What's a good CAPI Event Coverage?
Karbon Agency's target for CAPI Event Coverage is 80.0% or higher. That is Karbon's own grading target, not a published industry average. Percentage of conversion events sent via Conversions API (server-side). Excellent is 95.0% or higher (Karbon target), and the minimum acceptable tier is 60.0% or higher (Karbon target).
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The three tiers Karbon grades against — and where each comes from
| Tier | Value | What it means | Basis |
|---|---|---|---|
| Minimum | 60.0% | The floor. Below this, something is broken. | Karbon target |
| Recommended | 80.0% | The tier a healthy campaign should hit. | Karbon target |
| Excellent | 95.0% | Top-tier performance worth defending. | Karbon target |
Higher is better for this metric.
Why CAPI Event Coverage matters
Browser-only tracking loses 20-40% of events due to ad blockers and iOS privacy changes. CAPI coverage directly determines how much data the ad platforms receive for optimization.
Sources
The three tiers on this page are Karbon Agency's grading targets. These published figures are the outside reference points for CAPI Event Coverage, so you can check our tiers against them.
- Meta Business Help Center — Best practices for Conversions API to help improve ad performance (undated page; read September 26, 2026)Run the Conversions API alongside the Meta Pixel, deduplicate the shared events, and aim for a 75% event coverage ratio of Conversions API to Meta Pixel events.
Where does your CAPI Event Coverage land?
Karbon Agency grades every client campaign against these exact tiers, live on a dashboard — no guessing, no quarterly PDFs.