USPS SCAN API User Guide Version 3.2
The USPS SCAN API User Guide provides essential information on using the SCAN API for managing shipping labels and forms. It covers everything from getting started to detailed API requests and responses. This guide is crucial for developers integrating USPS shipping functionalities into their applications.
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How do I fill this out?
To fill out the USPS SCAN API form, ensure you have your shipping labels ready. Follow the structure outlined in the guide for the XML requests. Pay special attention to error messages that will inform you if incorrect values are used.

How to fill out the USPS SCAN API User Guide Version 3.2?
1
Read the introduction and review any prerequisites.
2
Gather all required shipping labels and forms.
3
Construct your API requests following the specified format.
4
Ensure all values used are valid as per the guidelines.
5
Submit your requests through the designated API endpoint.
Who needs the USPS SCAN API User Guide Version 3.2?
1
Developers integrating USPS shipping solutions in their applications.
2
E-commerce businesses needing to manage shipping labels efficiently.
3
Logistics companies using API to streamline their shipment processing.
4
Retail businesses requiring detailed shipping documentation.
5
Freelancers handling shipping for clients and need accurate labeling.
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What are the instructions for submitting this form?
To submit this form, send your completed API request via the specified electronic submission method. Ensure to include all required identifiers and labels. For additional support, contact USPS customer service through their official email or phone number.
What are the important dates for this form in 2024 and 2025?
The SCAN API User Guide was updated on May 30, 2024. Stay informed about new features and requirements to ensure your shipping processes are optimized throughout 2024 and beyond.

What is the purpose of this form?
The purpose of the USPS SCAN API form is to streamline the shipping label process for users and developers. This form allows integration with electronic shipping systems, enabling efficient management of multiple domestic and international shipping labels. By utilizing this API, users can enhance their shipping operations and improve accuracy in label processing.

Tell me about this form and its components and fields line-by-line.

- 1. EFN (Electronic File Number): A unique identifier for consolidating multiple shipping labels.
- 2. PS Form 5630: A physical SCAN form used for tracking and managing parcels.
- 3. Request Parameter: Parameters necessary for making valid API requests.
- 4. Response Tag: Tags that define the structure of the response from the API.
What happens if I fail to submit this form?
If you fail to submit this form, your shipping requests will not be processed. This can lead to delays in shipment and potential loss of packages. It's critical to ensure that all required fields are completed accurately before submission.
- Delays in Shipment: Unsubmitted forms can result in potential shipping delays, causing inconvenience.
- Lost Packages: Inaccurate or missing information may lead to lost shipping labels and packages.
How do I know when to use this form?

- 1. Domestic Shipments: Utilize this form when managing labels for shipments within the United States.
- 2. International Shipments: Necessary for consolidating shipments going outside the U.S.
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