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Connect from Python, Node.js and Go — no brokers, no configuration.
Direct Messages
1const p1 = await cpo.postbox("postbox-1", "secret-key");
2
3
4p1.send({ to: "postbox-2", msg: "hello" });
5
6
7p2.listen(msg => console.log(msg));
Pub/Sub
1
2p1.subscribe("news", (topic, msg) => console.log(msg));
3
4
5p2.publish("news", { msg: "CloudPostOffice is live!" });
Everything you need to connect AI Agents, Apps, and Devices.
Send a message from one Agent, app, to another — instantly. No channels needed, just postbox address to send.
Any postbox can publish or subscribe to any topic on the fly — no pre-configuration, no broker setup, no config files.
Subscribers receive messages over MQTT the moment they're published. Low latency, no polling.
Create and manage postboxes from your dashboard. Each postbox gets its own identity and secret key, ready to connect.
Python, Node.js and Go SDKs — ready to drop into any AI Agent, app or device.
Straight forward pricing with no hidden costs. We're still working out the details — stay tuned.
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