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Amazon API Gateway introduces routing rules for REST APIs

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Amazon API Gateway has introduced a new feature for REST APIs that enables dynamic routing using custom domain names.

  • Supports routing based on HTTP header values, URL base paths, or both
  • Enables use cases like A/B testing, API versioning, and backend selection
  • Routing rules are defined with priorities, conditions, and associated actions
  • Rules are evaluated in priority order, with lower numbers taking precedence
  • Eliminates need for proxy layers and complex URL structures
  • Works with both public and private REST APIs
  • Available in all AWS Regions, including AWS GovCloud (US)

This new feature provides more granular control over API traffic routing within Amazon API Gateway.

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