API Gateway accounts used for private integrations (legacy) - Amazon API Gateway
Services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the AWS European Sovereign Cloud Region, see the AWS European Sovereign Cloud User Guide.

API Gateway accounts used for private integrations (legacy)

The following region-specific API Gateway account IDs are automatically added to your VPC endpoint service as AllowedPrincipals when you create a VpcLink.