{"id":"dynamodb-cur-no-region-prefix-means-us-east-1","text":"In AWS Cost and Usage Reports, an absent region prefix in DynamoDB UsageType codes means `us-east-1`.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-bp-understanding-billinghtml.md","source_url":"","source_hash":"2af811c386010b1d","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-cur-no-region-prefix-means-us-east-1","truth_value":"IN","reason":"premise"}]}}