How to auto-post blog content to X, LinkedIn, and Threads
Practical recipe for automatically generating and publishing social posts whenever a new blog article goes live. Covers RSS polling, content formatting per platform, and link previews.
Postproxy Blog
Engineering notes, product updates, and automation playbooks from Postproxy.
Idempotent publishing: how to avoid duplicate social media posts
When retries and network failures happen, you can end up with duplicate posts. Cover idempotency strategies, deduplication keys, and how to design publishing systems that are safe to retry.
Publishing to Pinterest via API: A technical guide
Understanding OAuth, boards, pin creation, video uploads, and API endpoints for Pinterest content publishing.
Scheduling social media posts programmatically with cron and an API
The simplest possible automated publishing setup: a cron job that reads from a queue or database and calls a publishing API. A good entry point for developers new to social automation.
Social media publishing for headless CMS workflows
When an editor hits publish in Contentful, Sanity, or Strapi, automatically create social posts from the content. Covers webhook triggers, content extraction, and multi-platform distribution.
How to add social media publishing to your SaaS product
For product teams that want 'share to social' or automated publishing inside their app. Covers API design, account connection UX, and why embedding a unified API beats building integrations yourself.
Building an AI content pipeline: from generation to publishing
Architecture for a system where an LLM generates content, a human or rule-based system approves it, and Postproxy publishes it. Covers the full chain from prompt to live post.
A clean way to post to social media from n8n
A step-by-step walkthrough of building a complete content-to-publish pipeline in n8n using Postproxy.
How to publish video to every social platform via API
End-to-end guide covering encoding requirements, upload flows, processing status checks, and thumbnail options across all eight platforms. A single reference for video publishing.
Publishing carousel posts across Instagram, LinkedIn, and Threads via API
Each platform implements multi-image posts differently — containers, arrays, item IDs. Walk through the mechanics of each and how to normalize them in a single workflow.
Instagram Reels vs TikTok vs YouTube Shorts: publishing via API
Compare the API requirements for publishing short-form video across the three major platforms — aspect ratios, duration limits, thumbnail handling, and processing wait times.
OAuth flows for every social media platform compared
Side-by-side breakdown of OAuth implementations across all eight platforms — token lifetimes, refresh mechanics, required scopes, and common pitfalls.