Messages
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)
- Instagram and Facebook Messenger: Any standard emoji, subject to Meta's 24h messaging window
- Slack: The emoji must have a Slack name (e.g. :thumbsup:); unnamed characters return 400
- 'iMessage: The six Apple tapbacks (❤️ 👍 👎 😂 ‼️ ❓) render natively; any other emoji is sent as a custom emoji tapback (iOS 18+ recipients)'
- All others: Returns 400 (not supported)
Billing: Request; paid actions are priced in credits (see GET /v1/messaging/prices) · Rate limit: 60/min
post/v1/messaging/inbox/conversations/{conversationId}/messages/{messageId}/reactions
Request
- Base URL: https://apihub.co.il
- URL: https://apihub.co.il/v1/messaging/inbox/conversations/{conversationId}/messages/{messageId}/reactions
- Auth: HTTP bearer
Path parameters
messageIdstring required
The platform message ID (as returned by GET /messages) or the Zernio message ID (as returned by the reaction webhook)
conversationIdstring required
The conversation ID
Headers
Idempotency-Keystring
Replay-safe: the same execution is returned instead of charging twice
X-Tagstring
Group calls into one job (e.g. one video) — see GET /v1/usage?tag=…
Request body
Response
Completed
Changes
No recorded changes to this operation across all 2 revisions of this API.