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API 参考
DescribeC2PAInstance - 查询 C2PA 证书详情
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DescribeC2PAInstance - 查询 C2PA 证书详情
查询 C2PA 证书详情​
使用说明​
调用本接口需要传入已存在的 C2PA 证书实例 ID。您可以调用 ListC2PAInstances 查询实例 ID。​
注意事项​
请求频率:同一个租户每秒最多允许请求 20 次。​
请求说明​
  • 请求方法:POST​
  • 接入地址:pca.volcengineapi.com​
  • API 版本:2025-10-01​
调试​
API Explorer
您可以通过 API Explorer 在线发起调用,无需关注签名生成过程,快速获取调用结果。
​
请求参数​
下方仅列出该接口特有的请求参数和部分公共参数。更多信息请见公共参数。​
Query​
Action string 必选 示例值:DescribeC2PAInstance​
要执行的操作,取值:DescribeC2PAInstance。​
​
Version string 必选 示例值:2025-10-01​
API的版本,取值:2025-10-01。​
​
​
​
Body​
InstanceId string 必选 示例值:c2pa-cert-b7eb5c7094cc4e89ac806802361****​
C2PA 证书实例 ID。您可以调用 ListC2PAInstances 查询实例 ID。​
​
​
​
返回参数​
下方仅列出本接口特有的返回参数。更多信息请参见返回结构。​
InstanceId string 示例值:c2pa-cert-b7eb5c7094cc4e89ac806802361****​
证书实例 ID。​
​
Status string 示例值:issued​
证书实例状态列表。取值:​
  • pending:验证中​
  • issued:已签发​
  • cancelled:已取消​
  • terminated:已终结​
​
Email string 示例值:sign@example.com​
证书主体中的企业邮箱。​
​
Organization string 示例值:Example Inc.​
证书主体中的组织名称(O)。​
​
Supplier string 示例值:globalsign​
证书供应商(CA 品牌)。​
​
CertType string 示例值:s/mime​
证书类型。​
​
Plan string 示例值:globalsign_smime_ov_1y​
证书规格。取值:​
  • globalsign_smime_ov_1y:GlobalSign OV S/MIME 1 年期​
  • globalsign_smime_ov_2y:GlobalSign OV S/MIME 2 年期​
​
Description string 示例值:业务线A签名证书​
证书实例备注名。​
​
CreateTime string 示例值:2026-09-01T10:00:00Z​
实例创建时间(UTC)。​
​
Certificate string 示例值:-----BEGIN CERTIFICATE-----\nMIIEqzCC......mSD5gds=\n-----END CERTIFICATE-----\n​
终端实体证书内容,PEM 格式。​
​
CertificateChain string 示例值:-----BEGIN CERTIFICATE-----\nMIIEszCC......../m8Fxw==\n-----END CERTIFICATE-----\n-----BEGIN CERTIFICATE-----\nMIIDjjCC......fl\nMrY=\n-----END CERTIFICATE-----\n​
完整证书链内容,PEM 格式,按“终端实体证书 → 中间 CA → 根 CA”顺序拼接。​
​
Subject object 示例值:-​
证书主体信息。​
CommonName string 示例值:sign.example.com​
公用名(CN)。​
​
Country string 示例值:CN​
国家或地区代码(C)。​
​
Organization string 示例值:Example Inc.​
组织名称(O)。​
​
​
Issuer object 示例值:-​
证书签发者信息。​
CommonName string 示例值:sign.example.com​
公用名(CN)。​
​
Country string 示例值:CN​
国家或地区代码(C)。​
​
Organization string 示例值:Example Inc.​
组织名称(O)。​
​
​
SerialNumber string 示例值:7d1fa2c3e4b56a7890d1e2f3a4b5c6d7​
证书序列号。​
​
NotBefore integer 示例值:1756720800​
证书生效时间,Unix 时间戳,单位:秒。​
​
NotAfter integer 示例值:1788256800​
证书到期时间,Unix 时间戳,单位:秒。​
​
NotBeforeUTC string 示例值:2026-09-01 00:00:00 +0000 UTC​
证书签发时间(UTC)。​
​
NotAfterUTC string 示例值:2027-09-01 00:00:00 +0000 UTC​
证书到期时间(UTC)。​
​
KeyAlgorithm string 示例值:RSA_4096​
证书密钥算法。​
​
FingerPrintSha1 string 示例值:9f1b2c3d4e5f60718293a4b5c6d7e8f9012345c4​
证书指纹(SHA-1)。​
​
FingerPrintSha256 string 示例值:a53b846e14b33939e6cd7f9cf320****​
证书指纹(SHA-256)。​
​
Contact object 示例值:-​
证书申请时填写的联系人信息。​
Name string 示例值:Zhang San​
联系人姓名。​
​
Email string 示例值:contact@example.com​
联系人邮箱。​
​
Phone string 示例值:+86-138****0000​
联系人电话。​
​
​
Project string 示例值:default​
资源所属项目组。​
​
Tags object[] 示例值:-​
证书实例绑定的标签。​
Key string 示例值:env​
资源标签键。​
​
Value string 示例值:test​
资源标签值。​
​
​
​
​
请求示例​
​
POST /?Action=DescribeC2PAInstance&Version=2025-10-01 HTTP/1.1​
Host: pca.volcengineapi.com​
Content-Type: application/json; charset=UTF-8​
X-Date: 20260908T090510Z​
X-Content-Sha256: 287e874e******d653b44d21e​
Authorization: HMAC-SHA256 Credential=Adfks******wekfwe/20260908/cn-beijing/pca/request, SignedHeaders=host;x-content-sha256;x-date, Signature=47a7d934ff7b37c03938******cd7b8278a40a1057690c401e92246a0e41085f​
​
{​
"InstanceId": "c2pa-cert-b7eb5c7094cc4e89ac806802361****"​
}​
​
返回示例​
​
{​
"ResponseMetadata": {​
"RequestId": "20260908170513237182050054381D08",​
"Action": "DescribeC2PAInstance",​
"Version": "2025-10-01",​
"Service": "pca",​
"Region": "cn-beijing"​
},​
"Result": {​
"InstanceId": "c2pa-cert-b7eb5c7094cc4e89ac806802361****",​
"Status": "issued",​
"Email": "sign@example.com",​
"Organization": "Example Inc.",​
"Supplier": "globalsign",​
"CertType": "s/mime",​
"Plan": "globalsign_smime_ov_1y",​
"Description": "业务线A签名证书",​
"CreateTime": "2026-09-01T10:00:00Z",​
"Certificate": "-----BEGIN CERTIFICATE-----\nMIIEqzCC......mSD5gds=\n-----END CERTIFICATE-----\n",​
"CertificateChain": "-----BEGIN CERTIFICATE-----\nMIIEszCC......../m8Fxw==\n-----END CERTIFICATE-----\n-----BEGIN CERTIFICATE-----\nMIIDjjCC......fl\nMrY=\n-----END CERTIFICATE-----\n",​
"Subject": {​
"CommonName": "sign.example.com",​
"Country": "CN",​
"Organization": "Example Inc."​
},​
"Issuer": {​
"CommonName": "sign.example.com",​
"Country": "CN",​
"Organization": "Example Inc."​
},​
"SerialNumber": "7d1fa2c3e4b56a7890d1e2f3a4b5c6d7",​
"NotBefore": 1756720800,​
"NotAfter": 1788256800,​
"NotBeforeUTC": "2026-09-01 00:00:00 +0000 UTC",​
"NotAfterUTC": "2027-09-01 00:00:00 +0000 UTC",​
"KeyAlgorithm": "RSA_4096",​
"FingerPrintSha1": "9f1b2c3d4e5f60718293a4b5c6d7e8f9012345c4",​
"FingerPrintSha256": "a53b846e14b33939e6cd7f9cf320****",​
"Contact": {​
"Name": "Zhang San",​
"Email": "contact@example.com",​
"Phone": "+86-138****0000"​
},​
"Project": "default",​
"Tags": [​
{​
"Key": "env",​
"Value": "test"​
}​
]​
}​
}​
​
错误码​
下表为您列举了该接口与业务逻辑相关的错误码。公共错误码请参见公共错误码文档。​
​
状态码​
错误码​
错误信息​
说明​
400​
MalformedRequest​
The request is malformed.​
请求格式错误。​
400​
MissingParameter.InstanceId​
The required parameter InstanceId is missing.​
未提供必填参数 InstanceId。​
400​
InvalidParameter.InstanceId​
InstanceId format is invalid.​
InstanceId 不合法。​
404​
InstanceNotFound​
Instance not found.​
当前账号下不存在指定的 InstanceId。​
500​
InternalError​
The request failed due to an internal error.​
服务内部错误。​
​
​
最近更新时间:2026.09.08 17:24:37
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