Ably for Virtual Events & Audience Engagement

Power engaging virtual events for millions of attendees from all over the world

Captivate participants and empower organizers with interactive realtime features that you can rely on in a world where digital live events are in great demand.

Easily build engaging realtime features that delight participants and will make your virtual event memorable

Chat and VoIP
Chat and VoIP Add chat and voice calling to your apps to power realtime interactions among event participants and hosts.
Multi-user spaces
Multi-user spaces Build virtual spaces such as meeting & breakout rooms to boost engagement and bring attendees closer together.
Polls, quizzes, and Q&As
Polls, quizzes, and Q&As Keep your users engaged and entertained with live polls, quizzes, and Q&As.
Gamification & live reactions
Gamification & live reactions Increase engagement by using gamification with realtime results & leaderboards, and enable users to express themselves via live reactions.

Our realtime engagement platform requires instant audience feedback at scale. Ably seamlessly absorbs sudden bursts in load during unexpected client events. The integration was easy and we were live in under a month.

Johan Bengtsson

CTO / Mentimeter

We are very happy to have Ably as our standard service provider for sending large quantities of push notifications to run our virtual events. The cost-benefit factor is unbeatable, as is Ably's service.

Gerhard Hauser

CEO / Flave

Robust realtime communication stack to build captivating and engaging virtual experiences at 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.


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).

Ably is a fully-featured platform, and it makes handling realtime a piece of cake. Harnessing Ably technology has freed up considerable time for our engineers to concentrate on streamlining and developing the product. When it comes to scaling the infrastructure we feel in safe hands.

Jonathan Alzetta

Co-founder and CTO / Wooclap

Ably set a new gold standard for the type of service we expect from third-parties…

David Pennar

VP Engineering / MobyMax

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.

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

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25+ Client Library SDKs

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

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