## Revoke Certificate

`origin_ca_certificates.delete(strcertificate_id)  -> OriginCACertificateDeleteResponse`

**delete** `/certificates/{certificate_id}`

Revoke an existing Origin CA certificate by its serial number. You can use an Origin CA Key as your User Service Key or an API token when calling this endpoint ([see above](#requests)).

### Parameters

- `certificate_id: str`

  Identifier.

### Returns

- `class OriginCACertificateDeleteResponse: …`

  - `id: Optional[str]`

    Identifier.

  - `revoked_at: Optional[datetime]`

    When the certificate was revoked.

### Example

```python
import os
from cloudflare import Cloudflare

client = Cloudflare(
    user_service_key=os.environ.get("CLOUDFLARE_API_USER_SERVICE_KEY"),  # This is the default and can be omitted
)
origin_ca_certificate = client.origin_ca_certificates.delete(
    "023e105f4ecef8ad9ca31a8372d0c353",
)
print(origin_ca_certificate.id)
```

#### Response

```json
{
  "result": {
    "id": "023e105f4ecef8ad9ca31a8372d0c353",
    "revoked_at": "2024-09-06T18:43:47.928893Z"
  }
}
```