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POST
Send an emoji reaction (such as 👍, ❤️, 😂, 😮, 😢, 🙏) to a WhatsApp message, or send an empty string "" to remove a previously placed reaction. Reacting triggers the Meta WhatsApp Cloud API and broadcasts a real-time message_status_updated event over organization WebSockets.

Authentication

This endpoint requires Bearer token authentication.

Path Parameters

string
required
Bearer token for authentication. Format: Bearer <token>.
string
required
Unique UUID identifier of the message to react to. Must be a message with an associated WhatsApp message ID.

Request Body

string
Single emoji character (e.g. 👍, ❤️, 🔥). Provide null or an empty string "" to remove a reaction.

Response Fields

boolean
Indicates whether the reaction was accepted and dispatched to Meta WhatsApp servers.