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Generate bilingual WordPress posts with OpenAI and WPML

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Created by: Davide Boizza || n3witalia
Davide Boizza

Last update

Last update a month ago

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Quick overview

This workflow generates an SEO-friendly blog post in Italian and English with OpenAI, publishes both versions to WordPress via the REST API, links them as WPML translations through a custom endpoint, generates a featured image, uploads it to the WordPress media library, and assigns it to both posts.

How it works

  1. Runs manually when you click “Test workflow” in n8n.
  2. Sets a topic prompt used to generate the article.
  3. Uses OpenAI to produce structured output containing an Italian and English title and HTML article content.
  4. Creates the Italian WordPress post and then creates the English WordPress post via the WordPress REST API.
  5. Calls a custom WordPress REST endpoint to link the two posts as WPML translations.
  6. Generates a realistic cover image with OpenAI, uploads it to the WordPress media library, and sets it as the featured image for both posts.

Setup

  1. Add OpenAI credentials for text generation (chat model) and image generation (gpt-image-1).
  2. Add WordPress API credentials and replace all instances of YOUR_URL with your WordPress site URL.
  3. Install and configure WPML with the it and en language codes (or update the workflow to match your site’s languages).
  4. Add the provided PHP code to your theme’s functions.php (or a custom plugin) to expose /wp-json/custom/v1/link-translation, and verify it is reachable.
  5. Replace YOUR_PROMPT with your desired topic prompt before running the workflow.

Additional info

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