Postproxy Blog

Technical guides on social media API integration, multi-platform publishing, and automation workflows. Engineering notes from the team building Postproxy.

April 23, 2026
Making errors actually useful
Why Postproxy stopped translating platform errors and started propagating them raw, with hints when they need one.
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April 20, 2026
Salesforce went headless. Social media is next.
Salesforce Headless 360 turns the platform into APIs, MCP tools, and CLI commands. Postproxy runs the same pattern for social media publishing.
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April 13, 2026
BYOK Social Media APIs: The Hidden Cost
BYOK social media APIs are cheap upfront — but platform verification eats weeks per feature. Here's what the pricing doesn't tell you.
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April 2, 2026
Fix Instagram and Facebook Media Fetch
How to fix Instagram's 'media could not be fetched from this URI', 'only photo or video accepted', and Facebook's 403 robots.txt errors.
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April 1, 2026
How to Schedule Posts via API
Schedule social media posts via API using timed publishing and queue-based scheduling. Code examples for both approaches with Postproxy.
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March 31, 2026
Social Media Comments API: List, Reply & Hide
Manage Instagram, Facebook, and Threads comments programmatically — list, reply, delete, hide, and moderate with a single API.
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March 26, 2026
How to Build a Social Media SaaS Product
How to build a social media SaaS: multi-tenant data models, OAuth delegation, scheduled publishing, webhooks, and using a publishing API instead of eight.
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March 24, 2026
Social Media Aggregator API: Build a Feed
Build a social media aggregator API pulling feeds from Instagram, X, LinkedIn, TikTok, YouTube, and Facebook into one view, paired with publishing.
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March 19, 2026
Social Media Monitoring API: Brand Alerts
Build social media monitoring and brand listening via API: native search endpoints, the monitoring tool landscape, and closing the loop to automated publishing.
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March 17, 2026
Best MCP Servers in 2026: Developer Guide
The best MCP servers in 2026 across dev tools, databases, search, productivity, cloud, and social media — what each does and when to use it.
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March 13, 2026
Facebook Graph API Posting: Developer Guide
Guide to the Facebook Graph API for Page publishing — permissions, token lifecycle, posts, photos, videos, Reels, rate limits, and app review.
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March 13, 2026
Instagram Reels API Publishing Guide (2026)
Instagram Reels API: container creation, video specs, cover images, audio limits, and common errors. Step-by-step with Meta's Content Publishing API.
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