Facebook CAPI 400 errors inside Make.com usually mean one thing:
Meta is rejecting your server-side payload.
In this video, we break down the REAL causes behind:
• Invalid parameter errors
• Missing data arrays
• Broken JSON payloads
• Invalid UNIX timestamps
• Unhashed user data
• Event deduplication failures
You'll learn how to correctly configure:
✅ Make.com HTTP modules
✅ Meta Conversions API payloads
✅ SHA-256 hashing
✅ event_id deduplication
✅ Server-side tracking architecture
This is the exact infrastructure modern media buyers and operators use to prevent attribution loss after iOS 14 and browser tracking restrictions.
Full guide:
https://creatoropsmatrix.com/facebook-capi-400-bad-request-make-com/
More server-side tracking tutorials:
https://creatoropsmatrix.com/
#facebookcapi #makecom #metaads #serversidetracking #facebookads #conversionsapi #digitalmarketing #metaapi #webhooks #marketingautomation
00:00 Introduction & 400 Error Problem
00:38 Why Broken Tracking Destroys Revenue
01:21 Browser Pixel vs Server-Side Tracking
01:50 Why Meta Returns a 400 Bad Request Error
02:21 Failed JSON Payload vs Working Payload
02:52 Missing Data Array Wrapper Explained
03:14 EMQ Rules & Why Raw Emails Fail
03:40 Correct SHA-256 Hashing in Make.com
04:08 Unix Timestamp Formatting for Meta CAPI
04:37 Make.com HTTP Module Configuration
05:05 Event ID Deduplication Setup
05:31 Common CAPI Mistakes That Trigger 400 Errors
05:57 Testing Events Safely in Meta Events Manager
06:29 HTTP 200 Success Response Explained
06:57 Why Broken Attribution Hurts Scaling
07:17 Complete Make.com Attribution Blueprint