Blue bubbles, by API.

import { Bubbl3 } from "@bubbl3/sdk";

const b3 = new Bubbl3(process.env.BUBBL3_API_KEY);

const msg = await b3.messages.send({
  to: "+19175550142",
  pool: "reminders",        // rotate across a pool
  text: "Your order has shipped",
  fallback: "sms",
  idempotencyKey: "order-8812-shipped",
});

console.log(msg.service, msg.status); // "imessage" "delivered"

from bubbl3 import Bubbl3

b3 = Bubbl3(api_key=os.environ["BUBBL3_API_KEY"])

msg = b3.messages.send(
    to="+19175550142",
    pool="reminders",
    text="Your order has shipped",
    fallback="sms",
)

print(msg.service, msg.status)  # imessage delivered

POST https://your-app.com/hooks/bubbl3
bubbl3-signature: t=1791405120,v1=9f2c…

{
  "type": "message.received",
  "conversation_id": "cv_3QF8",
  "from": "+19175550142",
  "line": "ln_07",
  "service": "imessage",
  "text": "Perfect, thank you",
  "received_at": "2026-10-06T16:12:04Z"
}

// claude_desktop_config.json, or any MCP client
{
  "mcpServers": {
    "bubbl3": {
      "url": "https://mcp.bubbl3.com",
      "headers": {
        "Authorization": "Bearer $BUBBL3_API_KEY"
      }
    }
  }
}