229 lines
7.7 KiB
JSON
229 lines
7.7 KiB
JSON
{
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"id": "YKZBEx4DTf0KGEBR",
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"meta": {
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"instanceId": "f5267db717c7383a3924a6083f6b9950be64cf36e2b4e9421d42eb2121922a14"
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},
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"name": "Image-Based Data Extraction API using Gemini AI",
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"tags": [],
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"nodes": [
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{
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"id": "e3448003-5c62-4da6-8fcc-6817915dcbb8",
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"name": "Webhook",
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"type": "n8n-nodes-base.webhook",
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"position": [
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40,
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40
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],
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"webhookId": "18118afb-7fd2-47a5-a474-50813c5b20c8",
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"parameters": {
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"path": "data-extractor",
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"options": {},
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"responseMode": "responseNode"
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},
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"typeVersion": 2
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},
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{
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"id": "3682c6bf-3442-4fba-ab6c-ae29e361ef93",
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"name": "Respond to Webhook",
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"type": "n8n-nodes-base.respondToWebhook",
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"position": [
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1180,
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40
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],
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"parameters": {
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"options": {}
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},
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"typeVersion": 1.1
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},
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{
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"id": "bfa352d0-68a9-4f33-be54-254a5df22664",
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"name": "Get image from URL",
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"type": "n8n-nodes-base.httpRequest",
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"position": [
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280,
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40
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],
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"parameters": {
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"url": "={{ $json.body.image_url }}",
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"options": {}
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},
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"typeVersion": 4.2
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},
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{
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"id": "c6c8de12-08dc-42e8-9c0e-86e04c7cacc0",
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"name": "Call Gemini API (Flash Lite) with Image",
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"type": "n8n-nodes-base.httpRequest",
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"position": [
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760,
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40
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],
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"parameters": {
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"url": "=https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-lite:generateContent",
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"method": "POST",
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"options": {},
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"jsonBody": "={\n \"contents\": [\n {\n \"role\": \"user\",\n \"parts\": [\n {\n \"inlineData\": {\n \"data\": \"{{$json.data1}}\",\n \"mimeType\": \"image/jpeg\"\n }\n }\n ]\n },\n {\n \"role\": \"user\",\n \"parts\": [\n {\n \"text\": \"check this\"\n }\n ]\n }\n ],\n \"systemInstruction\": {\n \"role\": \"user\",\n \"parts\": [\n {\n \"text\": \"{{ $('Webhook').first().json.body.Requirement}}\"\n }\n ]\n },\n \"generationConfig\": {\n \"temperature\": 1,\n \"topK\": 40,\n \"topP\": 0.95,\n \"maxOutputTokens\": 8192,\n \"responseMimeType\": \"application/json\",\n \"responseSchema\": {\n \"type\": \"object\",\n \"properties\": {{ $('Webhook').first().json.body.properties.toJsonString()}}\n }\n }\n}\n",
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"sendBody": true,
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"specifyBody": "json",
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"authentication": "predefinedCredentialType",
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"nodeCredentialType": "googlePalmApi"
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},
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"credentials": {
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"googlePalmApi": {
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"id": "MhMVz0OkKPSPX2Wn",
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"name": "Gemini API Srinivasan Online"
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}
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},
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"typeVersion": 4.2
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},
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{
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"id": "06b0f807-aeba-44d6-bb1d-dfa1d50e1082",
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"name": "Edit fields to output required data alone",
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"type": "n8n-nodes-base.set",
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"position": [
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980,
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40
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],
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"parameters": {
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"options": {},
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"assignments": {
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"assignments": [
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{
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"id": "4a2f1343-4b5d-4de8-b04b-5640e0a38d27",
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"name": "result",
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"type": "string",
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"value": "={{ $json.candidates[0].content.parts[0].text.parseJson()}}"
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}
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]
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}
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},
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"typeVersion": 3.4
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},
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{
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"id": "8c69dba2-f67c-4f8b-be18-02a414fd2ead",
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"name": "Sticky Note",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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20,
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280
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],
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"parameters": {
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"color": 5,
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"width": 820,
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"height": 420,
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"content": "## Sample API Call (cURL) \n```\ncurl --request GET \\\n --url https://your_domain.com/webhook/data-extractor \\\n --data '{\n \"image_url\":\"https://www.immihelp.com/nri/images/sample-pan-card-front.jpg\",\n \"Requirement\":\"extract the details from the image\",\n \"properties\": {\n \"PAN Number\": {\n \"type\": \"string\"\n },\n \"Name\": {\n \"type\": \"string\"\n },\n \"Date of Birth\": {\n \"type\": \"string\"\n },\n \"Valid\": {\n \"type\": \"boolean\"\n }\n }\n}'\n```"
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},
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"typeVersion": 1
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},
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{
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"id": "8839f0d7-306f-4dc2-aca5-6ca529e1a2ff",
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"name": "Sticky Note1",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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20,
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740
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],
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"parameters": {
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"color": 5,
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"width": 1240,
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"height": 140,
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"content": "## Sample Output\n```\n{\n \"result\": \"{\\\"Date of Birth\\\":\\\"23/11/1974\\\",\\\"Name\\\":\\\"RAHUL GUPTA\\\",\\\"PAN Number\\\":\\\"ABCDE1234F\\\",\\\"Valid\\\":true}\"\n}\n```"
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},
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"typeVersion": 1
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},
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{
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"id": "df733e11-f194-4878-a514-47ddc9811281",
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"name": "Sticky Note2",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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40,
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-520
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],
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"parameters": {
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"width": 940,
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"height": 440,
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"content": "## Convert the workflow into an Endpoint\n\nThis n8n workflow provides a ready-to-use API endpoint for extracting structured data from images. The API takes an image URL as input, processes it using an AI-powered OCR model, and returns relevant extracted details in a structured JSON format.\n\n- The workflow converts the image to base64 before processing.\n- It utilizes an AI-powered model (Gemini API) for text extraction.\n- The output is formatted to include only the required fields.\n- You can customize the extraction criteria by modifying the request parameters.\n- Supports integration with various applications for automated data entry and processing.\n\nIt can be used for various use cases, such as:\n\n- Document OCR (ID cards, invoices, receipts)\n- Text Extraction from Images\n- Automated Form Processing\n- Business Card Data Extraction\n\nSimply send a GET request with an image URL, define the extraction requirements, and receive structured JSON data in response.\n\n"
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},
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"typeVersion": 1
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},
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{
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"id": "aecf7331-6341-411e-8906-e42fc0ef264a",
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"name": "Transform image to base64",
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"type": "n8n-nodes-base.extractFromFile",
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"position": [
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520,
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40
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],
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"parameters": {
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"options": {
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"encoding": "ascii"
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},
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"operation": "binaryToPropery",
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"destinationKey": "data1"
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},
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"typeVersion": 1
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}
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],
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"active": true,
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"pinData": {},
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"settings": {
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"executionOrder": "v1"
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},
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"versionId": "b1fad586-998c-47ce-9921-e59527da029a",
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"connections": {
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"Webhook": {
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"main": [
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[
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{
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"node": "Get image from URL",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Get image from URL": {
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"main": [
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[
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{
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"node": "Transform image to base64",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Transform image to base64": {
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"main": [
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[
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{
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"node": "Call Gemini API (Flash Lite) with Image",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Call Gemini API (Flash Lite) with Image": {
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"main": [
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[
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{
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"node": "Edit fields to output required data alone",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Edit fields to output required data alone": {
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"main": [
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[
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{
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"node": "Respond to Webhook",
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"type": "main",
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"index": 0
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}
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]
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]
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}
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}
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} |