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Building automated AWS Regional availability checks with Amazon S3

Storage Blog

This article introduces AWS Regional availability data now accessible via Amazon S3, enabling organizations to programmatically check service, API, and CloudFormation resource availability across AWS Regions.

  • AWS Regional availability data now published through S3 Access Point for direct download
  • Data covers services, APIs, and CloudFormation resources with daily refresh cycles
  • Available in JSON, CSV, and Parquet formats; JSON-LD coming soon
  • Requires only standard IAM S3 GetObject permissions; no additional charges
  • Supports pre-deployment validation, regional expansion planning, and compliance auditing
  • Includes code examples for CloudFormation template validation and gap analysis
  • Accessible to all authenticated AWS principals using existing S3 workflows

Organizations can now integrate regional availability checks directly into CI/CD pipelines and data workflows without external tools or onboarding.

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