Download S3 File Via Api Gateway [extra Quality] Info

: Create a resource (e.g., /{folder}/{item} ) and a GET method. Integration Request : Integration type : AWS Service. AWS Service : S3. HTTP method : GET.

: Navigate to the API Gateway Console and create a new REST API. download s3 file via api gateway

To ensure files like images or PDFs aren't corrupted, you must configure Binary Media Types . Add */* or specific MIME types (e.g., image/jpeg ) in the API Gateway "Settings" tab. Method 2: Lambda Proxy Integration (Custom Logic) : Create a resource (e

: The Lambda returns a JSON object containing the base64-encoded file, appropriate headers, and isBase64Encoded: true . Example Python Lambda Snippet: HTTP method : GET

: Paste the ARN of the IAM role created in Step 1. 3. Enable Binary Support

This is the most efficient method for straightforward file retrieval, as it removes the latency and cost of an intermediary Lambda function. 1. Setup IAM Permissions Create an IAM Role that allows API Gateway to call S3.