
Mercure: Live Updates Made Easy
Mercure is a protocol allowing to push data updates to web browsers and other HTTP clients in a convenient, fast, reliable and battery-efficient way. It is especially useful to publish real-time updates of resources served through web APIs, to reactive web and mobile apps.
Mercure is a modern and convenient replacement of Websockets.
Mercure: at a glance
Pure HTTP, full-duplex, leverage HTTP/2+
Native browser support, works everywhere
Publish with a simple POST request
Subscribe using Server-Sent-Events
Automatic reconnection and refetching missed messages
Designed for REST and GraphQL
Private updates (JWT authorization)
Hub mechanism for serverless, PHP and the like
Supports end-to-end encryption
They use Mercure





Need help ?
Documentation
Reading the documentation is an excellent way to discover Mercure.
Community support
Chat with the community on Slack and Stack Overflow
Training
Improve your Mercure skills thanks to our trainings.
Professional services
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