This basically puts a REST/HTTP GET frontend on your messaging backend (Kafka, RabbitMQ, MQTT, etc). So whatever events you want to expose publicly can be done

This basically puts a REST/HTTP GET frontend on your messaging backend (Kafka, RabbitMQ, MQTT, etc). So whatever events you want to expose publicly can be done over plain HTTP. Having said that, IMO using SSE or websockets would be a better fit than raw HTTP.