Z-API by @icarodevInstall

Summary

Send a reaction emoji to an existing message on a WhatsApp phone.

Inputs

• phone (required) — Phone number with country code (e.g., 5511999999999)
• messageId (required) — ID of the message
• reaction (required) — Emoji reaction to send

Output shape

object

Returns the HTTP response from Z‑API, typically an acknowledgment of the reaction; exact fields are implementation‑dependent.

Examples

Example 1: Add a 👍 reaction to a previously sent message.

phone = 5511999999999, messageId = 1234567890, reaction = 👍

Example 2: React with a heart emoji to a specific message.

phone = 5511999999999, messageId = 9876543210, reaction = ❤️

Links

• n8n community nodes installation guide