
OAuth2 Token Introspection vs JWT Validation on Cognito and API Gateway
Local JWT validation is fast until revocation lags bite you. When to introspect at Cognito, use API Gateway JWT authorizers, and add Verified Permissions for fine-grained authz.

Local JWT validation is fast until revocation lags bite you. When to introspect at Cognito, use API Gateway JWT authorizers, and add Verified Permissions for fine-grained authz.

June 2026 AWS announcements — Console Private Access without internet (June 15), EC2 M9g/M9gd Graviton5 GA, Claude Fable 5 GA, FinOps Agent preview, Cost Explorer Analyze with Amazon Q, Bedrock console redesign, Cognito multi-Region replication, GPT-5.4 in GovCloud. Plus June 30 lifecycle updates for Bedrock Agents Classic, Q Business, and Kendra.

Cognito is fine until you need it to do something it wasn't designed for — and then it's a multi-quarter rewrite. User pools, hosted UI, multi-tenant patterns, and the architecture decisions that determine whether Cognito fits your SaaS or you should look at Auth0.
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