Glossary
WhatsApp webhook
WhatsApp webhooks: HTTP notifications of messages and statuses Meta sends to your server.
Last updated: September 15, 2026
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A WhatsApp Cloud API webhook is the HTTPS endpoint where Meta sends near-real-time events: inbound messages, delivery statuses, account changes, and more.
Without webhooks there is no reactive agent. In white-label, 42agents runs that infrastructure; the agency does not build the receiver from scratch.
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