post https://emailapi.netcorecloud.net/v6/messages/download
Assigns a domain to a subaccount so it can be used independently under that context. Supported Authorization type is “Bearer” along with value of your Email API KEY Which you can find in your Email API account under Settings >Integrations > API.
Endpoint: POST https://apieu.netcorecloud.net/v6/domains/allocate
Notes
Ensure the domain exists and is available before calling this endpoint.
Each domain can be allocated to only one subaccount at a time.
You must have valid credentials and appropriate permissions for the sub-account.