---
updatedAt: 2025-11-11T23:05:56.000Z
agentTools:
  projectIndex: https://developers.shipup.co/llms.txt
---

# Expected deliveries

# Exact date vs window

Expected delivery can come in two ways:

* Exact date: the date provided is a single date, or a date with a time by which it should be delivered.
* Window: a range during which the parcel should be delivered. It can be a date range, or a time range within a single day.

# Sending expected delivery

If the date provided should be an exact date, then the field that should be used should be `expected_delivery_at` or `expected_delivery_end` on the Tracker model.

If the date provided should be a range, then the fields that should be used should be `expected_delivery_start` and `expected_delivery_end`