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Lightroom cloud to Instagram auto poster (AI captions)

Automatically publish Lightroom photos to Instagram with short, human-sounding AI captions. This workflow pulls the next item from your Data Table queue, generates an on-brand caption from alt text + metadata, uploads...

DevelopmentCore NodesAILangchainSticky NoteData TableSortLimit
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Template notes

Automatically publish Lightroom photos to Instagram with short, human-sounding AI captions. This workflow pulls the next item from your Data Table queue, generates an on-brand caption from alt text + metadata, uploads via Instagram Graph API, and marks it posted. Use it together with “Lightroom Cloud → Photos Queue (AI Alt Text)” and “Lightroom Image Webhook (Direct JPEG for Instagram).”

What it’s for

Hands-free Lightroom-to-Instagram posting: schedule, caption with AI, and publish consistently using the Instagram Graph API.

Parameters to set

- Instagram Graph API access token and Instagram Business/Creator account ID - Posting schedule (cron/interval) + max posts per run - Data Table name & status fields (posted timestamp, IG media ID) - Caption rules: tone, max length, hashtags policy, CTA style - Image source URL: public endpoint of Workflow 2 (Lightroom Image Webhook)

Works best with

Workflow 1: [Lightroom Cloud → Photos Queue (AI Alt Text)](https://n8n.io/workflows/9692-automate-lightroom-to-instagram-with-claude-ai-alt-text-generator/)

Workflow 2: Lightroom Image Webhook (Direct JPEG for Instagram)