Facebook Conversions API

Facebook CAPI Event Deduplication Setup

Eliminate duplicate Meta conversions when running pixel and CAPI together

Fix duplicate conversion events in Meta Ads caused by running both Facebook Pixel and CAPI. We configure proper event deduplication to prevent inflated reporting.

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Top Rated Plus Agency98% Job Success232+ Projects$100K+ EarnedView Agency Profile

500+

CAPI Implementations

40%

Avg Conversion Recovery

iOS 14+

Tracking Restored

5★

Average Client Rating

Running both the Facebook Pixel and CAPI simultaneously is best practice — but without proper deduplication, every conversion gets counted twice, inflating your reported results and confusing your campaign optimisation. We configure the event_id parameter consistently between your browser pixel and server-side CAPI calls, verify deduplication is working correctly in Meta Events Manager, and audit your existing setup to identify any events currently being double-counted.

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Server-side CAPI setup — free consultation, fast turnaround.

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What's Included

Every deliverable you receive as part of this service.

event_id implementation in browser pixel and CAPI
Deduplication logic audit and diagnosis
Events Manager duplicate event identification
Fix for inflated conversion counts
Test event verification post-fix
Documentation of deduplication logic for your team

How We Work

A clear, transparent process from first contact to handover.

01

Audit & Planning

We audit your existing pixel setup, identify data gaps caused by iOS and ad blockers, and design the optimal CAPI architecture.

02

Implementation

We configure the Conversions API with proper event deduplication, advanced matching, and your preferred hosting method (GTM, Stape, or direct API).

03

Testing & Validation

Events are validated in Meta's Events Manager, including event quality scores, deduplication accuracy, and match rate checks.

04

Handover

Full documentation of your CAPI setup, including architecture diagrams, event mapping, and a monitoring guide for your team.

Why Choose Adslytics?

What makes our Conversions API service different.

CAPI Specialists

We specialise in server-side tracking and Conversions API implementation — not generic digital marketing. Every setup is built by a specialist.

Event Quality Focused

We don't just make events fire — we optimise Event Match Quality scores to maximise attribution and ad delivery performance.

Deduplication Handled

We implement proper event deduplication so your conversion data is accurate — not inflated from both pixel and CAPI firing the same event.

Fast Delivery

Most CAPI implementations are live within 5–10 business days, with a clear timeline agreed at the start of every engagement.

Frequently Asked Questions

Common questions about Facebook CAPI Event Deduplication Setup.

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Unlock Accurate Tracking That Drives More Revenue

Stop guessing which ads drive results. We specialise in GTM, Google Tag Manager, Google Ads, Meta Pixel, and Server-Side Tracking to make your data insightful and maximise your marketing ROI.

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We are always willing to help a client in need and answer any questions or provide guidance. Let us know what you are looking for, and we will develop a unique and bespoke solution for you.

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