The correct choice is Redshift Data API. It provides an HTTPS, connectionless interface to submit SQL to Amazon Redshift asynchronously, manage statements, and retrieve results using the AWS SDK and IAM, eliminating JDBC or ODBC drivers and embedded database credentials. The option Amazon Redshift Serverless is not sufficient because it addresses cluster management and scaling, not the connectionless programmatic execution of SQL. The option Amazon RDS Data API applies to Aurora Serverless and certain RDS engines rather than Redshift. The option Amazon Redshift Query Editor v2 is a web console for interactive use, not a service API for microservices. Watch for keywords like no JDBC or ODBC, no stored credentials, IAM, asynchronous statements, and programmatic retrieval. These point directly to the Redshift Data API. Do not confuse it with the RDS Data API or Query Editor v2, which are commonly listed as distractors.