Unverified50% confidenceFactExact time
When the WhatsApp Business API receives a new message, it sends a POST request to a preconfigured Webhook URL, triggering the subsequent processing flow.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
n8n for Beginners: From Workflows to WhatsApp AI Customer Service
youtubeRafia Automates10/17/2026
Related Entities
Related Claims
UnverifiedWebhook is the underlying mechanism of the WhatsApp trigger: when a user sends a message, Meta's server sends an HTTP POST request to a pre-registered URL, and n8n listens on that URL to start the workflow.75% similarUnverifiedUnofficial WhatsApp libraries such as whatsapp-web.js and baileys communicate with WhatsApp servers by simulating the WebSocket protocol of the WhatsApp Web client, enabling message automation without the official Business API75% similarVerifiedWebhooks use a push model, actively sending an HTTP POST request to a target URL when an event occurs in the source system, with significant advantages over polling in terms of latency and resource consumption.61% similarUnverifiedFor service-oriented scenarios, a notify_url (must be https) can be passed when POSTing to /v1/jobs, and a single JSON POST callback is received after the task completes; also, sending an Idempotency-Key request header avoids accidentally starting a second task on retry.61% similarUnverifiedWhatsApp Business API的按钮消息（Button Message）最多支持3个按钮，每个按钮文本不超过20个字符61% similar
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