Sous l’appellation Pub/Sub (''Publish/Subscribe'') pour publier/souscrire est une fonctionnalité avancée de l'API Rest.
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The REST API gives you one-to-one communications, but what about one-to-many? Spark OS also includes pub/sub communications so that devices can talk to one another (by publishing and subscribing to the same topics) or broadcast messages to the world. It's like Twitter for things.