Meta Conversions API (Meta CAPI)

You did everything right.
Meta just couldn't see it.

Your pixel is installed correctly, your ads are running, yet your Meta ROAS keeps declining. Ad blockers, Apple's ITP, and Firefox are silently dropping events before they ever reach Meta. It's time to move to Conversion API and server-side tracking.

Try for free no credit card required. Plug&play with your existing GoogleTagManager or Shopify setup. First 100,000 requests free.

Trusted by + 1000 companies

What's happening to your data?

You've been here before.

A customer finds your store through an Instagram ad, spends twelve minutes browsing, adds two items to the cart, and checks out, but nothing shows up in Events Manager.

Why?

• Safari ITP blocks all third-party cookies by default, like Firefox, Brave, and Edge.
• Ad blockers intercept browser scripts before they ever reach Meta
• Firefox blocks third-party trackers by default, for everyone

And the list goes on…

Without the full picture, you keep optimizing a number that was never real. Until now…

Addingwell takes Meta tracking out of the browser

Addingwell runs a managed server between your website and Meta.

When a customer converts, the event travels from your site to Addingwell's server, and from there, directly to Meta's Conversions API.

Server to server. No browser involved.

The conversion gets logged. Meta gets the signal. The algorithm learns. Now your ROAS reflects reality.

Recover lost conversions with Addingwell

Every consented purchase and checkout reaches Meta (Safari, Firefox, ad blockers included)
Meta's Event Match Quality improves  (you get better attribution, better lookalikes, better bids)
Architecture Anti-Adblockers
Retargeting audiences reflect your real buyers
Conversion API for Meta and more, Google Ads, Tiktok, Pinterest, Snapchat...
Meta Advanced Matching
Omnichannel Event Ready
GDPR-ready with Consent Mode and monitoring
100% Human Support
PLANS

Transparent, Scalable Pricing

Server-side infrastructure shouldn’t require a custom enterprise contract. Addingwell pricing is based on the number of requests processed so you scale as your tracking scales.

Free Plan
Test Everything Addingwell allows, with this 100,000 requests free plan.
Free
Popular
Pay as you go
Best infrastructure and toolset for your server-side tracking strategy. The go-to solution.
from 90€/mo
Enterprise
High volumes, Security, compliance, and flexible deployment.
Custom
Upgrade when you’re ready. No long-term commitment.

What happens after migration

Here’s what are clients typically see:

+152% Google Ads orders
+15% more data sent to Meta
4-second faster page load
43% more return visits on Safari

When platforms receive better signals, bidding improves.
When attribution improves, decisions improve.
When data improves, budgets scale.

Transparent infrastructure. Backed by Didomi.

Server-side tagging gives you control over:

What data leaves your domain, your GTM container stays yours
PII redaction & hashing
Consent-aware event forwarding
Regional hosting
Data flow is visible and setup is never locked in

Addingwell manages the hosting and monitoring. You keep full control.
And now, as part of Didomi, a global leader in consent and privacy infrastructure, the foundation is stronger than ever.

Your conversions were real.
Now Meta will know it too.

One in three of your checkouts never reached Meta. Addingwell closes that gap, starting today.

First 100,000 requests free · No credit card · Cancel anytime
addingwell interface