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Generate multiple language blogpost with OpenAI, support Yoast & Polylang

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Created by: Khairul Muhtadin || khmuhtadin
Khairul Muhtadin

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Fresh multilingual blog drafts on autopilot. The blogblitz: polylang workflow creates and publishes high-quality articles with n8n, OpenAI GPT, and the WordPress API: SEO-friendly posts with metadata and featured images, in randomly picked languages for variety.

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Last updated: September 2026.

Why Use blogblitz?

  • Automate content creation to keep your blog fresh and engaging
  • Generate SEO-optimized posts with solid titles, meta descriptions, and focus keyphrases
  • Save hours of manual writing, image sourcing, and SEO configuration
  • Leverage AI for topic ideation and quality writing
  • Publish and manage drafts directly on your WordPress site via API
  • Produce featured images without external tools
  • Support multilingual content with randomized language selection for diversity

Who Is This For?

  • Content strategists managing WordPress blogs needing efficient topic generation
  • SEO specialists wanting automated post creation with optimized metadata
  • Website owners aiming to maintain active, multilingual content
  • Marketers who want AI help for consistent article production

What Problem Does It Solve?

This workflow automates the full editorial cycle: generating topics with AI, drafting full-length articles, producing featured images automatically, and posting SEO-configured drafts on WordPress. Less editor workload, more output.

What This Workflow Does

  1. Trigger
    • Runs on manual trigger or a weekly schedule to ensure consistent content flow
  2. Fetch Site Context
    • Retrieves recent posts, taxonomies, and WordPress API schema to understand site structure
  3. Generate Topic
    • Uses OpenAI GPT-4.1-mini to roll a random language and craft a targeted blog post topic + SEO metadata
  4. Draft Article
    • Composes a comprehensive, SEO-friendly article tailored to the generated topic
  5. Create Draft
    • Posts the draft on WordPress with Yoast SEO fields populated
  6. Generate Image
    • Creates a high-quality, cinematic featured image via AI
  7. Upload & Attach
    • Uploads the image to the WordPress media library and sets it as the post’s featured image

Setup Instructions

  1. Import the workflow file into n8n:

  2. Add credentials:

    • WordPress API (with create-post & media permissions, REST API docs)
    • OpenAI API key (for GPT and image models)

  3. Customize categories, languages, and schedule in the relevant nodes

  4. Adjust the Schedule Trigger timing as desired (e.g. every Monday at 9 AM)

  5. Test end-to-end on a staging WordPress site to verify drafts and images publish correctly

Pre-Requirements

  • An operational n8n instance (Cloud or self-hosted) (self-hosted or n8n cloud)
  • WordPress site with REST API access & proper authentication
  • OpenAI account with API access for both language and image models
  • (Optional) Yoast SEO plugin installed for metadata recognition

Customize It Further

  • Tweak OpenAI prompts for niche topics or additional languages
  • Add social-media nodes to auto-share new posts
  • Insert an editorial review step before publishing
  • Refine image prompts for different visual styles (e.g., “modern infographic” vs. “cinematic portrait”)

Nodes Used

  • Manual Trigger
  • Schedule Trigger (weekly)
  • HTTP Request (fetch posts, taxonomies, schema; upload media)
  • Code (JavaScript analyzers for API schema & taxonomy parsing)
  • OpenAI Chat (GPT-4.1-mini for topics & articles)
  • OpenAI Image Generation (for featured images)
  • WordPress (create draft post)
  • Sticky Notes (in-flow documentation)

Quick Answers

How often does it publish?
Weekly by default, plus manual trigger anytime. Adjust the Schedule Trigger freely.
Which languages are supported?
It rolls a random language per run for diversity. Languages are configurable in the nodes.
Does it fill Yoast SEO fields?
Yes. Drafts are posted with Yoast SEO fields populated.

Support

Made by: khmuhtadin
Tags: wordpress, marketing, polylang
Category: Content Creation

Need a custom? contact me on LinkedIn or Web

Additional info

Built with n8n. Need an assessment on your business? Feel free to reach out at https://khmuhtadin.com/consultation/