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CAPI
Also known as · Conversions API
Server-side conversion event sending that bypasses browser-side tracking limits.Conversions API (CAPI) is Meta's server-side conversion-tracking endpoint that bypasses browser-side restrictions (ATT, cookie blocking, ad blockers). Sending events both client-side (pixel) and server-side (CAPI) typically recovers 18-28% of attributed conversions in 2026, depending on category.
Related terms
Other paid media terms.
ROAS
Revenue divided by ad spend for a given period or campaign.
CPC
Average paid amount per click in a campaign or ad set.
CPM
Cost per 1,000 ad impressions delivered.
CTR
Clicks divided by impressions, expressed as a percentage.
LSA
Google's pay-per-lead format for local service businesses, showing above standard search results.
ATT
Apple's 2021 iOS requirement that apps request explicit permission to track users across other apps and websites.
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