---
title: Create a custom asset
---

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[API Reference](https://developers.cloudflare.com/api/python)

[Custom Pages](https://developers.cloudflare.com/api/python/resources/custom_pages)

[Assets](https://developers.cloudflare.com/api/python/resources/custom_pages/subresources/assets)

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# Create a custom asset

custom\_pages.assets.create(AssetCreateParams\*\*kwargs) -> [AssetCreateResponse](<https://developers.cloudflare.com/api/python/resources/custom_pages#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)>)

POST/{accounts\_or\_zones}/{account\_or\_zone\_id}/custom\_pages/assets

Creates a custom asset for an account or zone.

##### Security

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

**Example:**`X-Auth-Email: user@example.com`

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

**Example:**`X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194`

##### ParametersExpand Collapse

description: str

A short description of the custom asset.

[Link to this property](<#(resource)%20custom_pages.assets%20%3E%20(method)%20create%20%3E%20(params)%20default%20%3E%20(param)%20description%20%3E%20(schema)>)

name: str

The unique name of the custom asset. Can only contain letters (A-Z, a-z), numbers (0-9), and underscores (\_).

minLength1

[Link to this property](<#(resource)%20custom_pages.assets%20%3E%20(method)%20create%20%3E%20(params)%20default%20%3E%20(param)%20name%20%3E%20(schema)>)

url: str

The URL where the asset content is fetched from.

formaturi

[Link to this property](<#(resource)%20custom_pages.assets%20%3E%20(method)%20create%20%3E%20(params)%20default%20%3E%20(param)%20url%20%3E%20(schema)>)

account\_id: Optional\[str]

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

[Link to this property](<#(resource)%20custom_pages.assets%20%3E%20(method)%20create%20%3E%20(params)%20default%20%3E%20(param)%20account_id%20%3E%20(schema)>)

zone\_id: Optional\[str]

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

[Link to this property](<#(resource)%20custom_pages.assets%20%3E%20(method)%20create%20%3E%20(params)%20default%20%3E%20(param)%20zone_id%20%3E%20(schema)>)

##### ReturnsExpand Collapse

<details>

<summary>

class AssetCreateResponse: …

</summary>

description: Optional\[str]

A short description of the custom asset.

<a href="#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)%20%3E%20(property)%20description">Link to this property</a>

last\_updated: Optional\[datetime]

formatdate-time

<a href="#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)%20%3E%20(property)%20last_updated">Link to this property</a>

name: Optional\[str]

The unique name of the custom asset. Can only contain letters (A-Z, a-z), numbers (0-9), and underscores (\_).

minLength1

<a href="#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)%20%3E%20(property)%20name">Link to this property</a>

size\_bytes: Optional\[int]

The size of the asset content in bytes.

<a href="#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)%20%3E%20(property)%20size_bytes">Link to this property</a>

url: Optional\[str]

The URL where the asset content is fetched from.

formaturi

<a href="#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)%20%3E%20(property)%20url">Link to this property</a>

</details>

[Link to this property](<#(resource)%20custom_pages.assets%20%3E%20(model)%20asset_create_response%20%3E%20(schema)>)

### Create a custom asset

Python

HTTPTypeScriptPythonGoTerraform

```
import os
from cloudflare import Cloudflare

client = Cloudflare(
    api_email=os.environ.get("CLOUDFLARE_EMAIL"),  # This is the default and can be omitted
    api_key=os.environ.get("CLOUDFLARE_API_KEY"),  # This is the default and can be omitted
)
asset = client.custom_pages.assets.create(
    description="Custom 500 error page",
    name="my_custom_error_page",
    url="https://example.com/error.html",
    account_id="account_id",
)
print(asset.description)
```

200 example

```
{
  "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": {
    "description": "Custom 500 error page",
    "last_updated": "2014-01-01T05:20:00.12345Z",
    "name": "my_custom_error_page",
    "size_bytes": 1024,
    "url": "https://example.com/error.html"
  }
}
```

##### Returns Examples

200 example

```
{
  "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": {
    "description": "Custom 500 error page",
    "last_updated": "2014-01-01T05:20:00.12345Z",
    "name": "my_custom_error_page",
    "size_bytes": 1024,
    "url": "https://example.com/error.html"
  }
}
```