Velix WhatsApp Tool icon

Velix WhatsApp Tool

Send and read WhatsApp messages via Velix API. Use this tool to send text messages, images, reactions, locations, and contacts through WhatsApp, and to read recent messages from a contact or group chat. The instance ID is pre-configured — you only need to provide the recipient and message content.

Actions8

Send Reaction

AI-generated

Summary

Send an emoji reaction to a WhatsApp message using the configured Velix instance. Provide the recipient’s JID, the message ID from an incoming webhook, and an emoji; an empty emoji removes a previous reaction.

Inputs

  • Instance ID (required) — UUID of the WhatsApp instance configured in Velix.
  • Recipient (JID) (required) — WhatsApp JID of the person or group, such as 5511999990001@s.whatsapp.net or 120363012345678901@g.us.
  • Message ID (required) — ID of the message to react to, available as the id field in an incoming message webhook.
  • Emoji (required) — Emoji to send as the reaction. An empty string removes a previous reaction.

Output shape

One output item per input item, containing the API response as JSON.

The node sends a POST request to the Velix reaction endpoint. If the response's data field is an array, the output is { "messages": [...], "count": n }; otherwise, it returns the response object (or wraps a non-object response in { "result": ... }). With Continue On Fail enabled, failed items return { "error": "..." }.

Examples

Example 1: React to a received message

Set the recipient JID, use the received message’s id as Message ID, and enter an emoji such as 👍.

Example 2: Remove a reaction

Use the same recipient JID and message ID, and set Emoji to an empty string.

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