Postproxy Blog
Engineering notes, product updates, and automation playbooks from Postproxy.
Schedule Social Posts with Cron and an API
Schedule social media posts programmatically with cron and an API. The simplest automated publishing setup for developers new to social media automation.
Social Publishing for Headless CMS
Auto-publish social posts from your headless CMS. Trigger social media publishing from Contentful, Sanity, or Strapi via webhooks and a unified publishing API.
Add Social Publishing to Your SaaS (2026)
Add social media publishing to your SaaS: API design, account connection UX, multi-tenant auth, and why a unified publishing API beats building it yourself.
AI Content Pipeline: Generate to Publish
AI content pipeline architecture: LLM generates social posts, a review layer approves, and a publishing API delivers to every platform. Prompt to live post.
Publish Video to Every Platform via API
Publish video to every social platform via API — encoding, upload flows, processing checks, and thumbnails across all ten platforms in one reference.
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.
Carousel Posts via API: Instagram, LinkedIn
How to publish carousel posts via API across Instagram, LinkedIn, and Threads — each platform's container model and how to normalize them in one workflow.
Reels vs TikTok vs Shorts: Publishing APIs
Instagram Reels vs TikTok vs YouTube Shorts API comparison — aspect ratios, duration limits, thumbnail handling, and publishing requirements for each platform.
OAuth Flows for Social Platforms Compared
Side-by-side breakdown of OAuth implementations across all ten platforms — token lifetimes, refresh mechanics, required scopes, and common pitfalls.
Cross-Posting to Social Networks via API
How to publish the same content to X, Instagram, Facebook, LinkedIn, Threads, TikTok, and YouTube through their APIs — and what makes it harder than it looks.
Image & Video Uploads Across Social APIs
How each social media platform handles media uploads differently — chunked, container, resumable, pull-from-URL — and what it takes to support all of them.
X (Twitter) API Posting: 2026 Integration Guide
Understanding OAuth authentication, the chunked media upload flow, and API endpoints for posting to X.