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一、API认证准备

Access Key ID
Secret Access Key
合作伙伴标签（Associate Tag）

pip install boto3

二、核心请求示例
import boto3
from botocore.config import Config

配置认证信息

client = boto3.client(
'paapi5',
region_name='us-east-1',
aws_access_key_id='YOUR_ACCESS_KEY',
aws_secret_access_key='YOUR_SECRET_KEY',
config=Config(retries={'max_attempts': 3})
)

构造请求参数

request = {
"ItemIds": ["B08F7PBF5N"], # 商品ASIN
"Resources": [
"Images.Primary.Large",
"Offers.Listings.Price",
"ItemInfo.Title"
],
"PartnerTag": "your-associate-tag",
"PartnerType": "Associates"
}

发送请求

response = client.get_items(**request)
print(response['items'][0])

三、响应数据处理
关键字段解析：

item = response['items'][0]

商品标题

title = item['item_info']['title']['display_value']

价格

price = item['offers']['listings'][0]['price']['display_amount']

主图URL

image_url = item['images']['primary']['large']['url']

四、错误处理建议

from datetime import datetime
timestamp = datetime.utcnow().strftime('%Y%m%dT%H%M%SZ')

from botocore.exceptions import ClientError

try:
response = client.get_items(request)
except ClientError as e:
if e.response['Error']['Code'] == 'ThrottlingException':
time.sleep(2 attempt) # 指数退避
五、合规注意事项
严格遵守API使用条款
禁止缓存敏感数据（如实时价格）超过1小时
必须在展示页标注"来自亚马逊的API数据"

通过合理使用商品数据API，开发者可构建价格监控、选品分析等工具，但务必遵循平台规则以保障接口权限稳定。

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