USPS changes effective January 17th, 2016

Applies to: AbleCommerce Gold

Release Date:  1/11/2016

Effective Date:  1/17/2016 12:01 am

Severity: Minor



USPS Web Tools will be updating their Rate V4 (domestic) and RateV2 (international) API's on January 17th, 2016. We have provided a patch so you can avoid any disruption in service.


Starting Sunday January 17, 2016, at 12:01AM:

  • Rebranding of Standard Post as Retail Ground

  • Elimination of Priority Mail Express Flat Rate Box

Reference for more information.

Patch Includes:  

Updated ~\App_Data\uspsmethods.csv

OPTIONAL - If you already have a current list of USPS shipping methods, you may optionally update your existing uspsmethods.csv file by following the instructions in the last section of this document.  There is one line changed.


Installation instructions for AbleCommerce Gold

Before installing this patch, make sure that you have already applied any previous USPS patches for the version you are running.

1. Download:  MD5: 60bb8891ddf24b1bb83d324acd371670

2  Using the MD5 checksum number provided, you can verify the integrity of the download before extraction (see below).  (This step is optional to ensure the download is valid)


a.  Go to or any other utility that can provide checksum validation.

b.  Download and Run the utility.

c.  Select the downloaded file.

d.  In the field provided, past the original MD5 value provided by AbleCommerce help site, and click Verify.

e.  If the validation fails, do NOT install the patch.  Instead, contact for help.

3. Extract the file to the ~\App_Data\ folder of your installation.

4. You may need to restart IIS or recycle the application pool.

5. Login to your Merchant Menu.

6. Go to the Configure > Shipping > Integrated Carriers page and edit the USPS configuration.

7. In the Shipping Method section, confirm that "USPS Standard Post" has been changed to "USPS Retail Ground".

NOTE:  USPS has discontinued the service "Priority Mail Express Flat Rate Box".  If you have this service listed as an active shipping method, please remove it.  The current uspsmethods.csv file should not contain this service.




NOTE:  Do not make the change until January 17th, 2016

To fix the issue, find the "uspsmethods.csv" file in the ~\App_Data\ folder, and change the following -


Standard Post<sup>®</sup>| USPS Standard Post


Retail Ground<sup>®</sup>| USPS Retail Ground



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