{"id":"apigateway-streaming-requires-mode-and-format","text":"API Gateway Lambda response streaming requires both the response transfer mode set to `Stream` and function code adhering to the required metadata+delimiter format — mismatched combinations return a 500 error or missing response body.","truth_value":"IN","source":"entries/2026/03/11/apigateway-latest-developerguide-response-transfer-mode-lambdahtml.md","source_url":"","source_hash":"41a47397bd0b399a","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"apigateway-streaming-requires-mode-and-format","truth_value":"IN","reason":"premise"}]}}