i understand that this is off topic.

But to help you make the decision there's a couple of elements that you want to put into consideration.

1. What are the events that you are looking to consume? Use case?
2. Will you be pushing or just subscribing.
3. Lastly frequency.

A less known feature in SFDC is the data change function, but its been a few years since i work on it. But you can explore if that helps. https://developer.salesforce.com/docs/atlas.en-us.change_data_capture.meta/change_data_capture/cdc_intro.htm