curl 'https://ark.cn-beijing.volcengineapi.com/?Action=ListArkAgentPlanModel&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 '{}
'

{
  "ResponseMetadata": {
    "RequestId": "2026042420200711904516115846EFE8",
    "Action": "ListArkAgentPlanModel",
    "Version": "2024-01-01",
    "Service": "ark",
    "Region": "cn-beijing"
  },
  "Result": {
    "Datas": [
      {
        "ModelID": "doubao-seed-2-1-pro-260915"
      },
      {
        "ModelID": "doubao-seed-2-1-pro-260915"
      },
      {
        "ModelID": "doubao-seed-2-1-lite-260915"
      }
    ]
  }
}