The Amazon Redshift Data API is now available in the AWS GovCloud (US) Regions

You can now use the Amazon Redshift Data API in the AWS GovCloud (US) Regions to access Amazon Redshift. The Redshift Data API simplifies data access, ingest, and egress from languages supported with AWS SDK such as Python, Go, Java, Node.js, PHP, Ruby, and C++ so you can focus on building applications versus managing infrastructure.

Source:: Amazon AWS