generated: '2026-07-11' method: derived source: openapi/amazon-sns-api-openapi.yml summary: types: - http schemes: - name: AWS_IAM type: http scheme: bearer description: AWS Signature Version 4 authentication. Requests must be signed using IAM credentials with appropriate SNS permissions. See https://docs.aws.amazon.com/general/latest/gr/signing_aws_api_requests.html sources: - openapi/amazon-sns-api-openapi.yml