The core of PubNub. Send and receive data to any number of connected devices in a ¼ second.
Efficient and optimized. Subscribe to 10,000s of streams with a single socket connection.
Never lose data. Store and retrieve message history, and use message catchup when disconnected.
Security is paramount. TLS connectivity and built-in AES256 libraries deliver secure point-to-point and end-to-end encryption.
With SDKs for every language and every device, PubNub DSN works seamlessly between web, mobile, IoT, and everything in between.
PubNub DSN connects 15 global points-of-presence to provide low-latency messaging between any number of devices and any number of users, anywhere on Earth.
Hardened and secure, Realtime Messaging handles whatever the real world throws at it. PubNub automatically manages dropped connections, unreliable networking environments, firewalls, and comes standard with AES/TLS encryption.
"PubNub provided a simple-to-use SDK with clear documentation for every platform we needed. Furthermore, PubNub provided the necessary technical support for everything not covered in the documentation."
Senior Computer Scientist
Technologist at Arc Worldwide Malaysia (for McDonald’s)