## List Client Certificates

`client.ClientCertificates.List(ctx, params) (*V4PagePaginationArray[ClientCertificate], error)`

**get** `/zones/{zone_id}/client_certificates`

List all of your Zone's API Shield mTLS Client Certificates by Status and/or using Pagination

### Parameters

- `params ClientCertificateListParams`

  - `ZoneID param.Field[string]`

    Path param: Identifier.

  - `Limit param.Field[int64]`

    Query param: Limit to the number of records returned.

  - `Offset param.Field[int64]`

    Query param: Offset the results

  - `Page param.Field[float64]`

    Query param: Page number of paginated results.

  - `PerPage param.Field[float64]`

    Query param: Number of records per page.

  - `Status param.Field[ClientCertificateListParamsStatus]`

    Query param: Client Certitifcate Status to filter results by.

    - `const ClientCertificateListParamsStatusAll ClientCertificateListParamsStatus = "all"`

    - `const ClientCertificateListParamsStatusActive ClientCertificateListParamsStatus = "active"`

    - `const ClientCertificateListParamsStatusPendingReactivation ClientCertificateListParamsStatus = "pending_reactivation"`

    - `const ClientCertificateListParamsStatusPendingRevocation ClientCertificateListParamsStatus = "pending_revocation"`

    - `const ClientCertificateListParamsStatusRevoked ClientCertificateListParamsStatus = "revoked"`

### Returns

- `type ClientCertificate struct{…}`

  - `ID string`

    Identifier.

  - `Certificate string`

    The Client Certificate PEM

  - `CertificateAuthority ClientCertificateCertificateAuthority`

    Certificate Authority used to issue the Client Certificate

    - `ID string`

    - `Name string`

  - `CommonName string`

    Common Name of the Client Certificate

  - `Country string`

    Country, provided by the CSR

  - `Csr string`

    The Certificate Signing Request (CSR). Must be newline-encoded.

  - `ExpiresOn string`

    Date that the Client Certificate expires

  - `FingerprintSha256 string`

    Unique identifier of the Client Certificate

  - `IssuedOn string`

    Date that the Client Certificate was issued by the Certificate Authority

  - `Location string`

    Location, provided by the CSR

  - `Organization string`

    Organization, provided by the CSR

  - `OrganizationalUnit string`

    Organizational Unit, provided by the CSR

  - `SerialNumber string`

    The serial number on the created Client Certificate.

  - `Signature string`

    The type of hash used for the Client Certificate..

  - `Ski string`

    Subject Key Identifier

  - `State string`

    State, provided by the CSR

  - `Status Status`

    Client Certificates may be active or revoked, and the pending_reactivation or pending_revocation represent in-progress asynchronous transitions

    - `const StatusActive Status = "active"`

    - `const StatusPendingReactivation Status = "pending_reactivation"`

    - `const StatusPendingRevocation Status = "pending_revocation"`

    - `const StatusRevoked Status = "revoked"`

  - `ValidityDays int64`

    The number of days the Client Certificate will be valid after the issued_on date

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/cloudflare/cloudflare-go"
  "github.com/cloudflare/cloudflare-go/client_certificates"
  "github.com/cloudflare/cloudflare-go/option"
)

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  page, err := client.ClientCertificates.List(context.TODO(), client_certificates.ClientCertificateListParams{
    ZoneID: cloudflare.F("023e105f4ecef8ad9ca31a8372d0c353"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", page)
}
```

#### 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-----\nMIIDmDCCAoC...dhDDE\n-----END CERTIFICATE-----",
      "certificate_authority": {
        "id": "568b6b74-7b0c-4755-8840-4e3b8c24adeb",
        "name": "Cloudflare Managed CA for account"
      },
      "common_name": "Cloudflare",
      "country": "US",
      "csr": "-----BEGIN CERTIFICATE REQUEST-----\nMIICY....\n-----END CERTIFICATE REQUEST-----",
      "expires_on": "2033-02-20T23:18:00Z",
      "fingerprint_sha256": "256c24690243359fb8cf139a125bd05ebf1d968b71e4caf330718e9f5c8a89ea",
      "issued_on": "2023-02-23T23:18:00Z",
      "location": "Somewhere",
      "organization": "Organization",
      "organizational_unit": "Organizational Unit",
      "serial_number": "3bb94ff144ac567b9f75ad664b6c55f8d5e48182",
      "signature": "SHA256WithRSA",
      "ski": "8e375af1389a069a0f921f8cc8e1eb12d784b949",
      "state": "CA",
      "status": "active",
      "validity_days": 3650
    }
  ],
  "result_info": {
    "count": 1,
    "page": 1,
    "per_page": 20,
    "total_count": 2000,
    "total_pages": 100
  }
}
```