## Create Custom CSR

`custom_csrs.create(CustomCsrCreateParams**kwargs)  -> CustomCsrCreateResponse`

**post** `/{accounts_or_zones}/{account_or_zone_id}/custom_csrs`

Generate a new custom Certificate Signing Request (CSR) for an account or zone. Cloudflare generates and securely stores the private key associated with the CSR.

### Parameters

- `common_name: str`

  The common name (domain) for the CSR. Must be at most 64 characters.

- `country: str`

  Two-letter ISO 3166-1 alpha-2 country code.

- `locality: str`

  City or locality name.

- `organization: str`

  Organization name.

- `sans: Sequence[str]`

  Subject Alternative Names for the CSR. At least one SAN is required.

- `state: str`

  State or province name.

- `account_id: Optional[str]`

  The Account ID to use for this endpoint. Mutually exclusive with the Zone ID.

- `zone_id: Optional[str]`

  The Zone ID to use for this endpoint. Mutually exclusive with the Account ID.

- `description: Optional[str]`

  Optional description for the CSR.

- `key_type: Optional[Literal["rsa2048", "p256v1"]]`

  Key algorithm to use for the CSR. Defaults to rsa2048 if not specified.

  - `"rsa2048"`

  - `"p256v1"`

- `name: Optional[str]`

  Human-readable name for the CSR.

- `organizational_unit: Optional[str]`

  Organizational unit name.

### Returns

- `class CustomCsrCreateResponse: …`

  A custom Certificate Signing Request (CSR).

  - `id: str`

    Custom CSR identifier tag.

  - `created_at: datetime`

    When the CSR was created.

  - `key_type: Literal["rsa2048", "p256v1"]`

    The key algorithm used to generate the CSR.

    - `"rsa2048"`

    - `"p256v1"`

  - `account_tag: Optional[str]`

    Account identifier associated with this CSR.

  - `common_name: Optional[str]`

    The common name (domain) for the CSR.

  - `country: Optional[str]`

    Two-letter ISO 3166-1 alpha-2 country code.

  - `csr: Optional[str]`

    The PEM-encoded Certificate Signing Request.

  - `description: Optional[str]`

    Optional description for the CSR.

  - `locality: Optional[str]`

    City or locality name.

  - `name: Optional[str]`

    Human-readable name for the CSR.

  - `organization: Optional[str]`

    Organization name.

  - `organizational_unit: Optional[str]`

    Organizational unit name.

  - `sans: Optional[List[str]]`

    Subject Alternative Names included in the CSR.

  - `state: Optional[str]`

    State or province name.

### Example

```python
import os
from cloudflare import Cloudflare

client = Cloudflare(
    api_token=os.environ.get("CLOUDFLARE_API_TOKEN"),  # This is the default and can be omitted
)
custom_csr = client.custom_csrs.create(
    common_name="example.com",
    country="US",
    locality="San Francisco",
    organization="Cloudflare, Inc.",
    sans=["example.com", "www.example.com"],
    state="California",
    account_id="account_id",
)
print(custom_csr.id)
```

#### 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": "7b163417-1d2b-4c84-a38a-2fb7a0cd7752",
    "created_at": "2024-01-15T10:30:00Z",
    "key_type": "rsa2048",
    "account_tag": "23e087bd19bc1d40ae95b6f297263ceb",
    "common_name": "example.com",
    "country": "US",
    "csr": "-----BEGIN CERTIFICATE REQUEST-----\nMIICYzCCAUsCAQAwHj...",
    "description": "CSR for example.com wildcard",
    "locality": "San Francisco",
    "name": "My Custom CSR",
    "organization": "Cloudflare, Inc.",
    "organizational_unit": "Engineering",
    "sans": [
      "example.com",
      "www.example.com"
    ],
    "state": "California"
  }
}
```