Fetch daily costs on AWS

getDailyCost.py

# pip install boto3

import boto3
from datetime import datetime, timedelta

# 初始化 Cost Explorer 客戶端
client = boto3.client('ce')

# 設定日期範圍
end_date = datetime.now().strftime('%Y-%m-%d')
start_date = (datetime.now() - timedelta(days=30)).strftime('%Y-%m-%d')

# 呼叫 GetCostAndUsage API
response = client.get_cost_and_usage(
    TimePeriod={
        'Start': start_date,
        'End': end_date
    },
    Granularity='DAILY',
    Metrics=['UnblendedCost']
)

# 輸出結果
for result in response['ResultsByTime']:
    print(f"Date: {result['TimePeriod']['Start']}, Cost: {result['Total']['UnblendedCost']['Amount']} {result['Total']['UnblendedCost']['Unit']}")