WordPress - Get Categories and Tags

Description

This module allows querying the categories and tags of a WordPress site. It is useful for getting the IDs needed when creating or updating posts.

Configuration

Credentials

Field	Description	Example
url	WordPress site base URL	https://my-site.com
username	WordPress username	admin
application_password	Application password generated in WordPress	xxxx xxxx xxxx xxxx

Parameters

Field	Type	Required	Description
credentials_id	credentials	Yes	WordPress credential
taxonomy	select	No	Categories or Tags. Default: Categories
term_id	text	No	Specific ID. If empty, lists all
search	text	No	Search term
per_page	number	No	Results per query (1-100). Default: 100
hide_empty	boolean	No	Hide categories without posts

Output

{
  "success": true,
  "terms": [
    {
      "id": 3,
      "name": "Technology",
      "slug": "technology",
      "description": "Technology articles",
      "count": 15,
      "parent": 0
    }
  ],
  "taxonomy": "categories",
  "total": 8
}

Usage Example

List all categories

{}

Search category by name

{
  "search": "technology"
}

Get tags with posts

{
  "taxonomy": "tags",
  "hide_empty": true
}

API Used

• Categories Endpoint: GET /wp-json/wp/v2/categories
• Tags Endpoint: GET /wp-json/wp/v2/tags
• Documentation: WordPress REST API - Categories

Notes

• Category/tag IDs are used in the Create/Update Post nodes.
• Categories have hierarchy (parent field), tags do not.
• By default returns up to 100 results to facilitate selection.

Related Nodes

• WordpressCreatePost - Create post assigning categories and tags
• WordpressUpdatePost - Update post categories
• WordpressGetPosts - Get posts filtered by category