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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 in Google Ad Manager.\u003c/p\u003e\n"],["\u003cp\u003eIt offers three options: EVENLY, FRONTLOADED, and AS_FAST_AS_POSSIBLE, each impacting delivery speed and distribution over time.\u003c/p\u003e\n"],["\u003cp\u003eEVENLY distributes delivery across the line item's duration, FRONTLOADED prioritizes early delivery, and AS_FAST_AS_POSSIBLE aims for quickest delivery, potentially pausing lower-priority items.\u003c/p\u003e\n"],["\u003cp\u003eThese delivery rates affect how impressions or clicks are served for a line item within its flight dates.\u003c/p\u003e\n"]]],["The document defines the `DeliveryRateType` for line items within ad services. It outlines three delivery rate options: `EVENLY`, which distributes line item serving across a specified duration; `FRONTLOADED`, which prioritizes delivery at the beginning of the flight date; and `AS_FAST_AS_POSSIBLE`, which delivers booked impressions quickly, potentially halting lower-priority items. The delivery rates impact how `LineItem`, `LineItemTemplate`, and `ProposalLineItem` services are served. These services use the `ForecastService` and depend on `LineItemSummary` and `ProposalLineItem`.\n"],null,["# enum DeliveryRateType (v202408)\n\n**Service** \n**ForecastService** [LineItemService](/ad-manager/api/reference/v202408/LineItemService.DeliveryRateType) [LineItemTemplateService](/ad-manager/api/reference/v202408/LineItemTemplateService.DeliveryRateType) [ProposalLineItemService](/ad-manager/api/reference/v202408/ProposalLineItemService.DeliveryRateType) **Dependencies** \n[LineItemSummary](/ad-manager/api/reference/v202408/ForecastService.LineItemSummary) [ProposalLineItem](/ad-manager/api/reference/v202408/ForecastService.ProposalLineItem) \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. |"]]
