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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 a LineItem is served, such as evenly across its duration, frontloaded, or as fast as possible.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eEVENLY\u003c/code\u003e distributes delivery consistently throughout the LineItem's duration.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eFRONTLOADED\u003c/code\u003e prioritizes delivery at the start of the LineItem's flight date.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eAS_FAST_AS_POSSIBLE\u003c/code\u003e aims to deliver the LineItem's booked impressions quickly, potentially pausing lower-priority items.\u003c/p\u003e\n"]]],["The `DeliveryRateType` enumeration defines how line items are served. `EVENLY` distributes line item delivery across its duration. `FRONTLOADED` prioritizes serving at the beginning of the flight date. `AS_FAST_AS_POSSIBLE` allows a line item to quickly fulfill booked impressions, potentially halting lower-priority items. These rates are applicable to `LineItem`, managed via services like `ForecastService`, `LineItemService`, and `ProposalLineItemService`. `LineItemSummary` is a dependency.\n"],null,["**Service** \n[ForecastService](/ad-manager/api/reference/v202408/ForecastService.DeliveryRateType) **LineItemService** [LineItemTemplateService](/ad-manager/api/reference/v202408/LineItemTemplateService.DeliveryRateType) [ProposalLineItemService](/ad-manager/api/reference/v202408/ProposalLineItemService.DeliveryRateType) **Dependencies** \n[LineItemSummary](/ad-manager/api/reference/v202408/LineItemService.LineItemSummary) \n▼\n**DeliveryRateType**\n\nPossible delivery rates for a [LineItem](/ad-manager/api/reference/v202408/LineItemService.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/LineItemService.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/LineItemService.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. |"]]