Generate short-form video scripts and render 9:16 clips with OpenAI and Creatomate

n8n · Marketing, Media · checked 2026-10-29

Brand hub

Quick overview This webhook-driven workflow generates short-form video scripts and publishing copy with OpenAI, runs a local copy/duration audit, and renders approved 9:16 videos via Creatomate, returning either a creative kit, an audit checklist, a render job ID, or a final video URL. How it works Receives a POST webhook request (header-authenticated) with an action of draft, audit, render, or status. Validates and sanitizes the request fields, enforcing limits and requiring explicit approval and rights confirmation before rendering. For draft requests, sends a prompt to the OpenAI Chat Completions API to generate two hooks, a 4-scene storyboard, voiceover, hashtags, and SEO metadata, then returns a validated publishing kit for YouTube/TikTok/Instagram. For audit requests, performs a deterministic local preflight to estimate duration and flag copy issues (for example length limits and exaggerated claims) and returns a checklist for human review.

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n8n
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Last checked 2026-10-29. Description source: harvest.