Ably is a real-time data delivery platform that provides APIs and infrastructure for building live and interactive applications. It enables developers to create applications that require real-time updates, such as chat apps, live sports updates, or collaborative tools.

Ably is a serverless WebSocket PaaS operating at the edge to power applications that depend on realtime data streaming. There’s no infrastructure to provision or manage, just an evolving suite of SDKs and APIs that give you the freedom and flexibility to power live and collaborative experiences with a few lines of code. Ably's mathematically modeled system design provides a globally-distributed edge network that brings users closer to your app; unique data ordering and delivery guarantees to ensure a seamless end-user experience; a legitimate 99.999% uptime SLA underpinned by fault tolerant infrastructure; and instant elasticity to enable effortless scale!