When setting up ACI Worldwide in the Dashboard, you will need to configure the following credentials, which are obtained from ACI Worldwide merchant dashboard:
The entity required to authorize the request. This should be the channel entity identifier. In case channel dispatching is activated then it should be the merchant entity identifier.
Access token can found under
Administration > Account data > Merchant / Channel Info
Base URL (Optional)
The base URL to use for API requests. If no Base URL is provided then the following defaults are used: