Line Item Eligibility

Before a line item can bid on an impression, it must pass all eligibility checks. These checks are evaluated in order and the first failure stops evaluation.

Eligibility checks

#	Check	Rejection reason
1	Status	Line item must not be paused
2	Start date	Current time must be after delivery.startDate
3	End date	Current time must be before delivery.endDate
4	Media type	Line item media type must match the impression (e.g. banner requires imp.banner)
5	Targeting	Every targeting attribute on the unified Targeting shape must pass (see Targeting)

Line item statuses

Status	Can deliver?	Description
needs_creative	No	No creatives attached yet
ready	Yes	Ready to deliver but not yet started
delivering	Yes	Currently active
paused	No	Manually paused by the user
completed	No	Goal reached or end date passed

Media type matching

The line item's mediatype field must match the impression object:

Line item mediatype	Required impression field
banner	imp.banner must be present
video	imp.video must be present
native	imp.native must be present
audio	imp.audio must be present

Debug information

In non-production environments or when test=1 or nexx360_debug=1 is set, the response includes an ext.eligibility object with the rejection reason for each line item per impression. Example reasons:

status:paused
date:not_started (start=2026-05-01T00:00:00Z, now=2026-04-09T12:00:00Z)
date:expired (end=2026-03-01T00:00:00Z, now=2026-04-09T12:00:00Z)
mediatype:banner (imp has no banner)
targeting:geography:included (expected=[US,CA], actual=FR,FR-IDF,Paris)
targeting:domain:excluded (expected=[competitor.com], actual=competitor.com)
targeting:userData:included (keys=[audience,category])

The targeting reason format is targeting:<attribute>:<mode> (...), where <attribute> matches the field name on the unified Targeting shape (e.g. geography, domain, userData) and <mode> is included or excluded.