Today we are launching BabyChain : a self-hosted canvas studio and durable chain API for image and video model workflows. The short version is this: BabyChain lets you design a ComfyUI-style media chain on a canvas, then call that same chain from product code as POST /api/v1/chains/runs . Every step executes through provider APIs with server-side credentials, every state transition persists to AWS Aurora , and Vercel functions stay stateless. The product has one invariant: every output becomes t