updated 5/22/2023) - PDF
- Web Tools 2023 Release Notes (v1.9 updated 4/21/2023) - PDF
- Web Tools 2023 Release Notes (v1.7 updated 3/21/2023) - PDF
- Web Tools 2023 Release Notes (v1.5 updated 2/16/2023) - PDF
- Web Tools 2023 Release Notes (v1.3 updated 1/19/2023) - PDF
- Web Tools 2023 Release Notes (v1.1 updated 1/09/2023) - PDF
- Web Tools 2022 Release Notes (v1.33 updated 11/03/2022) - PDF
- Web Tools 2022 Release Notes (v1.31 updated 10/27/2022) - PDF
- Web Tools 2022 Release Notes (v1.29 updated 10/18/2022) - PDF
- Web Tools 2022 Release Notes (v1.27 updated 9/28/2022) - PDF
- Web Tools 2022 Release Notes (v1.25 updated 9/19/2022) - PDF
- Web Tools 2022 Release Notes (v1.23 updated 9/7/2022) - PDF
- Web Tools 2022 Release Notes (v1.21 updated 8/9/2022) - PDF
- Web Tools 2022 Release Notes (v1.19 updated 8/2/2022) - PDF
- Web Tools 2022 Release Notes (v1.17 updated 7/11/2022) - PDF
- Web Tools 2022 Release Notes (v1.15 updated 6/24/2022) - PDF
- Web Tools 2022 Release Notes (v1.13 updated 6/17/2022) - PDF
- Web Tools 2022 Release Notes (v1.11 updated 6/8/2022) - PDF
- Web Tools 2022 Release Notes (v1.9 updated 5/4/2022) - PDF
- Web Tools 2022 Release Notes (v1.7 updated 4/13/2022) - PDF
- Web Tools 2022 Release Notes (v1.5 updated 3/10/2022) - PDF
- Web Tools 2022 Release Notes (v1.3 updated 2/2/2022) - PDF
- Web Tools 2022 Release Notes (v1.1 updated 12/22/2021) - PDF
- Web Tools 2021 Release Notes (v1.25 updated 11/1/2021) - PDF
- Web Tools 2021 Release Notes (v1.23 updated 10/19/2021) - PDF
- Web Tools 2021 Release Notes (v1.21 updated 9/20/2021) - PDF
- Web Tools 2021 Release Notes (v1.19 updated 9/15/2021) - PDF
- Web Tools 2021 Release Notes (v1.17 updated 8/10/2021) - PDF
- Web Tools 2021 Release Notes (v1.15 updated 7/30/2021) - PDF
- Web Tools 2021 Release Notes (v1.13 updated 6/24/2021) - PDF
- Web Tools 2021 Release Notes (v1.11 updated 6/14/2021) - PDF
- Web Tools 2021 Release Notes (v1.9 updated 5/12/2021) - PDF
- Web Tools 2021 Release Notes (v1.7 updated 4/12/2021) - PDF
- Web Tools 2021 Release Notes (v1.5 updated 3/8/2021) - PDF
- Web Tools 2021 Release Notes (v1.3 updated 2/3/2021) - PDF
- Web Tools 2021 Release Notes (v1.1 updated 1/11/2021) - PDF
- Web Tools 2020 Release Notes (v1.17 updated 10/13/2020) - PDF
- Web Tools 2020 Release Notes (v1.13 updated 9/24/2020) - PDF
- Web Tools 2020 Release Notes (v1.11 updated 9/14/2020) - PDF
- Web Tools 2020 Release Notes (v1.9 updated 8/10/2020) - PDF
- Web Tools 2020 Release Notes (v1.7 updated 6/15/2020) - PDF
- Web Tools 2020 Release Notes (v1.5 updated 5/11/2020) - PDF
- Web Tools 2020 Release Notes (v1.3 updated 2/13/2020) - PDF
- Web Tools 2020 Release Notes (v1.1 updated 1/9/2020) - PDF
- Web Tools 2019 Release Notes (v1.11 updated 10/21/2019 - PDF
- Web Tools 2019 Release Notes (v1.9 updated 9/24/2019) - PDF
- Web Tools 2019 Release Notes (v1.7 updated 7/27/2019) - PDF
- Web Tools 2019 Release Notes (v1.5 updated 4/24/2019) - PDF
- Web Tools 2019 Release Notes (v1.3 updated 2/21/2019) - PDF
- Web Tools 2019 Release Notes (v1.1 updated 12/31/2018) - PDF
- Web Tools 2018 Release Notes (v1.19 updated 9/19/2018) - PDF
- Web Tools 2018 Release Notes (v1.17 updated 8/7/2018) - PDF
- Web Tools 2018 Release Notes (v1.15 updated 7/23/2018) - PDF
- Web Tools 2018 Release Notes (v1.13 updated 6/22/2018) - PDF
- Web Tools 2018 Release Notes (v1.9 updated 5/9/2018) - PDF
- Web Tools 2018 Release Notes (v1.7 updated 3/22/2018) - PDF
- February and March 2018 Release Notes (v1.5 updated 2/12/2018) - PDF
- January and February 2018 Release Notes (v1.3 updated 1/4/2018) - PDF
- January 2018 Release Notes (v1.1 updated 12/7/2017) - PDF
- USPS Web Tools Secure/HTTPS API Outage - 2017 年 09 月 17 日 - PDF
- June-November 2017 Release Notes (updated 9/12/2017) - PDF
- March 2017 Release Notes (updated 3/13/2017) - PDF
- January-March 2017 Release Notes (updated 2/14/2017) - PDF
- February 2017 API Retirement Transition Guide (v. 1.3, updated 12/8/2016) - PDF