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

Session → Start

AI-generated

Summary

Start a WhatsApp session identified by a session ID.

Inputs

  • sessionId (required) — Unique identifier for the session. Select from the list or switch to expression mode to enter a custom ID. Falls back to the default from credentials if empty.

Output shape

a single session object

The response typically contains the opened session details (e.g., session ID, state). May vary by API version.

Examples

Example 1: Resume a previously saved session

Choose an existing session ID from the dropdown and execute the node; the session is started and its data is returned.

Example 2: Start a session with a custom ID

Enter a custom session ID using expression mode and run the node to initialize that session.

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