How to configure Meta Pixel + Google Analytics 4

Quick answer

LimãoPay has server-side Conversions API ready — no JS in the browser, no ad blockers.

1. Go to Settings → Integrations
2. Meta Pixel: paste Pixel ID + Access Token (generated in business.facebook.com)
3. GA4: paste Measurement ID + API Secret (generated in analytics.google.com → Admin → Data Streams → Measurement Protocol)
4. Save → events fire from the server automatically

Events that fire

Why server-side is better

• Not blocked by iOS 14.5+ ATT, Brave, ad blockers
• More reliable than client-side pixel (up to 30% of conversions vanish in JS pixel)
• Accurate attribution — Facebook/Google know which ad converted

Where to find your credentials

Meta

• Pixel ID: business.facebook.com → Events → Settings → Pixel ID
• Access Token: business.facebook.com → System Users → "Generate Token" with ads_management permission

GA4

• Measurement ID: analytics.google.com → Admin → Data Streams → your site → starts with G-
• API Secret: same screen, scroll to "Measurement Protocol API Secrets" → Create

Common errors

• "Events don't show in Meta" → Wait 5-10min (normal delay). If still nothing, validate the Access Token.
• "GA4 Auth error" → API Secret is wrong or expired. Regenerate.
• "Duplicate purchase in funnel" → Seller also configured the old JS pixel. Remove the JS, keep only server-side.

Expected result

Within 24h, you see events arriving in both platforms. You can run campaigns optimized for Purchase directly, no data loss.