Unverified50% confidenceFactExact time
Webhook 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.
1
Sources
50%
Confidence
Long-term
Relevance
10/6/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedA webhook is essentially an HTTP callback: after a repository detects an event such as a code push, it sends a POST request to a pre-configured URL.74% 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 API71% similarVerifiedA webhook is a reverse API mechanism in which a business system sends an HTTP POST request to a pre-registered URL when a status change occurs, with latency typically within the sub-second range.70% similarUnverified网络爬虫的底层原理是通过模拟浏览器行为向服务器发送HTTP/HTTPS请求，获取HTML或JSON响应数据，再借助解析库提取信息69% similarUnverifiedYCloud's API platform is essentially a middleware encapsulation of the WhatsApp Business API that receives business system events via Webhook and automatically triggers WhatsApp notifications based on preset templates.68% similar
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