This workflow follows the Chainllm → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"nodes": [
{
"id": "0b64edf1-57e0-4704-b78c-c8ab2b91f74d",
"name": "When clicking \u2018Test workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
480,
300
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a875d1c5-ccfe-4bbf-b429-56a42b0ca778",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
1280,
720
],
"parameters": {
"options": {},
"modelName": "models/gemini-1.5-flash"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "a5e00543-dbaa-4e62-afb0-825ebefae3f3",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
1480,
720
],
"parameters": {
"jsonSchemaExample": "{\n\t\"caption_title\": \"\",\n\t\"caption_text\": \"\"\n}"
},
"typeVersion": 1.2
},
{
"id": "bb9af9c6-6c81-4e92-a29f-18ab3afbe327",
"name": "Get Info",
"type": "n8n-nodes-base.editImage",
"position": [
1100,
400
],
"parameters": {
"operation": "information"
},
"typeVersion": 1
},
{
"id": "8a0dbd5d-5886-484a-80a0-486f349a9856",
"name": "Resize For AI",
"type": "n8n-nodes-base.editImage",
"position": [
1100,
560
],
"parameters": {
"width": 512,
"height": 512,
"options": {},
"operation": "resize"
},
"typeVersion": 1
},
{
"id": "d29f254a-5fa3-46fa-b153-19dfd8e8c6a7",
"name": "Calculate Positioning",
"type": "n8n-nodes-base.code",
"position": [
2020,
720
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const { size, output } = $input.item.json;\n\nconst lineHeight = 35;\nconst fontSize = Math.round(size.height / lineHeight);\nconst maxLineLength = Math.round(size.width/fontSize) * 2;\nconst text = `\"${output.caption_title}\". ${output.caption_text}`;\nconst numLinesOccupied = Math.round(text.length / maxLineLength);\n\nconst verticalPadding = size.height * 0.02;\nconst horizontalPadding = size.width * 0.02;\nconst rectPosX = 0;\nconst rectPosY = size.height - (verticalPadding * 2.5) - (numLinesOccupied * fontSize);\nconst textPosX = horizontalPadding;\nconst textPosY = size.height - (numLinesOccupied * fontSize) - (verticalPadding/2);\n\nreturn {\n caption: {\n fontSize,\n maxLineLength,\n numLinesOccupied,\n rectPosX,\n rectPosY,\n textPosX,\n textPosY,\n verticalPadding,\n horizontalPadding,\n }\n}\n"
},
"typeVersion": 2
},
{
"id": "12a7f2d6-8684-48a5-aa41-40a8a4f98c79",
"name": "Apply Caption to Image",
"type": "n8n-nodes-base.editImage",
"position": [
2380,
560
],
"parameters": {
"options": {},
"operation": "multiStep",
"operations": {
"operations": [
{
"color": "=#0000008c",
"operation": "draw",
"endPositionX": "={{ $json.size.width }}",
"endPositionY": "={{ $json.size.height }}",
"startPositionX": "={{ $json.caption.rectPosX }}",
"startPositionY": "={{ $json.caption.rectPosY }}"
},
{
"font": "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf",
"text": "=\"{{ $json.output.caption_title }}\". {{ $json.output.caption_text }}",
"fontSize": "={{ $json.caption.fontSize }}",
"fontColor": "#FFFFFF",
"operation": "text",
"positionX": "={{ $json.caption.textPosX }}",
"positionY": "={{ $json.caption.textPosY }}",
"lineLength": "={{ $json.caption.maxLineLength }}"
}
]
}
},
"typeVersion": 1
},
{
"id": "4d569ec8-04c2-4d21-96e1-86543b26892d",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-120,
80
],
"parameters": {
"width": 423.75,
"height": 431.76353488372104,
"content": "## \uc2dc\ub3c4\ud574 \ubcf4\uc138\uc694!\n\n### \uc774 \uc6cc\ud06c\ud50c\ub85c\ub294 \uc774\ubbf8\uc9c0\ub97c \uac00\uc838\uc640 AI\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucea1\uc158\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. OpenAI \ub178\ub4dc\ub294 \uc624\ub7ab\ub3d9\uc548 \uc774 \uc791\uc5c5\uc744 \ud560 \uc218 \uc788\uc5c8\uc9c0\ub9cc, \uc774 \uc6cc\ud06c\ud50c\ub85c\ub294 Google\uc758 Gemini\uc640 \uac19\uc740 \ub2e4\ub978 \ub2e4\uc911 \ubaa8\ub2ec \ube44\uc804 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub3d9\uc77c\ud55c \uac83\uc744 \ub2ec\uc131\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\n\n\ub610\ud55c, Edit Image \ub178\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0dd\uc131\ub41c \ucea1\uc158\uc744 \uc774\ubbf8\uc9c0\uc5d0 \uc624\ubc84\ub808\uc774\ud560 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \ucd9c\ud310\ubb3c\uc5d0 \uc720\uc6a9\ud560 \uc218 \uc788\uac70\ub098 \uc800\uc791\uad8c \ubc0f/\ub610\ub294 \uc6cc\ud130\ub9c8\ud06c\ub97c \uc704\ud574 \uc7ac\uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n\n### \ub3c4\uc6c0\uc774 \ud544\uc694\ud558\uc2e0\uac00\uc694?\n[Discord](https://discord.com/invite/XPKeKXeB7d)\uc5d0 \uac00\uc785\ud558\uac70\ub098 [Forum](https://community.n8n.io/)\uc5d0\uc11c \ubb3c\uc5b4\ubcf4\uc138\uc694!"
},
"typeVersion": 1
},
{
"id": "45d37945-5a7a-42eb-8c8c-5940ea276072",
"name": "Merge Image & Caption",
"type": "n8n-nodes-base.merge",
"position": [
1620,
400
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3
},
{
"id": "53a26842-ad56-4c8d-a59d-4f6d3f9e2407",
"name": "Merge Caption & Positions",
"type": "n8n-nodes-base.merge",
"position": [
2200,
560
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3
},
{
"id": "b6c28913-b16a-4c59-aa49-47e9bb97f86d",
"name": "Get Image",
"type": "n8n-nodes-base.httpRequest",
"position": [
680,
300
],
"parameters": {
"url": "https://images.pexels.com/photos/1267338/pexels-photo-1267338.jpeg?auto=compress&cs=tinysrgb&w=600",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "6c25054d-8103-4be9-bea7-6c3dd47f49a3",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
340,
80
],
"parameters": {
"color": 7,
"width": 586.25,
"height": 486.25,
"content": "## 1. \uc774\ubbf8\uc9c0 \uac00\uc838\uc624\uae30\n\n[HTTP \uc694\uccad \ub178\ub4dc\uc5d0 \ub300\ud574 \ub354 \uc77d\uae30](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest)\n\n\uc774\ubc88 \ub370\ubaa8\ub97c \uc704\ud574, Pexels.com(\uc778\uae30 \uc788\ub294 \ubb34\ub8cc \uc2a4\ud1a1 \uc0ac\uc9c4 \uc0ac\uc774\ud2b8)\uc5d0\uc11c \uc774\ubbf8\uc9c0\ub97c \uac00\uc838\uc624\uae30 \uc704\ud574 HTTP \uc694\uccad \ub178\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc6b4\ub85c\ub4dc\ud558\uaca0\uc2b5\ub2c8\ub2e4.\n\n\uc790\uc2e0\uc758 \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0\uc11c, \uc774\uac83\uc740 \uc6f9\ud6c4\ud06c\uc640 \uac19\uc740 \ub2e4\ub978 \ud2b8\ub9ac\uac70\ub85c \ub300\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4."
},
"typeVersion": 1
},
{
"id": "d1b708e2-31c3-4cd1-a353-678bc33d4022",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
960,
140
],
"parameters": {
"color": 7,
"width": 888.75,
"height": 783.75,
"content": "## 2. \ube44\uc804 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucea1\uc158 \uc0dd\uc131\n\n[Basic LLM Chain\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uae30](https://docs.n8n.io/integrations/builtin/cluster-nodes/root-nodes/n8n-nodes-langchain.chainllm)\n\nn8n\uc758 \uae30\ubcf8 LLM \ub178\ub4dc\ub294 \ud638\ud658\ub418\ub294 LLM\uc5d0 \ubcf4\ub0bc \ubc14\uc774\ub108\ub9ac\ub098 \uc774\ubbf8\uc9c0 URL\uc744 \uc9c0\uc815\ud560 \uc218 \uc788\uac8c \ud558\uc5ec \ub2e4\uc911 \ubaa8\ub2ec \uc785\ub825\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774\ub294 \uc2dc\uac01\uc801 \ubd84\ub958\ub098 OCR \uc791\uc5c5\uc744 \uc774\uc804\uc5d0 \ub354 \uc804\uc6a9 OCR \ubaa8\ub378\uc5d0 \uc758\uc874\ud558\ub358 \uac83\uacfc \ub2ec\ub9ac \uc774 \uac15\ub825\ud55c \uae30\ub2a5\uc744 \uc27d\uac8c \ud65c\uc6a9\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.\n\n\uc5ec\uae30\uc11c, \uc6b0\ub9ac\ub294 \uc774\ubbf8\uc9c0 \ubc14\uc774\ub108\ub9ac\ub97c \"\uc0ac\uc6a9\uc790 \uba54\uc2dc\uc9c0\" \uc635\uc158\uc73c\ub85c \uac04\ub2e8\ud788 \uc804\ub2ec\ud558\uc5ec LLM\uc5d0\uac8c \uc8fc\uc5b4\uc9c4 \uc8fc\uc81c\uc5d0 \uc801\ud569\ud55c \ucea1\uc158 \uc81c\ubaa9\uacfc \ud14d\uc2a4\ud2b8\ub97c \uc0dd\uc131\ud558\ub3c4\ub85d \uc694\uccad\ud588\uc2b5\ub2c8\ub2e4. \uc0dd\uc131\ub41c \ud6c4, \uc774 \ud14d\uc2a4\ud2b8\ub97c \uc774\ubbf8\uc9c0\uc640 \ud568\uaed8 \uc804\ub2ec\ud558\uc5ec \ub458\uc744 \uacb0\ud569\ud560 \uac83\uc785\ub2c8\ub2e4."
},
"typeVersion": 1
},
{
"id": "36a39871-340f-4c44-90e6-74393b9be324",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1880,
280
],
"parameters": {
"color": 7,
"width": 753.75,
"height": 635,
"content": "## 3. \uc774\ubbf8\uc9c0\uc5d0 \ucea1\uc158 \uc624\ubc84\ub808\uc774\n\n[Edit Image \ub178\ub4dc\uc5d0 \ub300\ud574 \ub354 \uc54c\uc544\ubcf4\uae30](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.editimage)\n\n\ub9c8\uce68\ub0b4, \uc0dd\uc131\ub41c \ucea1\uc158\uc744 \uc774\ubbf8\uc9c0\uc5d0 \ubc30\uce58\ud558\uae30 \uc704\ud574 \uae30\ubcf8\uc801\uc778 \uacc4\uc0b0\uc744 \uc218\ud589\ud560 \uac83\uc785\ub2c8\ub2e4. n8n\uc758 \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \uc774\ubbf8\uc9c0 \ud3b8\uc9d1 \uae30\ub2a5 \ub355\ubd84\uc5d0, \uc774\ub294 \uc6cc\ud06c\ud50c\ub85c\uc6b0 \ub0b4\uc5d0\uc11c \uc644\uc804\ud788 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4!\n\nCode \ub178\ub4dc \ub3c4\uad6c\ub294 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uacc4\uc0b0\uc5d0 \uc774\uc0c1\uc801\uc774\uba70, \uc774 \uc608\uc81c\uc5d0\uc11c \ucea1\uc158\uc744 \uc774\ubbf8\uc9c0\uc758 \ud558\ub2e8\uc5d0 \uc704\uce58\uc2dc\ud0a4\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc624\ubc84\ub808\uc774\ub97c \ub9cc\ub4e4\uae30 \uc704\ud574, Edit Image \ub178\ub4dc\ub294 \uc774\ubbf8\uc9c0\uc5d0 \ud14d\uc2a4\ud2b8\ub97c \uc0bd\uc785\ud560 \uc218 \uc788\uac8c \ud574\uc8fc\uba70, \uc774\ub97c \ud1b5\ud574 \uc0dd\uc131\ub41c \ucea1\uc158\uc744 \ucd94\uac00\ud560 \uac83\uc785\ub2c8\ub2e4."
},
"typeVersion": 1
},
{
"id": "d175fe97-064e-41da-95fd-b15668c330c4",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
2660,
280
],
"parameters": {
"width": 563.75,
"height": 411.25,
"content": "\uadf8\ub9bc 1. AI \uc0dd\uc131 \ucea1\uc158\uc744 \uac00\uc9c4 \uc608\uc2dc \uc785\ub825 \uc774\ubbf8\uc9c0"
},
"typeVersion": 1
},
{
"id": "23db0c90-45b6-4b85-b017-a52ad5a9ad5b",
"name": "Image Captioning Agent",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1280,
560
],
"parameters": {
"text": "Generate a caption for this image.",
"messages": {
"messageValues": [
{
"message": "=You role is to provide an appropriate image caption for user provided images.\n\nThe individual components of a caption are as follows: who, when, where, context and miscellaneous. For a really good caption, follow this template: who + when + where + context + miscellaneous\n\nGive the caption a punny title."
},
{
"type": "HumanMessagePromptTemplate",
"messageType": "imageBinary"
}
]
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.4
}
],
"connections": {
"Get Info": {
"main": [
[
{
"node": "Merge Image & Caption",
"type": "main",
"index": 0
}
]
]
},
"Get Image": {
"main": [
[
{
"node": "Resize For AI",
"type": "main",
"index": 0
},
{
"node": "Get Info",
"type": "main",
"index": 0
}
]
]
},
"Resize For AI": {
"main": [
[
{
"node": "Image Captioning Agent",
"type": "main",
"index": 0
}
]
]
},
"Calculate Positioning": {
"main": [
[
{
"node": "Merge Caption & Positions",
"type": "main",
"index": 1
}
]
]
},
"Merge Image & Caption": {
"main": [
[
{
"node": "Calculate Positioning",
"type": "main",
"index": 0
},
{
"node": "Merge Caption & Positions",
"type": "main",
"index": 0
}
]
]
},
"Image Captioning Agent": {
"main": [
[
{
"node": "Merge Image & Caption",
"type": "main",
"index": 1
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "Image Captioning Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "Image Captioning Agent",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Merge Caption & Positions": {
"main": [
[
{
"node": "Apply Caption to Image",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Test workflow\u2019": {
"main": [
[
{
"node": "Get Image",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
googlePalmApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Workflow 2418. Uses lmChatGoogleGemini, outputParserStructured, editImage, httpRequest. Event-driven trigger; 16 nodes.
Source: https://github.com/n8nKOR/n8n-shared-workflow/blob/62a671327e906c22a40d290b339ff6d2373f8d75/workflows/n8n-workflows-by-Zie619/devops/2418_workflow_2418.json — original creator credit. Request a take-down →
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