curl -X POST https://api.ibubbl.com/v1/messages/8b3a4e72-1c2d-4e5f-9a0b-2c3d4e5f6a7b/reactions \
  -H "Authorization: Bearer $IBUBBL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"type": "love"}'

const messageId = "8b3a4e72-1c2d-4e5f-9a0b-2c3d4e5f6a7b";

const res = await fetch(`https://api.ibubbl.com/v1/messages/${messageId}/reactions`, {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.IBUBBL_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({ type: "love" }),
  signal: AbortSignal.timeout(10_000),
});

const data = await res.json();
if (!res.ok) throw new Error(`${res.status} ${data.detail?.error}`);
// 201: a new tapback; 200: that tapback was already on the message.
console.log(res.status, data.id, data.status);

import os

import requests

API_KEY = os.environ["IBUBBL_API_KEY"]

message_id = "8b3a4e72-1c2d-4e5f-9a0b-2c3d4e5f6a7b"

res = requests.post(
    f"https://api.ibubbl.com/v1/messages/{message_id}/reactions",
    headers={"Authorization": f"Bearer {API_KEY}"},
    json={"type": "love"},
    timeout=10,
)
data = res.json()
if not res.ok:
    raise RuntimeError(f"{res.status_code} {data['detail']['error']}")
# 201: a new tapback; 200: that tapback was already on the message.
print(res.status_code, data["id"], data["status"])

{
  "id": "7a8b9c0d-1e2f-3a4b-5c6d-7e8f9a0b1c2d",
  "message_id": "8b3a4e72-1c2d-4e5f-9a0b-2c3d4e5f6a7b",
  "conversation_id": "3a4b5c6d-7e8f-9a0b-1c2d-3e4f5a6b7c8d",
  "type": "love",
  "emoji": "❤️",
  "direction": "outbound",
  "status": "pending",
  "failed_reason": null,
  "created_at": "2026-11-11T16:03:25.403057Z",
  "removed_at": null
}

{
  "detail": {
    "error": "sms_not_supported",
    "message": "This conversation is on SMS, where tapbacks can't be sent. They work over iMessage and RCS."
  }
}