Scalepoints EventApi solution is a B2B two-way messaging bridge, so events could be published from Scalepoint to Clients and vice versa. It is not necessarily required to have do the bi-directional messaging from the begining. For example, first clients could start receiving messages and at later starge clients could start publishing.
Clients can recieve events by either using our long polling api or by subscribing to webhooks
This way Clients can publish events to Event API using EventApi REST Interface. Here is more information on how to do REST API integration with eventapi