## Get the Hostname Client Certificate

**get** `/zones/{zone_id}/origin_tls_client_auth/hostnames/certificates/{certificate_id}`

Get the certificate by ID to be used for client authentication on a hostname.

### Path Parameters

- `zone_id: string`

  Identifier.

- `certificate_id: string`

  Identifier.

### Returns

- `errors: array of object { code, message, documentation_url, source }`

  - `code: number`

  - `message: string`

  - `documentation_url: optional string`

  - `source: optional object { pointer }`

    - `pointer: optional string`

- `messages: array of object { code, message, documentation_url, source }`

  - `code: number`

  - `message: string`

  - `documentation_url: optional string`

  - `source: optional object { pointer }`

    - `pointer: optional string`

- `success: true`

  Whether the API call was successful.

  - `true`

- `result: optional object { id, certificate, expires_on, 5 more }`

  - `id: optional string`

    Identifier.

  - `certificate: optional string`

    The hostname certificate.

  - `expires_on: optional string`

    The date when the certificate expires.

  - `issuer: optional string`

    The certificate authority that issued the certificate.

  - `serial_number: optional string`

    The serial number on the uploaded certificate.

  - `signature: optional string`

    The type of hash used for the certificate.

  - `status: optional "initializing" or "pending_deployment" or "pending_deletion" or 4 more`

    Status of the certificate or the association.

    - `"initializing"`

    - `"pending_deployment"`

    - `"pending_deletion"`

    - `"active"`

    - `"deleted"`

    - `"deployment_timed_out"`

    - `"deletion_timed_out"`

  - `uploaded_on: optional string`

    The time when the certificate was uploaded.

### Example

```http
curl https://api.cloudflare.com/client/v4/zones/$ZONE_ID/origin_tls_client_auth/hostnames/certificates/$CERTIFICATE_ID \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN"
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": {
    "id": "023e105f4ecef8ad9ca31a8372d0c353",
    "certificate": "-----BEGIN CERTIFICATE-----\nMIIDtTCCAp2gAwIBAgIJAMHAwfXZ5/PWMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV\nBAYTAkFVMRMwEQYDVQQIEwpTb21lLVN0YXRlMSEwHwYDVQQKExhJbnRlcm5ldCBX\naWRnaXRzIFB0eSBMdGQwHhcNMTYwODI0MTY0MzAxWhcNMTYxMTIyMTY0MzAxWjBF\nMQswCQYDVQQGEwJBVTETMBEGA1UECBMKU29tZS1TdGF0ZTEhMB8GA1UEChMYSW50\nZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB\nCgKCAQEAwQHoetcl9+5ikGzV6cMzWtWPJHqXT3wpbEkRU9Yz7lgvddmGdtcGbg/1\nCGZu0jJGkMoppoUo4c3dts3iwqRYmBikUP77wwY2QGmDZw2FvkJCJlKnabIRuGvB\nKwzESIXgKk2016aTP6/dAjEHyo6SeoK8lkIySUvK0fyOVlsiEsCmOpidtnKX/a+5\n0GjB79CJH4ER2lLVZnhePFR/zUOyPxZQQ4naHf7yu/b5jhO0f8fwt+pyFxIXjbEI\ndZliWRkRMtzrHOJIhrmJ2A1J7iOrirbbwillwjjNVUWPf3IJ3M12S9pEewooaeO2\nizNTERcG9HzAacbVRn2Y2SWIyT/18QIDAQABo4GnMIGkMB0GA1UdDgQWBBT/LbE4\n9rWf288N6sJA5BRb6FJIGDB1BgNVHSMEbjBsgBT/LbE49rWf288N6sJA5BRb6FJI\nGKFJpEcwRTELMAkGA1UEBhMCQVUxEzARBgNVBAgTClNvbWUtU3RhdGUxITAfBgNV\nBAoTGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZIIJAMHAwfXZ5/PWMAwGA1UdEwQF\nMAMBAf8wDQYJKoZIhvcNAQELBQADggEBAHHFwl0tH0quUYZYO0dZYt4R7SJ0pCm2\n2satiyzHl4OnXcHDpekAo7/a09c6Lz6AU83cKy/+x3/djYHXWba7HpEu0dR3ugQP\nMlr4zrhd9xKZ0KZKiYmtJH+ak4OM4L3FbT0owUZPyjLSlhMtJVcoRp5CJsjAMBUG\nSvD8RX+T01wzox/Qb+lnnNnOlaWpqu8eoOenybxKp1a9ULzIVvN/LAcc+14vioFq\n2swRWtmocBAs8QR9n4uvbpiYvS8eYueDCWMM4fvFfBhaDZ3N9IbtySh3SpFdQDhw\nYbjM2rxXiyLGxB4Bol7QTv4zHif7Zt89FReT/NBy4rzaskDJY5L6xmY=\n-----END CERTIFICATE-----\n",
    "expires_on": "2100-01-01T05:20:00Z",
    "issuer": "GlobalSign",
    "serial_number": "6743787633689793699141714808227354901",
    "signature": "SHA256WithRSA",
    "status": "active",
    "uploaded_on": "2019-10-28T18:11:23.37411Z"
  }
}
```