Is this for real? The author didn't bother to use or even consider the excellent free tools available straight from USPS for exactly this purpose (https://www.usps.com/business/web-tools-apis/) and instead went straight to the LLM prompt?
I have a feeling this is the future. Instead of fighting it we should look forward and embrace this paradigm shift because that’s how all new devs will start their journey sooner or later.