Securing Your Serverless API: Cognito JWT, Lambda Authorizers, and IAM Auth with Serverless Framework V4
September 9, 2026 · SleekDeploy Team
Three ways to lock down an HTTP API on AWS Lambda — the built-in JWT authorizer with Cognito or any OIDC provider, custom Lambda request authorizers for API keys and per-tenant rules, and SigV4 IAM auth — plus the claims-handling traps and a pre-launch checklist.
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