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 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)

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

Learn more & stay in the loop

Want the full story (decisions, trade-offs, and tips) behind this Lightroom Cloud → Instagram automation?
👉 Read the write-up on my blog: camilleroux.com

If you enjoy street & urban photography or you’re curious how I use these n8n workflows day-to-day:
👉 Follow my photo account on Instagram: @camillerouxphoto
👉 Follow me on other networks: links available on my site (X, Bluesky, Mastodon, Threads)

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Author:Camille Roux(View Original →)
Created:10/25/2025
Updated:11/20/2025

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