Creating a data service The steps to create a data service depend on the service type: Data Lake: Select this option to search and select from the list of Data Lake APIs available to you. See Creating a data service from a Data Lake API. ION API: Select this option to search and select from the list of ION APIs available to you, based on your licensed product suites. See Creating a data service from an ION API. Static List: Select this option to create a static list of values. See Creating a data service from a Static List.