Ably for sports, media, & audience engagement

Deliver realtime experiences ready to serve global audiences of millions in days not months

Keep your audiences informed, entertained, and engaged with realtime experiences that outperform the competion

Push Notifications
Push Notifications Keep your audience engaged with immediate updates and mobile notifications.
Presence and occupancy
Presence and occupancy Know who's online and how many people are tuned in.
Stream processing
Stream processing Ingest realtime events into your systems, process or transform them, and republish in milliseconds.
Guaranteed message delivery
Guaranteed message delivery Ensure global audiences with diverse network conditions get the same experience.

Tennis Austrlia case study

Each year, Tennis Australia broadcasts the Australian Open Grand Slam tournament to millions of global spectators, across multiple digital formats - all in real time.

View case study
View case study

The complete realtime stack to engage audiences at any scale

Pub/Sub messaging

Publish messages to millions of subscribers over channels that support multiplexing.

Device & user presence

Know when devices or users are online by subscribing to presence events.

Message history

Retrieve past messages up to 72 hours in the past. Useful for chat or live feeds.

Stream resume

On disconnect we keep state and retry connection every 15 seconds for two minutes.

Message ordering

Ably guarantees all messages are delivered in the same order as originally published.

Flexible security

Authenticate clients directly using API keys or use secure Ably or JWT tokens for users.

Multiple protocols

Ably supports pub/sub over WebSockets, MQTT, and Server-Sent Events (SSE).


Trigger business logic (e.g. AWS Lambda) or process data elsewhere (e.g. RabbitMQ).

A Pub/Sub platform engineered around Four Pillars of Dependability

Delivering seamless experiences to your customers is vital, that's why we created the four pillars. This mathematically modelled approach to system design guarantees critical functionality at scale.

SOC 2 Type 2

SOC 2 Type 2 audited, and HIPAA compliant for peace of mind.

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99.999% uptime SLA

A fault-tolerant, highly-available design means a legitimate uptime SLA.

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Global Edge network

Our global presence means the lowest latencies, wherever your users are.

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Rapidly build production-ready realtime capabilities with quickstart guides, realtime concepts, and full API reference.

Read the docs

Our step-by-step tutorials and demos will help you learn Ably and understand what our realtime platform is capable of.

Browse the tutorials
25+ Client Library SDKs

We support the environments, languages, and platforms you work with. Ably fits into your stack wherever you need us.

Download an SDK