Build HIPAA-compliant apps that healthcare professionals can depend on in every situation


Traceable, on-demand healthcare vehicle deployment and management for critical-care patients.

Secure chat with time-bound history for 1000s of healthcare professionals across Europe and the UK.

Realtime patient engagement and scheduling in the USA for the entire patient journey.

Empower healthcare professionals with the latest technology while keeping patient data secure

  • Chat and VoIP. Patient communication with secure data management capabilities.

  • Guaranteed message delivery. Ensure users in diverse environments with often patchy networks can do their job.

  • Geolocation tracking for vehicles. Secure location tracking for compliance and traceability when needed.

  • IoT device control. Remotely manage and control devices while maintaining security.

Healthcare image

Choosing Ably has been quite easy for us because of its feature set, its scalability, high availability and its fair pricing that can let us grow with confidence.

Damien HarperCTO

The complete realtime data synchronization stack for rigorous healthcare needs

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 previously published messages and historical presence events.

Stream resume

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

Message ordering

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

Token-based authentication

Manage user permissions and chat messages with Ably's flexible JWT authentication implementation.

Region-restricted data

We can ensure messages are routed and stored in specific geographic locations.


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

Push Notifications

Deliver cross-platform push notifications with our iOS and Android SDKs.

Create dependable realtime experiences at scale

Ably was built from the ground-up to be the trusted infrastructure that supports complex, business-critical, realtime experiences in fast-growing scenarios. Our mathematically modelled approach to system design ensures critical functionality at scale and provides unmatched quality of service guarantees, enabling you to create dependable digital experiences that will delight your end-users.

Ably’s Four Pillars of Dependability


We focus on predictability of latencies, and we guarantee <65 ms round trip latency for 99th percentile. We also provide unlimited channel throughput.


Message ordering, guaranteed delivery, and exactly-once semantics are built-in, from the moment a message is published to Ably, all the way to its delivery to consumers.


Fault tolerance at regional and global levels to guarantee continuity of service even in the case of multiple infrastructure failures. 99.999999% message survivability.


Ably is meticulously designed for high availability and extreme scale. We ensure 50% capacity margin for instant surges, and provide a 99.999% uptime SLA.

Learn more about our:

Ably is awesome. It was a life-saver for me. Not only was it the only HIPAA-compliant realtime solution capable of integrating with Kafka streams and giving us the performance guarantees we need, but the set-up was just incredibly straightforward. It instantly transformed the value of the dashboard for our customers.

Andrew HanischSystem Architect