curl -X PATCH 'https://app.filemonk.io/api/v1/external/assets/a1b2c3d4-e5f6-7890-abcd-ef1234567890' \
  -H 'X-Auth-Token: fm_api_key_your_key_here' \
  -H 'Content-Type: application/json' \
  -d '{
    "asset": {
      "name": "Photoshop Brushes Pack v3",
      "external_url": "https://cdn.example.com/files/brushes-pack-v3.zip"
    }
  }'

const assetId = 'a1b2c3d4-e5f6-7890-abcd-ef1234567890';
const response = await fetch(
  `https://app.filemonk.io/api/v1/external/assets/${assetId}`,
  {
    method: 'PATCH',
    headers: {
      'X-Auth-Token': 'fm_api_key_your_key_here',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      asset: {
        name: 'Photoshop Brushes Pack v3',
        external_url: 'https://cdn.example.com/files/brushes-pack-v3.zip'
      }
    })
  }
);
const data = await response.json();

import requests

asset_id = 'a1b2c3d4-e5f6-7890-abcd-ef1234567890'
response = requests.patch(
    f'https://app.filemonk.io/api/v1/external/assets/{asset_id}',
    headers={'X-Auth-Token': 'fm_api_key_your_key_here'},
    json={
        'asset': {
            'name': 'Photoshop Brushes Pack v3',
            'external_url': 'https://cdn.example.com/files/brushes-pack-v3.zip'
        }
    }
)
data = response.json()

{
  "asset": {
    "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "type": "external",
    "name": "Photoshop Brushes Pack v3",
    "filename": "brushes-pack-v3.zip",
    "external_url": "https://cdn.example.com/files/brushes-pack-v3.zip",
    "content_type": "application/zip",
    "byte_size": 0,
    "watermark_asset": false,
    "autogenerate_licence_key": false,
    "created_at": "2026-03-01T14:30:00Z",
    "updated_at": "2026-04-08T10:00:00Z"
  }
}

{
  "error": "Asset not found"
}

{
  "errors": ["External url can't be blank"]
}