This API is used to query information about a certificate.

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Specifies the project ID.
certificate_id	Yes	String	Specifies the certificate ID.

Request parameters

None

Response parameters

**Table 2** Parameter description
Parameter	Type	Description
id	String	Specifies the certificate ID.
name	String	Specifies the certificate name.
expireTime	Long	Specifies the time when the certificate expires.
timestamp	Long	Specifies the time when the certificate is uploaded.

A certificate named cert_b is used as an example.

Response example

{
    "id": "388a7789d55b41d1918b3088a8f1e7f3",
    "name": "cert_b",
    "timestamp": 1545467166765,
    "expireTime": 1555467166765
}

Table 3 describes the normal status code returned by the API.

**Table 3** Status code
Status Code	Description	Meaning
200	OK	The request has succeeded.

For details about error status codes, see Status Codes.

Querying a Certificate