---
id: "tw_axiom_007"
category: "general"
confidence: 1.0
date: "2026-02-19"
source_file: "Telnyx Async Webhook architecture"
---

# tw_axiom_007

Always use ASYNC webhook mode for CRM integrations. Sync mode causes AI to freeze during CRM lookups (>2 seconds). Async mode lets AI keep talking while data fetches in background.
