I wanted one thing: publish a post to every social network from a single call. It turned into a much bigger rabbit hole than I expected — and taught me more about the major platform APIs than I ever wanted to know.
This is the honest version of what I found, and the decisions that fell out of it. If you've ever thought "how hard can multi-platform posting be," this is for you.
The problem: nine platforms, nine completely different APIs
There's no shared standard for "post some text and an image." Each platform has its own auth, its own formats, its own limits, and — the part nobody warns you about — its own access gates. Here's the reality I mapped out:
Platform
