{ "meta": { "templateCredsSetupCompleted": true }, "nodes": [ { "id": "b8c2ed8a-3ef6-403b-a608-a734e5e80e24", "name": "Webhook - Receive Form", "type": "n8n-nodes-base.webhook", "position": [ 2704, 464 ], "parameters": { "path": "Linkedin-update", "options": { "rawBody": true }, "httpMethod": "POST", "responseMode": "lastNode" }, "typeVersion": 1.1 }, { "id": "e290f1b0-ebb8-4758-a86c-2c7d266374ee", "name": "Webhook-LinkedIn-post", "type": "n8n-nodes-base.webhook", "position": [ 2720, 1056 ], "parameters": { "path": "d01e0a95-5a60-4c9f-9f4e-3e6ef694f402", "options": {}, "httpMethod": "POST", "responseMode": "responseNode" }, "typeVersion": 2.1 }, { "id": "3516b540-1740-4906-86a8-f23ac8081cde", "name": "Respond to Webhook", "type": "n8n-nodes-base.respondToWebhook", "position": [ 3168, 1056 ], "parameters": { "options": { "responseCode": 200, "responseHeaders": { "entries": [ { "name": "Access-Control-Allow-Origin", "value": "*" }, { "name": "Access-Control-Allow-Methods", "value": "POST, OPTIONS" }, { "name": "Access-Control-Allow-Headers", "value": "Content-Type" }, { "name": "Content-Type", "value": "application/json" } ] } }, "respondWith": "json", "responseBody": "{\n \"success\": true,\n \"message\": \"Post received and posted to LinkedIn\"\n}" }, "typeVersion": 1.4 }, { "id": "29bef038-9cbc-441f-a1e0-170133028784", "name": "Respond to Webhook2", "type": "n8n-nodes-base.respondToWebhook", "position": [ 3504, 336 ], "parameters": { "options": { "responseHeaders": { "entries": [ { "name": "Content-Type", "value": "application/json" }, { "name": "Access-Control-Allow-Origin", "value": "*" } ] } }, "respondWith": "json", "responseBody": "={{ JSON.stringify($json) }}" }, "typeVersion": 1 }, { "id": "c4b56266-794a-4ea7-9b0a-ec2657135d0b", "name": "Google Gemini Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini", "position": [ 2928, 736 ], "parameters": { "options": {} }, "credentials": { "googlePalmApi": { "name": "" } }, "typeVersion": 1 }, { "id": "b4243d36-854a-47d4-8085-1d0232317cc4", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ 2000, 192 ], "parameters": { "width": 592, "height": 1040, "content": "## Upload your quote and generate a LinkedIn AI post design with captions\n\n## Watch this tutorial\n@[youtube](T3zXQvoFB6A)\n\n## How it works\n- Upload your quote on the website\n- The webhook reads the data and generates an image and caption using Gemini AI\n- Respond to webhook sends the response to the website, and it's displayed on the page\n- Edit caption to taste and post to LinkedIn\n\n## Setup\n1. Set up HTML website - will attach below\n2. Replace the 2 webhooks in the HTML\n3. Add [Gemini](https://aistudio.google.com/) credential\n4. Add [LinkedIn](https://developer.linkedin.com/) credential\n\n## [Click to get the HTML website](https://drive.google.com/file/d/1JvViq-oNAdZosNOr7S5PfrxgbYcpK1Te/view) \n" }, "typeVersion": 1 }, { "id": "e1d7070a-4f4d-4f12-9a53-8a44094820bc", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ 2608, 208 ], "parameters": { "color": 7, "width": 1152, "height": 720, "content": "## 1. Retrieve the data from the website, generate a post image and caption, then send back the results to display on the website" }, "typeVersion": 1 }, { "id": "4331f83b-742b-40fb-9af7-bc122b00f9ca", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ 2608, 944 ], "parameters": { "color": 7, "width": 832, "height": 288, "content": "## 2. Webhook reads the data and posts to LinkedIn" }, "typeVersion": 1 }, { "id": "ee3370a5-71e2-4bce-8314-27e0f04af017", "name": "Generate post caption", "type": "@n8n/n8n-nodes-langchain.agent", "position": [ 2928, 576 ], "parameters": { "text": "=Write a LinkedIn post caption based on this text \"{{ $json.body.quote }}\", making it educative, informative, and engaging while keeping it concise at about 120 to 180 words. Use clear, professional, and natural language with a strong opening sentence that sparks curiosity, briefly explain why the idea matters in a business or professional context, and include one practical insight or takeaway. Avoid em dashes completely, do not use jargon, fluff, or overly technical explanations, maintain a confident but approachable tone, structure the caption in short paragraphs for readability, and end with a thoughtful closing line that encourages reflection without asking multiple questions. Output only the final caption with no extra commentary.", "options": {}, "promptType": "define" }, "typeVersion": 3.1 }, { "id": "c036d9f0-8527-4c53-a4ed-f3616c4a737d", "name": "Generate post image", "type": "@n8n/n8n-nodes-langchain.googleGemini", "position": [ 2976, 304 ], "parameters": { "prompt": "=Create a modern, minimal but visually fuller illustration inspired by this quote \"{{ $json.body.quote }}\". Generate a unique background color for every output, using rich but professional tones that are not overly bright. Design a concept-driven scene that clearly symbolizes the core message of the quote, with more visual depth through layered elements, soft shapes, subtle gradients, and balanced composition while avoiding clutter. Include a short, impactful quote derived from the text placed prominently in the design using Poppins font only, with clean, bold typography that is easy to read. Maintain a polished, high-quality flat design style suitable for LinkedIn, with strong visual hierarchy, good spacing, and a professional business aesthetic.", "modelId": { "__rl": true, "mode": "list", "value": "models/gemini-2.5-flash-image", "cachedResultName": "models/gemini-2.5-flash-image (Nano Banana)" }, "options": {}, "resource": "image" }, "credentials": { "googlePalmApi": { "name": "" } }, "typeVersion": 1.1 }, { "id": "4a7b177f-6fd2-4db8-8fca-472afc55114e", "name": "Convert binary to base64", "type": "n8n-nodes-base.extractFromFile", "position": [ 3264, 304 ], "parameters": { "options": {}, "operation": "binaryToPropery", "destinationKey": "image" }, "typeVersion": 1.1 }, { "id": "4efa8966-62d4-4159-b3f8-f8d4d5983bbb", "name": "Combine the branches", "type": "n8n-nodes-base.merge", "position": [ 3296, 560 ], "parameters": { "mode": "combine", "options": {}, "combineBy": "combineByPosition" }, "typeVersion": 3.2 }, { "id": "3c96ba5e-426f-4d2d-816e-6ec928da2df9", "name": "Set prompt and image", "type": "n8n-nodes-base.set", "position": [ 3536, 560 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "9cf7827d-55cd-439a-9d29-c471df686d01", "name": "image", "type": "string", "value": "={{ $json.image }}" }, { "id": "9a354897-5632-4fa0-9e35-af9557c8c8b6", "name": "output", "type": "string", "value": "={{ $json.output }}" } ] } }, "typeVersion": 3.4 }, { "id": "fb33329b-486f-472c-8d35-6b5e5dcc855c", "name": "Create Linkedin post", "type": "n8n-nodes-base.linkedIn", "position": [ 2944, 1056 ], "parameters": { "postAs": "organization", "additionalFields": {} }, "credentials": { "linkedInOAuth2Api": { "name": "" } }, "typeVersion": 1 } ], "connections": { "Generate post image": { "main": [ [ { "node": "Convert binary to base64", "type": "main", "index": 0 } ] ] }, "Combine the branches": { "main": [ [ { "node": "Set prompt and image", "type": "main", "index": 0 } ] ] }, "Create Linkedin post": { "main": [ [ { "node": "Respond to Webhook", "type": "main", "index": 0 } ] ] }, "Set prompt and image": { "main": [ [ { "node": "Respond to Webhook2", "type": "main", "index": 0 } ] ] }, "Generate post caption": { "main": [ [ { "node": "Combine the branches", "type": "main", "index": 1 } ] ] }, "Webhook-LinkedIn-post": { "main": [ [ { "node": "Create Linkedin post", "type": "main", "index": 0 } ] ] }, "Webhook - Receive Form": { "main": [ [ { "node": "Generate post image", "type": "main", "index": 0 }, { "node": "Generate post caption", "type": "main", "index": 0 } ] ] }, "Convert binary to base64": { "main": [ [ { "node": "Combine the branches", "type": "main", "index": 0 } ] ] }, "Google Gemini Chat Model": { "ai_languageModel": [ [ { "node": "Generate post caption", "type": "ai_languageModel", "index": 0 } ] ] } } }