Conversions API in practice.
It's essential these days: adblockers, iOS tracking restrictions and cookie banners make a substantial share of pixel events disappear. Without that data, the ad algorithm optimises blind. With a cleanly set-up CAPI, campaigns become measurable again – and considerably more efficient.
We'll explain it to you over the phone – no jargon and no sales pressure.
Why browser tracking is no longer enough.
Traditional tracking runs through a JavaScript pixel in the user's browser. That only works if the pixel loads – and that's exactly what adblockers, browser protection mechanisms, iOS settings and rejected cookie banners now prevent.
The result: a substantial share of actual purchases never reaches the advertising platform. The algorithm then optimises on incomplete data – campaigns look worse than they are and learn more slowly.
The Conversions API reports the same events additionally on the server side: straight from the shop server to the platform, without the detour via the browser. Combined with the pixel and clean deduplication, your data becomes reliable again.
What setting it up involves.
Via an app, a server-side tagging setup or a direct integration.
Assign event IDs so the pixel and API don't count the same event twice.
Hashed data significantly improve the match rate.
Consent must be respected on the server side too.
The platforms display a rating of the data quality.
The effect shows up as more attributed conversions on the same budget.
Common mistakes.
Only the API, no pixel. The two together deliver the best coverage.
Forgetting deduplication. Then purchases get counted twice and all your metrics are wrong.
Ignoring consent. Server-side tracking doesn't release you from the UK GDPR.
Frequently asked questions about Conversions API.
Is the Conversions API UK GDPR-compliant?
Does it really make a measurable difference?
Does this apply only to Meta?
Let's talk about your project.
Request your no-obligation callback – we'll discuss your goals and tell you honestly whether and how we can help.
We will get back to you as soon as possible – usually the same working day.