Auto-Generate E-Commerce Promotional Carousels with n8n (Gemini 2.5 + Social Publishing)
Upload product image & description → AI generates 4 promo images (prompts target vertical 9:16) → auto-store & optionally publish to Instagram/TikTok/YouTube/Facebook
Read the case’s method and prerequisites
Requires an n8n instance. Prerequisites: sign up at fal.ai for API token (Gemini 2.5 Flash image generation); register at imgbb for API key (image hosting); configure OpenAI API key (copy generation); optionally register at upload-post.com and link an Instagram business account (auto-publishing). Credential types: httpHeaderAuth, openAiApi, googlePalmApi, uploadPostApi. Input: product image (JPG/PNG/WebP) + text description. Output: 4 promo image URLs (9:16 is a prompt target; the HTTP request sets no dimensions, so the ratio is not guaranteed) + social copy + optional multi-platform publish.
n8n · fal.ai · imgbb · upload-post.com
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