Add reaction

Add an emoji reaction to a message. Platform support:

• Telegram: Supports a subset of Unicode emoji reactions
• WhatsApp: Supports any standard emoji (one reaction per message per sender)
• All others: Returns 400 (not supported)

POST /v1/inbox/conversations/{conversationId}/messages/{messageId}/reactions

Add an emoji reaction to a message. Platform support:

• Telegram: Supports a subset of Unicode emoji reactions
• WhatsApp: Supports any standard emoji (one reaction per message per sender)
• All others: Returns 400 (not supported)

Parameters

• conversationId (path, string) required — The conversation ID

• messageId (path, string) required — The platform message ID to react to

Request body

Content-Type: application/json

• accountId (string) required — Social account ID
• emoji (string) required — Emoji character (e.g. "👍", "❤️")

Responses

200 — Reaction added

• success (boolean)

400 — Platform does not support reactions or invalid request

401

403 — Inbox addon required

404 — Account or conversation not found