curl 'https://ark.cn-beijing.volcengineapi.com/?Action=GetPersonalPlan&Version=2024-01-01' \
  -H 'Content-Type: application/json' \
  -H 'X-Date: <X-Date>' \
  -H 'X-Content-Sha256: <X-Content-Sha256>' \
  -H 'Authorization: HMAC-SHA256 Credential=<AK>/<X-Date>/cn-beijing/ark/request, SignedHeaders=content-type;host;x-content-sha256;x-date, Signature=<Signature>' \
  -d '{
    "Plan": "AgentPlan"
}
'

{
    "ResponseMetadata": {
        "RequestId": "20260101120000D7E3F2B481A5C90463",
        "Action": "GetPersonalPlan",
        "Version": "2024-01-01",
        "Service": "ark",
        "Region": "cn-beijing"
    },
    "Result": {
        "PlanType": "Small",
        "Status": "Running",
        "StartTime": "2025-01-01T00:00:00+08:00",
        "EndTime": "2026-01-01T00:00:00+08:00",
        "AutoRenew": false
    }
}