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Fix Facebook CAPI 400 Errors in Make.com | Meta Conversions API Setup Guide

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May 13, 2026
8:02

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

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Fix Facebook CAPI 400 Errors in Make.com | Meta Conversions API Setup Guide | NatokHD