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API Key
Is an authentication key that allows to obtain an Access Token for the Core Services API.
Application
An Application is a group of related Integration Endpoints. An Application belongs to one specific Instance.
Connection
A set of configuration that allows to configure and connect to an external service. A Connection belongs to one specific Instance, and you can create any number of Integration Endpoints based on a given Connection.
Instance
A logic instance of the Core Services Platform for a specific customer or client.
On-premise Agent
The On-premise agent is a process that runs inside a secure network and establishes a Web Socket connection with the Core Services platform, enabling the of use connectors that would otherwise be unreachable from the cloud.