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Tamino Featured Image API

Custom WordPress REST API endpoint for assigning featured images programmatically. Designed for integration with n8n and automated content-publishing workflows.

by Willie Springer · github.com/tha-springer-dude/tamino-featured-image-api

★ 0stars

Install

Download source zip No release zip yet

This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.

Install straight from GitHub with WP-CLI:

wp plugin install https://github.com/tha-springer-dude/tamino-featured-image-api/archive/refs/heads/main.zip
No built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Readme github.com/tha-springer-dude/tamino-featured-image-api ↗

A custom WordPress plugin that exposes a REST API endpoint for programmatically assigning featured images to posts. Designed to integrate WordPress with external automation workflows, including n8n.

Features

  • Provides a custom WordPress REST API endpoint.
  • Assigns featured images to posts using their post ID.
  • Accepts an existing WordPress media attachment ID.
  • Uses a configurable fallback image if the supplied image ID is missing or invalid.
  • Validates post existence and image attachments.
  • Restricts access to authenticated users with the edit_posts capability.

API Endpoint

POST

/wp-json/ob/v1/set-featured-image

Parameters

Parameter Required Description
post_id Yes WordPress post ID
image_id No WordPress media attachment ID

Example Request

{
  "post_id": 1234,
  "image_id": 5678
}

Example Response

{
  "success": true,
  "post_id": 1234,
  "image_id": 5678
}

n8n Integration

Designed as part of an automated WordPress publishing workflow:

  1. n8n receives content through a webhook.
  2. A WordPress post is created.
  3. An HTTP Request node calls the custom featured image endpoint.
  4. The featured image is assigned automatically.
  5. The workflow continues with subsequent processing steps.

Technical Details

  • Platform: WordPress
  • Language: PHP
  • API: WordPress REST API
  • Integration: n8n / HTTP Request
  • HTTP Method: POST
  • Data Format: JSON

Author

Willie Springer

Part of the Tamino Travel automation and WordPress integration projects.