What is AWS Lambda-Streaming-Response-Processed-Bytes?

Last updated: April 10, 2025

The Lambda HTTP Response Stream feature returns an HTTP response stream to improve Time to First Byte performance. Charges apply per GB of processed response bytes on x86 architectures, with the first 6 MB per request included at no additional cost.

Available Regions The prefix represents the region.
Line Item Region
APS1-Lambda-Streaming-Response-Processed-Bytes Asia Pacific region in Singapore
Lambda-Streaming-Response-Processed-Bytes US East region in Northern Virginia