What is AWS FreeEventsAnalyzed?

Last updated: April 10, 2025

Amazon GuardDuty has foundational threat monitoring that analyzes events from AWS CloudTrail. The first 30 days of usage is free and this billing code represents the corresponding free tier usage. Once you roll off of the first 30 days of usage, you will be charged per millions events monitored per month.

Available Regions The prefix represents the region.
Line Item Region
AFS1-FreeEventsAnalyzed Africa region in Cape Town, South Africa
APN1-FreeEventsAnalyzed Asia Pacific region in Tokyo, Japan
APN2-FreeEventsAnalyzed Asia Pacific region in Seoul, South Korea
APN3-FreeEventsAnalyzed Asia Pacific region in Osaka, Japan
APS1-FreeEventsAnalyzed Asia Pacific region in Singapore
APS2-FreeEventsAnalyzed Asia Pacific region in Sydney, Australia
APS3-FreeEventsAnalyzed Asia Pacific region in Mumbai, India
APS5-FreeEventsAnalyzed Asia Pacific region in Hyderabad, India
CAN1-FreeEventsAnalyzed Canada region in Central Canada
CNN1-FreeEventsAnalyzed China region in Beijing
CNW1-FreeEventsAnalyzed China region in Ningxia
EU-FreeEventsAnalyzed Europe (Regional Designation)
EUC1-FreeEventsAnalyzed Europe region in Frankfurt, Germany
EUN1-FreeEventsAnalyzed Europe region in Stockholm, Sweden
EUS1-FreeEventsAnalyzed Europe region in Milan, Italy
EUW2-FreeEventsAnalyzed Europe region in London, United Kingdom
EUW3-FreeEventsAnalyzed Europe region in Paris, France
SAE1-FreeEventsAnalyzed South America region in São Paulo, Brazil
UGW1-FreeEventsAnalyzed AWS GovCloud region in US West
USE1-FreeEventsAnalyzed US East region in Northern Virginia
USE2-FreeEventsAnalyzed US East region in Ohio
USW1-FreeEventsAnalyzed US West region in Northern California
USW2-FreeEventsAnalyzed US West region in Oregon