Possible delivery rates for a LineItem, which dictate the manner in
which they are served.
Namespace
https://www.google.com/apis/ads/publisher/v202408
Enumeration
Description
EVENLY
Line items are served as evenly as possible across the number of
days specified in a line item's LineItem.duration.
FRONTLOADED
Line items are served more aggressively in the beginning of the flight
date.
AS_FAST_AS_POSSIBLE
The booked impressions for a line item may be delivered well before the
LineItem.endDateTime. Other lower-priority or lower-value line
items will be stopped from delivering until this line item meets the number
of impressions or clicks it is booked for.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[[["\u003cp\u003eDeliveryRateType dictates how line items are served, such as evenly, frontloaded, or as fast as possible.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eEVENLY\u003c/code\u003e distributes delivery across the line item's duration, \u003ccode\u003eFRONTLOADED\u003c/code\u003e prioritizes early delivery, and \u003ccode\u003eAS_FAST_AS_POSSIBLE\u003c/code\u003e aims for rapid completion.\u003c/p\u003e\n"],["\u003cp\u003eThese delivery rates apply to LineItems and impact their serving behavior within Google Ad Manager.\u003c/p\u003e\n"]]],["The core content details the `DeliveryRateType` for line items within ad management. It defines three delivery rate options: `EVENLY`, which serves ads uniformly across a line item's duration; `FRONTLOADED`, serving ads more heavily at the beginning; and `AS_FAST_AS_POSSIBLE`, which prioritizes delivering the booked impressions quickly, potentially halting lower-priority line items until the target is met. These rates are managed through `ForecastService`, `LineItemService`, `LineItemTemplateService` and `ProposalLineItemService`.\n"],null,["**Service** \n[ForecastService](/ad-manager/api/reference/v202408/ForecastService.DeliveryRateType) [LineItemService](/ad-manager/api/reference/v202408/LineItemService.DeliveryRateType) **LineItemTemplateService** [ProposalLineItemService](/ad-manager/api/reference/v202408/ProposalLineItemService.DeliveryRateType) **Dependencies** \n[LineItemTemplate](/ad-manager/api/reference/v202408/LineItemTemplateService.LineItemTemplate) \n▼\n**DeliveryRateType**\n\nPossible delivery rates for a [LineItem](/ad-manager/api/reference/v202408/ForecastService.LineItem), which dictate the manner in\nwhich they are served.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202408`\n\n| Enumeration | Description |\n|-----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `EVENLY` | Line items are served as evenly as possible across the number of days specified in a line item's [LineItem.duration](/ad-manager/api/reference/v202408/ForecastService.LineItem#duration). |\n| `FRONTLOADED` | Line items are served more aggressively in the beginning of the flight date. |\n| `AS_FAST_AS_POSSIBLE` | The booked impressions for a line item may be delivered well before the [LineItem.endDateTime](/ad-manager/api/reference/v202408/ForecastService.LineItem#endDateTime). Other lower-priority or lower-value line items will be stopped from delivering until this line item meets the number of impressions or clicks it is booked for. |"]]
