Marxviper

Some third-party apps still manage to track FedEx and UPS shipments. Here’s why that happens, even though Deliveries can’t: 1. Official API Access Some third-party apps have: • Formal agreements or partnerships with carriers like FedEx or UPS. • Commercial API access which gives them legitimate access to tracking data. Deliveries likely doesn’t have such agreements (or chose not to pursue them, due to cost or policy changes). 2. User-Supplied Credentials Other apps (like Parcel or 17TRACK) sometimes allow: • Users to log into their FedEx or UPS accounts, pulling data directly on the use