Postproxy Blog
Engineering notes, product updates, and automation playbooks from Postproxy.
Instagram Reels API Publishing Guide (2026)
Instagram Reels API only: REELS media_type, container creation, video specs (9:16, 90s, MP4), cover_url, audio limits, share_to_feed, and common error codes. For general Instagram publishing see the Graph API guide.
X (Twitter) API Pricing in 2026: All Tiers
X API pricing in 2026 — pay-per-use, Basic, Pro and Enterprise tiers, plus how to get an X API key and which credentials can actually publish.
YouTube Upload API: Videos & Shorts (2026)
Upload videos and Shorts to YouTube via API: OAuth setup, resumable uploads, quota limits, and code examples in Python and Node.js.
PostProxy is Stripe for social media posting
Stripe abstracted away payment infrastructure complexity. PostProxy does the same for social media publishing — one API, every platform, no OAuth nightmares.
Postproxy: Supabase for Social Publishing
Supabase gave developers backend building blocks to stop reinventing infrastructure. Postproxy does the same for social media — composable API primitives.
Ayrshare vs Postproxy: API Comparison
Ayrshare vs Postproxy compared: pricing, platform coverage, API design, multi-tenant support, and failure handling for developers building social media tools.
Post to Threads via API: Developer Guide (2026)
Meta Threads API developer guide: publish posts programmatically, container model, reply chains, OAuth scopes, rate limits, and official documentation map for 2026.
Social Media Analytics API: Pull Post Stats
Pull social media analytics via API: engagement metrics from Instagram, X, LinkedIn, TikTok, and YouTube — what each platform exposes and how to normalize it.
White-Label Social Media via Publishing APIs
White label social media management via API: profile isolation, branded OAuth, scheduling UIs, and the architecture for agencies to resell social publishing.
Social Media API Rules: Limits & Specs (2026)
Rate limits, media specs, text limits, and auth quirks for every major social media API in one reference. Updated for 2026.
Automate TikTok Posting at Scale
What breaks when you automate TikTok posting across multiple accounts — token expiry, daily limits, content moderation, and scaling the Content Posting API.
LinkedIn API: Automate Company Page Posts (2026)
LinkedIn Post API guide for company pages: /rest/posts payloads, OAuth scopes, image and video uploads, Linkedin-Version header, approval gates, and rate limits.