Great question — answering as the UphillTech team:
I'd like to track shipments in real time "Real-time tracking" is a misnomer in the shipping technology industry. EasyPost does provide webhook events to notify you of updates, but those updates will never come in "real-time" and no tracking service provider should ever make such a claim. There will always be some kind of delay between when the carrier updates their system and when the updates are able to flow through providers like EasyPost. The delay may be short, but any delay at all means that "real-time" goes out the window. Being an EasyPost employee myself, I have to disclose my bias and say that I believe EasyPost can help you get updates as promptly as possible for UPS shipments....
Full answer by Endgamers: https://stackoverflow.stackexchange.com/a/71876092 (CC BY-SA 4.0).
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