[UPDATED] USPS Pro

Current Version: v2022-12-12 (release notes)

OpenCart Versions: 1.5.0.x - 4.0.1.x

To Purchase: Visit OpenCartX or opencart.com



Want more control over your USPS rates? USPS Pro allows you to retrieve rates for packages over 70 pounds, for multiple packages, for Flat Rate Boxes, and more. You can also make various adjustments to the weight, dimension, and cost calculations, enabling you to charge more accurate rates for your store.

• Request USPS rates for multiple packages if the cart weight is over the 70 lb USPS limit.
• Choose to package each item (including multiple quantities) individually, or by using a 3D packing algorithm.
• Optionally use a set box size for the 3D packing algorithm, rather than have the algorithm determine the appropriate box size itself.
• Adjust the item dimensions, item weight, and/or box weight before the USPS request is made, as well as the final rates after the USPS rates are returned. USPS insurance prices are included as rate adjustments by default.
• Flat Rate Boxes and Envelopes are properly shown only if the calculated box size is within the dimension limits.
• Restrict when the extension is available based on store, geo zone, and customer group.
• Use the included Testing Mode when encountering issues, to help determine why things are not working on the front-end as expected.

Updated to v220.1

Release Notes:
- Added: compatibility with OpenCart 2.2.0.x
- Added: ability to request Commercial (i.e. Online) Rates
- Fixed: "First-Class Postcard" option not being able to be unchecked
- Fixed: countries with spaces in their names do not work for rate requests
- Removed: Priority Mail Express Flat Rate Box because it is no longer valid
- Updated: error handling for international rates

Updated to v220.2

Release Notes:
- Fixed: girth calculation was based on the standard OpenCart code, which mistakenly includes the length
- Fixed: "First-Class Mail Letter" rates were not being returned because USPS changed the name to "First-Class Mail Stamped Letter"
- Updated: added a work-around for a bug in the OpenCart 2.2 order editor

Updated to v230.1

Release Notes:
- NOTE: This version is fully compatible with OpenCart 2.3.0.x by using the OpenCart 2.3 Extension Compatibility Fix, which is provided for free with the purchase of the extension

- Fixed: issues caused by the packing algorithm calculating extremely long and thin boxes
- Fixed: "Call to a member function getElementsByTagName" error when using third-party checkouts that request shipping rates with blank addresses
- Fixed: errors when a single item was over 70 lbs
- Updated: larger flat rate boxes will now not appear if a smaller flat rate box is available
- Updated: improvements in rate accuracy when all items fit within a single flat rate box
- Updated: flat values for item weight adjustments will no longer log the same value multiple times

Updated to v230.2

Release Notes:
- Fixed: a bug in the 3D packing algorithm was causing items too large for flat rate boxes to sometimes show them as eligible for those rates
- Fixed: changes to the USPS API causing the First-Class Package Service commercial rate not being calculated correctly
- Fixed: dimensional weight issues when a package dimension was over 12 inches

Updated to v300.1

Due to limitations in the opencart.com license system, a new extension was released on opencart.com for OpenCart 3.0 compatibility. However, free updates are still available for anyone that has purchased the extension in July 2016 or after --- just contact Clear Thinking here: http://www.getclearthinking.com/contact

Release Notes:
- Added: compatibility with OpenCart 3.0.0.x - 3.0.1.x
- Added: native compatibility with OpenCart 2.3.0.x (You can remove the compatibility fix, or keep using it if you want to)
- Added: support for Regional Rate Boxes A and B commercial rates
- Added: ability to set weight limits for individual rates

- Fixed: compatibility with Change Requires Shipping to Free Shipping
- Fixed: issue with individual boxing weights not being right when using certain PHP versions

- Removed: compatibility with OpenCart 1.5.x and 2.0.0.0 for new versions

Updated to v302.1

Release Notes:
- Confirmed: compatibility with OpenCart 3.0.2.x
- Fixed: USPS first class package issue due to USPS renaming the service
- Updated: the code to max sure super long boxes aren't calculating was slightly modified to accommodate international dimension restrictions better

Updated to v302.2

Release Notes:
- Fixed: packing algorithm was incorrectly disabling First Class envelopes
- Fixed: packing algorithm was sometimes disabling Flat Rate envelopes
- Fixed: multiple packages were not always being requested correctly
- Fixed: the packing algorithm sometimes made Width the longest value
- Fixed: "Array to string conversion" error for restricted geo zones

- Updated: rates will no longer be shown if errors are present
- Updated: flat rate envelopes will no longer by overridden by flat rate boxes if the item qualifies for an envelope
- Updated: the extension will now force Length to always be the longest dimension for items, to ensure that the boxing algorithm works correctly

Updated to v302.3

Release Notes:
- Added: "Priority Mail Padded Flat Rate Envelope" option
- Fixed: issues related to seeing if all items fit in a single flat rate box
- Updated: box weight adjustments can now be percentages
- Updated: the [weight] shortcode is now converted to the store's default weight class, instead of always being pounds

Updated to v303.1

Release Notes:
- NOTE: The 1.5.x version is now feature-comparable with the 2.x/3.x version. The extension uses a vQmod file to accomplish this, which has been tested but might have some issues in the initial version. If you're using OpenCart 1.5.x and have any trouble with it, please contact Clear Thinking.

- Added: full compatibility with OpenCart 1.5.x
- Added: ability to enter up to 3 set box sizes instead of just 1 box size
- Added: "Priority Mail Legal Flat Rate Envelope" option
- Added: "Priority Mail Express Legal Flat Rate Envelope" option

- Confirmed: compatibility with OpenCart 3.0.3.x

- Fixed: delivery estimates could still show up when at the end of the title
- Fixed: small flat rate boxes sometimes wouldn't appear due to the envelope issues fixed in the last few updates
- Fixed: "Undefined index: end" error in rare circumstances
- Fixed: calculation issue with final charge adjustments using "Per" values

- Updated: Testing Mode now has a button to download the log when over 1 MB
- Updated: Testing Mode log is now cleared automatically when over 50 MB

Updated to v303.2

Release Notes:
- Added: a more descriptive error message when the USPS User ID is incorrect

- Fixed: typo in the error displayed when missing an "inch" length class
- Fixed: issues with percentage increases to box weights
- Fixed: girth calculation for international requests was still wrong
- Fixed: "1 Boxes" text

- Updated: the curl URL is now https, as will be required by USPS
- Updated: added some more work-arounds for issues caused by items or boxes with very large dimensions, which cause a problem for the packing algorithm
- Updated: the XML for international quotes will no longer show all the prohibitions text in the Testing Mode log

Updated to v2022-7-13

Release Notes:
- NOTE: Starting with this release, version numbers will now be based on the date the new version is released.

- Added: compatibility with OpenCart 4.0.0.x

- Fixed: issue with international requests that have multiple packages
- Fixed: error when other mods set a postcode but not a country in the session
- Fixed: spacing between "Boxes" and "Weight" text strings

- Updated: increased curl timeout values from 10 seconds to 30 seconds

Updated to v2022-12-12

Release Notes:
- Added: support for Parcel Select Ground

- Confirmed: compatibility with OpenCart 4.0.1.x

- Fixed: conflict with UPS Pro on OpenCart 4.0 versions
- Fixed: rare USPS error when a very small box size was calculated

- Updated: if a product does not have any weight or dimensions, it will now default to values of 1 (to avoid errors)