Generate marketing graphics with Adobe Firefly, Slack and Google Drive

Description

This workflow connects n8n to the Adobe Firefly API to automatically generate branded marketing graphics from plain text prompts. Submit a campaign brief and receive 4 production-ready creative asset variations for social media, banner ads, email headers, and campaigns — all generated in seconds with no designer required.

Adobe Firefly is Adobe's commercially safe generative AI model, trained exclusively on licensed Adobe Stock content. Every image produced is safe for commercial marketing use with zero copyright risk.

What's the Goal?
To fully automate creative asset production for marketing teams and agencies. Instead of waiting days for a designer or paying per-asset fees, this workflow generates on-brand visuals instantly from a campaign description.

Specific outcomes:
Generate 4 image variations per campaign in one API call
Auto-size assets for the target platform (Instagram, Facebook, LinkedIn, Google Ads)
Save the asset manifest to Google Drive for team access
Notify the creative team on Slack when assets are ready
Log every job for billing and brand compliance tracking

Why Does It Matter?
Marketing teams spend 30-40% of their time waiting on creative assets. Agencies bill 150-500 USD per graphic. Adobe Firefly changes this completely:

Commercially safe: trained on licensed Adobe Stock — zero IP risk
Brand consistent: style references and negative prompts keep every asset on-brand
Instant: 4 variations ready in under 30 seconds
Scalable: run for 1 or 1000 campaigns at the same cost per run
Profitable: agencies can offer AI creative packages at very high margin

How It Works
Step 1 — Webhook receives the campaign brief with brand, prompt, platform, style, and mood
Step 2 — Set node stores Adobe credentials and normalizes all input fields
Step 3 — Code node builds 4 optimized Firefly prompt variations with brand voice and platform dimensions
Step 4 — HTTP Request calls Adobe Firefly v3 text-to-image API to generate all 4 variants
Step 5 — Code node parses the response, extracts all image URLs, and builds the delivery package
Step 6 — HTTP Request saves the full asset manifest JSON to Google Drive
Step 7 — HTTP Request posts a Slack notification with all image links and job metadata
Step 8 — Respond node returns the complete asset package as JSON to the caller

Configuration Requirements
ADOBE_CLIENT_ID — Adobe Developer Console project client ID
ADOBE_CLIENT_SECRET — Adobe Developer Console project client secret
ADOBE_ORG_ID — Your Adobe organization ID
SLACK_WEBHOOK_URL — Incoming webhook for creative team notifications
GOOGLE_DRIVE_FOLDER_ID — Folder where asset manifests are saved
GOOGLE_OAUTH_TOKEN — Google Drive upload token

Setup Guide
Step 1: Go to developer.adobe.com and create a new project
Step 2: Enable the Firefly API service in your Adobe Developer project
Step 3: Copy your Client ID, Client Secret, and Org ID from the project credentials page
Step 4: Open the Set Adobe Credentials node and paste all three values
Step 5: Set your SLACK_WEBHOOK_URL and GOOGLE_DRIVE_FOLDER_ID in the same node
Step 6: Activate the workflow
Step 7: POST to /webhook/firefly-graphics with your campaign payload

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