Zymbler

Lead or message delays

When Meta's webhooks lag, what to look for, and when to worry.

4 min readdraft — expanding soon
This article is being expanded
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What this article will cover

  1. §01 Expected delivery latencies: WhatsApp <5s, Lead Ads <30s, Messenger <10s
  2. §02 What's normal vs. what's a problem
  3. §03 Diagnosing on the Meta side: WhatsApp Manager → Insights
  4. §04 Diagnosing on the Zymbler side: webhook delivery log
  5. §05 Common causes: backlogged inbox, redelivery loops, paused webhook
  6. §06 When Meta is having an incident: status.fb.com
  7. §07 Lost messages: how to recover from the 24-hour history endpoint

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