> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.itspropel.com/llms.txt.
> For full documentation content, see https://docs.itspropel.com/llms-full.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.itspropel.com/_mcp/server.

# Update Article

PUT https://knowledge-base/articles/%7Bkb_article_id%7D
Content-Type: multipart/form-data

Reference: https://docs.itspropel.com/propel-biz/28-knowledge-base/articles/update-article

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: PropelBiz
  version: 1.0.0
paths:
  /knowledge-base/articles/%7Bkb_article_id%7D:
    put:
      operationId: update-article
      summary: Update Article
      tags:
        - subpackage_28KnowledgeBase.subpackage_28KnowledgeBase/articles
      parameters:
        - name: '{{tenant_key_name}}'
          in: header
          required: false
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/28 Knowledge Base_Articles_Update
                  Article_Response_200
      requestBody:
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                title:
                  type: string
                  description: 'Optional: Updated article title - string, max 255 chars'
                content:
                  type: string
                  description: 'Optional: Updated article body - string'
                updated_at:
                  type: string
                  description: >-
                    Required: Last known updated_at for optimistic locking - ISO
                    8601 datetime
                change_note:
                  type: string
                  description: 'Optional: Note describing the changes made'
                article_type:
                  type: string
                  description: >-
                    Optional: Article type -
                    troubleshooting|parts_reference|installation_guide|safety_procedure
                kb_category_id:
                  type: string
                  description: 'Optional: Category UUID'
                location_ids[]:
                  type: string
                  description: 'Optional: Array of tenant location UUIDs'
                equipment_tags[0][brand]:
                  type: string
                  description: 'Optional: Equipment brand tag - string'
              required:
                - title
                - content
                - updated_at
                - change_note
                - article_type
                - kb_category_id
                - location_ids[]
                - equipment_tags[0][brand]
servers:
  - url: https:/
components:
  schemas:
    28 Knowledge Base_Articles_Update Article_Response_200:
      type: object
      properties: {}
      description: Empty response body
      title: 28 Knowledge Base_Articles_Update Article_Response_200

```

## SDK Code Examples

```python
import requests

url = "https://https/knowledge-base/articles/%7Bkb_article_id%7D"

payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\nHow to Replace the Air Filter on Model X2000\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"content\"\r\n\r\nThis article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"updated_at\"\r\n\r\n2024-06-01T10:15:30Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"change_note\"\r\n\r\nUpdated instructions to include safety precautions and new filter part number.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"article_type\"\r\n\r\ninstallation_guide\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"kb_category_id\"\r\n\r\na3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"location_ids[]\"\r\n\r\nd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"equipment_tags[0][brand]\"\r\n\r\nAcmeCorp\r\n-----011000010111000001101001--\r\n"
headers = {
    "{{tenant_key_name}}": "{{tenant_key_value1}}|{{tenant_key_value2}}",
    "Content-Type": "multipart/form-data; boundary=---011000010111000001101001"
}

response = requests.put(url, data=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://https/knowledge-base/articles/%7Bkb_article_id%7D';
const form = new FormData();
form.append('title', 'How to Replace the Air Filter on Model X2000');
form.append('content', 'This article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.');
form.append('updated_at', '2024-06-01T10:15:30Z');
form.append('change_note', 'Updated instructions to include safety precautions and new filter part number.');
form.append('article_type', 'installation_guide');
form.append('kb_category_id', 'a3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d');
form.append('location_ids[]', 'd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a');
form.append('equipment_tags[0][brand]', 'AcmeCorp');

const options = {
  method: 'PUT',
  headers: {'{{tenant_key_name}}': '{{tenant_key_value1}}|{{tenant_key_value2}}'}
};

options.body = form;

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://https/knowledge-base/articles/%7Bkb_article_id%7D"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\nHow to Replace the Air Filter on Model X2000\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"content\"\r\n\r\nThis article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"updated_at\"\r\n\r\n2024-06-01T10:15:30Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"change_note\"\r\n\r\nUpdated instructions to include safety precautions and new filter part number.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"article_type\"\r\n\r\ninstallation_guide\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"kb_category_id\"\r\n\r\na3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"location_ids[]\"\r\n\r\nd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"equipment_tags[0][brand]\"\r\n\r\nAcmeCorp\r\n-----011000010111000001101001--\r\n")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("{{tenant_key_name}}", "{{tenant_key_value1}}|{{tenant_key_value2}}")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://https/knowledge-base/articles/%7Bkb_article_id%7D")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["{{tenant_key_name}}"] = '{{tenant_key_value1}}|{{tenant_key_value2}}'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\nHow to Replace the Air Filter on Model X2000\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"content\"\r\n\r\nThis article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"updated_at\"\r\n\r\n2024-06-01T10:15:30Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"change_note\"\r\n\r\nUpdated instructions to include safety precautions and new filter part number.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"article_type\"\r\n\r\ninstallation_guide\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"kb_category_id\"\r\n\r\na3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"location_ids[]\"\r\n\r\nd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"equipment_tags[0][brand]\"\r\n\r\nAcmeCorp\r\n-----011000010111000001101001--\r\n"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.put("https://https/knowledge-base/articles/%7Bkb_article_id%7D")
  .header("{{tenant_key_name}}", "{{tenant_key_value1}}|{{tenant_key_value2}}")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\nHow to Replace the Air Filter on Model X2000\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"content\"\r\n\r\nThis article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"updated_at\"\r\n\r\n2024-06-01T10:15:30Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"change_note\"\r\n\r\nUpdated instructions to include safety precautions and new filter part number.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"article_type\"\r\n\r\ninstallation_guide\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"kb_category_id\"\r\n\r\na3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"location_ids[]\"\r\n\r\nd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"equipment_tags[0][brand]\"\r\n\r\nAcmeCorp\r\n-----011000010111000001101001--\r\n")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'https://https/knowledge-base/articles/%7Bkb_article_id%7D', [
  'multipart' => [
    [
        'name' => 'title',
        'contents' => 'How to Replace the Air Filter on Model X2000'
    ],
    [
        'name' => 'content',
        'contents' => 'This article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.'
    ],
    [
        'name' => 'updated_at',
        'contents' => '2024-06-01T10:15:30Z'
    ],
    [
        'name' => 'change_note',
        'contents' => 'Updated instructions to include safety precautions and new filter part number.'
    ],
    [
        'name' => 'article_type',
        'contents' => 'installation_guide'
    ],
    [
        'name' => 'kb_category_id',
        'contents' => 'a3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d'
    ],
    [
        'name' => 'location_ids[]',
        'contents' => 'd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a'
    ],
    [
        'name' => 'equipment_tags[0][brand]',
        'contents' => 'AcmeCorp'
    ]
  ]
  'headers' => [
    '{{tenant_key_name}}' => '{{tenant_key_value1}}|{{tenant_key_value2}}',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://https/knowledge-base/articles/%7Bkb_article_id%7D");
var request = new RestRequest(Method.PUT);
request.AddHeader("{{tenant_key_name}}", "{{tenant_key_value1}}|{{tenant_key_value2}}");
request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\nHow to Replace the Air Filter on Model X2000\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"content\"\r\n\r\nThis article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"updated_at\"\r\n\r\n2024-06-01T10:15:30Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"change_note\"\r\n\r\nUpdated instructions to include safety precautions and new filter part number.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"article_type\"\r\n\r\ninstallation_guide\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"kb_category_id\"\r\n\r\na3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"location_ids[]\"\r\n\r\nd9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"equipment_tags[0][brand]\"\r\n\r\nAcmeCorp\r\n-----011000010111000001101001--\r\n", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["{{tenant_key_name}}": "{{tenant_key_value1}}|{{tenant_key_value2}}"]
let parameters = [
  [
    "name": "title",
    "value": "How to Replace the Air Filter on Model X2000"
  ],
  [
    "name": "content",
    "value": "This article provides step-by-step instructions to replace the air filter on the Model X2000 equipment. Ensure the machine is powered off before starting."
  ],
  [
    "name": "updated_at",
    "value": "2024-06-01T10:15:30Z"
  ],
  [
    "name": "change_note",
    "value": "Updated instructions to include safety precautions and new filter part number."
  ],
  [
    "name": "article_type",
    "value": "installation_guide"
  ],
  [
    "name": "kb_category_id",
    "value": "a3f1c9d2-4b7e-4f8a-9c2d-1e2f3a4b5c6d"
  ],
  [
    "name": "location_ids[]",
    "value": "d9e8f7a6-b5c4-3d2e-1f0a-9b8c7d6e5f4a"
  ],
  [
    "name": "equipment_tags[0][brand]",
    "value": "AcmeCorp"
  ]
]

let boundary = "---011000010111000001101001"

var body = ""
var error: NSError? = nil
for param in parameters {
  let paramName = param["name"]!
  body += "--\(boundary)\r\n"
  body += "Content-Disposition:form-data; name=\"\(paramName)\""
  if let filename = param["fileName"] {
    let contentType = param["content-type"]!
    let fileContent = String(contentsOfFile: filename, encoding: String.Encoding.utf8)
    if (error != nil) {
      print(error as Any)
    }
    body += "; filename=\"\(filename)\"\r\n"
    body += "Content-Type: \(contentType)\r\n\r\n"
    body += fileContent
  } else if let paramValue = param["value"] {
    body += "\r\n\r\n\(paramValue)"
  }
}

let request = NSMutableURLRequest(url: NSURL(string: "https://https/knowledge-base/articles/%7Bkb_article_id%7D")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```