{"product_id":"n8n-instagram-auto-posting-google-drive-gemini-vision-captions","title":"n8n Instagram Auto-Posting: Google Drive + Gemini Vision Captions","description":"\u003ch3\u003eAutomatically post Instagram updates from your Google Drive—powered by Google Gemini Vision captions\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow automatically picks an image from a Google Drive folder every 3 days, uses \u003cstrong\u003eGoogle Gemini Vision\u003c\/strong\u003e to generate a ready-to-publish Instagram caption, and publishes the post to your \u003cstrong\u003eInstagram Business Account\u003c\/strong\u003e via the \u003cstrong\u003eInstagram Graph API\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSchedules posting\u003c\/strong\u003e with a scheduled trigger to run every 3 days at \u003cstrong\u003e19:30\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eSets key configuration values for your Instagram presence, including the \u003cstrong\u003eInstagram Business Account ID\u003c\/strong\u003e, \u003cstrong\u003eCTA link\u003c\/strong\u003e, and \u003cstrong\u003ebrand context\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSearches a specified Google Drive folder\u003c\/strong\u003e for an image and downloads the file.\u003c\/li\u003e\n  \u003cli\u003eSends the image to \u003cstrong\u003eGoogle Gemini Vision\u003c\/strong\u003e to generate a \u003cstrong\u003eformatted Instagram caption\u003c\/strong\u003e, returned as JSON.\u003c\/li\u003e\n  \u003cli\u003eUses the \u003cstrong\u003eFacebook\/Instagram Graph API\u003c\/strong\u003e to:\n    \u003cul\u003e\n      \u003cli\u003ecreate an Instagram media container using the image URL and the generated caption\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003epublish\u003c\/strong\u003e the container to your Instagram Business account\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAgencies and SaaS operators who want \u003cstrong\u003ehands-off Instagram content publishing\u003c\/strong\u003e from a centralized asset folder.\u003c\/li\u003e\n  \u003cli\u003eTeams that pre-collect images in Google Drive and want Gemini Vision to produce \u003cstrong\u003ecaption drafts\u003c\/strong\u003e consistently with brand context.\u003c\/li\u003e\n  \u003cli\u003eContent workflows where media is managed in Google Drive but publishing is handled through \u003cstrong\u003en8n automation\u003c\/strong\u003e and the Instagram Graph API.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003en8n nodes\/stack:\u003c\/strong\u003e schedule trigger, Google Drive, HTTP request, and Google Gemini Vision (via n8n-nodes-langchain “Google Gemini”).\u003c\/li\u003e\n  \u003cli\u003eGraph API calls for \u003cstrong\u003ecreate-container\u003c\/strong\u003e and \u003cstrong\u003epublish\u003c\/strong\u003e steps for Instagram media.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetup requirements:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eAdd \u003cstrong\u003eGoogle Drive OAuth2 credentials\u003c\/strong\u003e and update the Drive \u003cstrong\u003efolder ID\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003cli\u003eAdd a \u003cstrong\u003eGoogle Gemini API key\u003c\/strong\u003e in the Gemini node credentials.\u003c\/li\u003e\n      \u003cli\u003eAdd a \u003cstrong\u003eFacebook Graph API credential\u003c\/strong\u003e with permission to publish Instagram content (e.g., \u003ccode\u003einstagram_content_publish\u003c\/code\u003e) and connect it to the correct Instagram Business account.\u003c\/li\u003e\n      \u003cli\u003eUpdate the placeholder \u003cstrong\u003eInstagram Business Account ID\u003c\/strong\u003e, plus \u003cstrong\u003eCTA link\u003c\/strong\u003e and \u003cstrong\u003ebrand context\u003c\/strong\u003e in the Config step.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45741425459379,"sku":"N8N-17588","price":78.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/zeLg-tU8Swd19fsGYAqmA_9BQpDzs5.png?v=1785316479","url":"https:\/\/buyflowscripts.com\/products\/n8n-instagram-auto-posting-google-drive-gemini-vision-captions","provider":"N8N Commerce","version":"1.0","type":"link"}