USPS (PRIORITY) error: 80040B23 API Authorization failure API RateV4

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  • Hikashop Business
8 months 3 weeks ago #361553

-- url of the page with the problem -- : langecraft.com/
-- HikaShop version -- : 5.1.0
-- Joomla version -- : 4.4.5
-- PHP version -- : 8.0.28
-- Browser(s) name and version -- : Chrome
-- Error-message(debug-mod must be tuned on) -- : USPS (PRIORITY) error: 80040B23 API Authorization failure. User xxxxxxLANGExx is not authorized to use API RateV4.

USPS plugin stopped working, website is only displaying "Best Way" shipping rates.

USPS (PRIORITY) error: 80040B23 API Authorization failure. User xxxxxxLANGExx is not authorized to use API RateV4.
USPS (FIRST CLASS) error: 80040B23 API Authorization failure. User xxxxxxLANGExx is not authorized to use API RateV4.
USPS (GROUND ADVANTAGE) error: 80040B23 API Authorization failure. User xxxxxxLANGExx is not authorized to use API RateV4.

I saw where you uploaded a new version of the plugin on another post and uploaded that with no help.
I went to USPS website and created a new account and still not working.

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Last edit: 8 months 3 weeks ago by HarborRV.

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8 months 3 weeks ago #361561

Hi,

Indeed the only reference I can find online for this error is this one:
wordpress.org/support/topic/there-are-no...r-address-has-bee-4/
And since you mention that you already tried to use a new account and it didn't help, I suppose you must have already found it.
But since there is no other information available online for this error, we can't do anything.
Could you contact the USPS tech support for help ? Maybe something special needs to be activated on their end for your USPS account ?

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  • Hikamarket Multivendor
3 weeks 1 day ago #365728

Hey did you ever get a resolution for this error. I'm currently going through the same exact headache. I contacted This email address is being protected from spambots. You need JavaScript enabled to view it. several times and NOBODY replies or calls. If your managed to sort the issue out, could you please share it with the forum. I'm certain many are getting the same error as well.

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3 weeks 14 hours ago #365748

Hi,

I would recommend phoning someone at USPS and see if they can redirect you to the correct person.
Here is a list of a lot of contacts at USPS, with their phone numbers for many:
postalpro.usps.com/support
For example, the guys at the "Parcel Data Exchange (PDX) API" might be colleagues of the ones for the webtools API.

Now, the error message being "User xxxxxxLANGExx is not authorized to use API RateV4", it sounds to me that your USPS account needs to have something activated to be able to use the API.
And looking again online about it, I can see another page talking about it, also mentioning to contact USPS to have it activated for your account:
wordpress.org/support/topic/api-authoriz...d-to-use-api-ratev4/

So I'm afraid we can't do much on our end besides redirecting you to USPS.

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  • Hikamarket Multivendor Hikashop Business Hikashop Essential
5 days 7 hours ago #366057

Out of curiosity, is this related to the Web Tools API being retired on January 25, 2026, per postalpro.usps.com/node/13834 ?

USPS says to migrate to the new USPS APIs by then.

All of HikaShop's documentation and plugin language are still using Web Tools, so I am a little confused about whether we need to do anything.

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4 days 20 hours ago #366058

Hi,

Thank you for your feedback on this. We were not aware of this change.
I don't think it is linked. You should still be able to use the Web Tools API for a year.
On our end, it will require the development of a brand new shipping plugin from scratch for USPS so that users can migrate to it until January 2026.

Last edit: 4 days 14 hours ago by nicolas.
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  • Hikamarket Multivendor Hikashop Business Hikashop Essential
4 days 15 hours ago #366064

Glad I mentioned it then.

I first heard of it yesterday when I found an email from USPS API Communications This email address is being protected from spambots. You need JavaScript enabled to view it.> dated 3/6 in my spam folder.

Apparently, they sent one back on 2/14, too, which was also in my spam folder.

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