WhatsApp Web API (WWebJS) icon

WhatsApp Web API (WWebJS)

Interact with WhatsApp Web API via WWebJS — send messages, manage sessions, chats, groups, contacts and channels

Channel → Fetch Messages

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Summary

Fetches messages from a WhatsApp channel via the WWebJS API.

Inputs

  • sessionId (required) — Session identifier. Select from the list or use an expression. Falls back to credentials default if empty.
  • chatId (required) — Unique WhatsApp identifier for the channel

Output shape

merged with input data; API response merged as JSON

No additional parameters are required or declared for this operation combination. The API endpoint is POST /channel/fetchMessages/{sessionId} with body { chatId }.

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