HelloShift is modern messaging for hotels – guest messaging, staff collaboration, and website chat in one platform to help hoteliers deliver phenomenal service with multi-channel messaging. Guest Messaging connects with guests through SMS, WhatsApp, Messenger, E-mail, and more.

Pub/Sub allows services to communicate asynchronously, with latencies on the order of 100 milliseconds. Pub/Sub is used for streaming analytics and data integration pipelines to ingest and distribute data. It's equally effective as a messaging-oriented middleware for service integration or as a queue to parallelize tasks.