Creating and updating an article from the API can be done by posting your article object to Supportbench.

The only difference between article creations and updates is including a article id within the article object.

When creating or updating a article , the below fields are available to you.

Name	Required	Limit	Default	Availability	Summary
id_prefix	no	5 characters	"AR"	New	The prefix of the article. You can assign new article prefix's within the API administration section.
id_source	no	25 characters		New	The source id of the article. You can assign custom ID's from existing systems or assign your own id.
id	no - when creating yes - when updating	30 characters		Update	The full article id including the prefix.
title	yes	250 characters		New / Update	The article title.
summary	no	250 characters		New / Update	The article summary.
content	no	Unlimited		New / Update	The article content as HTML.
published	no	Boolean	False	New / Update	The published state of the article. 0 = Internal, 1 = available to the community.
status_id	no	Integer	10	New / Update	The status of the article.
owner_id	no	Integer		New / Update	The agent who owns this article.
hot	no	Boolean	False	New / Update	Whether the article is a hot article or not and available within the case addition screen.
queue_id	no	Integer		New / Update	The queue this article is assigned to.
review_date	no	DateTime		New / Update	The date this article will expire and trigger the review action.
review_action	no	Integer	10	New / Update	The action that takes place once the article has expired.
category_id	no	Integer		New / Update	The related case category id of the article.
priority_id	no	Integer		New / Update	The related case priority id of the article.
issue_id	no	Integer		New / Update	The related case issue id of the article.
outcome_id	no	Integer		New / Update	The related case outcome id of the article.
tags	no	100 characters per tag		New / Update	A tag array assigned to the article. If updating, the tags defined here will overwrite any existing tags.
fields	no	See field object		New / Update	A field array of custom fields to insert or update. Please see the field object below.

Fields Object

Name	Required	Limit	Default	Summary
id	yes	Integer		The field id of the field you wish to update. The field id must map to a valid field in the article.
value	yes	Dropdown list - Integer Checkbox - Boolean Text box - Unlimited		The value of the custom field. The value is dependent on the field type.