Rully Saputra This workflow corresponds to n8n.io template #10925 — we link there as the canonical source.
This workflow follows the Gmail → Google Calendar 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 →
{
"id": "gwWgjyAVAw9YJmsV",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Price Monitoring",
"tags": [],
"nodes": [
{
"id": "000e8299-b381-49ec-9c93-97843713ad5b",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-672,
0
],
"parameters": {
"rule": {
"interval": [
{}
]
}
},
"typeVersion": 1.2
},
{
"id": "ad472c6b-7db7-441f-a8d9-8fbd86e710df",
"name": "Get row(s) in sheet",
"type": "n8n-nodes-base.googleSheets",
"position": [
-304,
0
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "",
"cachedResultName": "list urls"
},
"documentId": {
"__rl": true,
"mode": "url",
"value": ""
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "02d8bb3f-8fca-47b6-973f-7712f28bd688",
"name": "Decodo",
"type": "@decodo/n8n-nodes-decodo.decodo",
"position": [
256,
16
],
"parameters": {
"url": "={{ $json.url }}",
"operation": "amazon"
},
"credentials": {
"decodoApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "cf3113ce-4987-42f4-b0f1-2c929fbcd83f",
"name": "Calculate Price Changes",
"type": "n8n-nodes-base.code",
"position": [
512,
0
],
"parameters": {
"jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nconst diff = $input.first().json.results[0].content.results.price_upper - $('Loop Over Items').first().json['baseline price (usd)']\n\nconst diffPercentage = (diff / $('Loop Over Items').first().json['baseline price (usd)']) * 100\n\nreturn {\n price: $input.first().json.results[0].content.results.price_upper,\n baseline: $('Loop Over Items').first().json['baseline price (usd)'],\n diff,\n title: $input.first().json.results[0].content.results.title,\n diffPercentage: Math.ceil(diffPercentage),\n url: $input.first().json.results[0].content.results.url,\n \n}"
},
"typeVersion": 2
},
{
"id": "95640737-cf0b-492f-a59b-f309e37fa57b",
"name": "Price Routing",
"type": "n8n-nodes-base.switch",
"position": [
720,
-16
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "High",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "790f7683-114f-4ca0-ba7d-7ff3b0d1fb18",
"operator": {
"type": "number",
"operation": "gt"
},
"leftValue": "={{ $json.diffPercentage }}",
"rightValue": 10
}
]
},
"renameOutput": true
},
{
"outputKey": "Normal",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "0604d34f-29df-46f5-913d-7200d5e3f228",
"operator": {
"type": "number",
"operation": "gte"
},
"leftValue": "={{ $json.diffPercentage }}",
"rightValue": 0
}
]
},
"renameOutput": true
},
{
"outputKey": "Low",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "7b823d5a-e1fb-4532-aeaf-dd8365448c53",
"operator": {
"type": "number",
"operation": "lt"
},
"leftValue": "={{ $json.diffPercentage }}",
"rightValue": 0
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.3
},
{
"id": "88d8d706-e0a2-4a44-8241-2ad02d833530",
"name": "Set Meeting",
"type": "n8n-nodes-base.googleCalendar",
"position": [
1248,
-400
],
"parameters": {
"end": "={{ $now.plus(3, 'hour') }}",
"start": "={{ $now.plus(2, 'hour') }}",
"calendar": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": ""
},
"additionalFields": {
"summary": "=[IMPORTANT DISCUSSION] Price Increase {{ $('Calculate Price Changes').item.json.title }} ",
"attendees": [
"user@example.com",
"user@example.com"
],
"description": "=\ud83d\udea8 Price Increase Detected\nProduct: {{ $('Calculate Price Changes').item.json.title }}\nCurrent Price: USD {{ $('Calculate Price Changes').item.json.price }}\nNormal Price: USD {{ $('Calculate Price Changes').item.json.baseline }}\nPrice increased by +{{ $('Calculate Price Changes').item.json.diffPercentage }}%, which exceeds your alert threshold.\n\ud83d\udc49 Check details: {{ $('Calculate Price Changes').item.json.url }}\n"
}
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "2f9f3414-66fd-4234-ab2d-364958da72db",
"name": "Send Message to Top Management",
"type": "n8n-nodes-base.telegram",
"position": [
1008,
-400
],
"parameters": {
"text": "=\ud83d\udea8 Price Increase Detected\nProduct: {{ $json.title }}\nCurrent Price: USD {{ $json.price }}\nNormal Price: USD {{ $json.baseline }}\nPrice increased by +{{ $json.diffPercentage }}%, which exceeds your alert threshold.\n\ud83d\udc49 Check details: {{ $json.url }}\n",
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "cec20384-722f-435c-8b6c-cd63e6416935",
"name": "Email Stakeholders",
"type": "n8n-nodes-base.gmail",
"position": [
1104,
112
],
"parameters": {
"sendTo": "user@example.com",
"message": "=<!doctype html>\n<html>\n<head>\n <meta charset=\"utf-8\">\n <meta name=\"viewport\" content=\"width=device-width\">\n <title>Price Drop Alert</title>\n <style>\n /* Mobile friendly */\n @media only screen and (max-width: 600px) {\n .container { width: 100% !important; padding: 12px !important; }\n .content { padding: 18px !important; }\n .hero { font-size: 20px !important; }\n .price { font-size: 22px !important; }\n .btn { width: 100% !important; display: block !important; }\n }\n /* Button fallback for some clients */\n a[x-apple-data-detectors] { color: inherit !important; text-decoration: none !important; }\n </style>\n</head>\n<body style=\"margin:0; padding:0; background-color:#f4f6f8; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;\">\n <table role=\"presentation\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n <tr>\n <td align=\"center\" style=\"padding:24px 12px;\">\n <table role=\"presentation\" class=\"container\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" style=\"width:600px; max-width:600px; background: #ffffff; border-radius:12px; overflow:hidden; box-shadow:0 6px 18px rgba(15,23,42,0.08);\">\n \n <!-- Header -->\n <tr>\n <td style=\"background: linear-gradient(90deg,#2563eb 0%, #7c3aed 100%); padding:20px;\">\n <table role=\"presentation\" width=\"100%\">\n <tr>\n <td align=\"right\" style=\"color:#ffffff; font-weight:600; font-size:14px;\">\n Price Drop Alert\n </td>\n </tr>\n </table>\n </td>\n </tr>\n\n <!-- Body -->\n <tr>\n <td class=\"content\" style=\"padding:24px 32px; background:#ffffff;\">\n <h1 class=\"hero\" style=\"margin:0 0 12px 0; font-size:24px; color:#0f172a;\">\n \ud83c\udf89 Price decreased: <span style=\"color:#0ea5e9;\">{{ $('Calculate Price Changes').item.json.title }}</span>\n </h1>\n <p style=\"margin:0 0 18px 0; color:#475569; line-height:1.45;\">\n Good news \u2014 the price for <strong>{{ $('Calculate Price Changes').item.json.title }}</strong> has dropped. Below are the details from the latest check:\n </p>\n\n <!-- Price card -->\n <table role=\"presentation\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"margin:16px 0 20px 0; border-radius:8px; background:#f8fafc; border:1px solid #eef2ff;\">\n <tr>\n <td style=\"padding:16px;\">\n <table role=\"presentation\" width=\"100%\">\n <tr>\n <td style=\"vertical-align:middle; font-size:14px; color:#64748b;\">\n Baseline price\n </td>\n <td align=\"right\" style=\"font-weight:700; color:#334155;\">\n USD {{ $('Calculate Price Changes').item.json.baseline }}\n </td>\n </tr>\n <tr>\n <td style=\"padding-top:8px; font-size:14px; color:#64748b;\">\n Current price\n </td>\n <td align=\"right\" style=\"padding-top:8px; font-weight:800; font-size:20px; color:#0f172a;\">\n {{ $('Calculate Price Changes').item.json.price }}\n </td>\n </tr>\n <tr>\n <td style=\"padding-top:8px; font-size:14px; color:#64748b;\">\n Change\n </td>\n <td align=\"right\" style=\"padding-top:8px; font-weight:700; color:#059669;\">\n {{ $('Calculate Price Changes').item.json.diffPercentage }}% \u2193\n </td>\n </tr>\n </table>\n </td>\n </tr>\n </table>\n\n <!-- Recommendation -->\n <p style=\"margin:0 0 18px 0; color:#334155;\">\n Recommendation:\n </p>\n <!-- CTA -->\n <table role=\"presentation\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n <tr>\n <td align=\"center\">\n <a href=\"{{ $('Calculate Price Changes').item.json.url }}\" target=\"_blank\" class=\"btn\" style=\"background:#111827; color:#ffffff; text-decoration:none; padding:12px 20px; border-radius:8px; display:inline-block; font-weight:600;\">\n View product & buy now\n </a>\n </td>\n </tr>\n </table>\n\n </td>\n </tr>\n </table>\n </td>\n </tr>\n </table>\n</body>\n</html>\n",
"options": {},
"subject": "=Price Drop - {{ $('Calculate Price Changes').item.json.title }}"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "0d5d103d-c9ab-4bbc-ae7e-4a7dfba2cea9",
"name": "No Operation, do nothing",
"type": "n8n-nodes-base.noOp",
"position": [
1104,
-128
],
"parameters": {},
"typeVersion": 1
},
{
"id": "0bc1a6e8-1815-4707-bb6c-8e45862467f5",
"name": "Loop Over Items",
"type": "n8n-nodes-base.splitInBatches",
"position": [
16,
0
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "b02df9dd-cc1b-4c0a-9395-a9fdc55a1940",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
1520,
96
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "d6a657f0-779f-4b62-90ce-66d085f4733a",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-784,
-192
],
"parameters": {
"color": 7,
"width": 336,
"height": 464,
"content": "## Runs price checks on schedule\nTriggers the workflow at configured intervals. Keep interval conservative to avoid rate limits and align with business windows (e.g., 1\u20134 h). Use named schedule for traceability."
},
"typeVersion": 1
},
{
"id": "13d4ea19-ea75-425e-9ec1-e2ecb90e59e4",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-384,
-192
],
"parameters": {
"color": 7,
"width": 288,
"height": 464,
"content": "## Read product list + baseline prices\nPulls rows (URL, baseline price, threshold). Cache sheet ID and use ranges to minimize reads. Validate columns exist (url, baseline price (usd))."
},
"typeVersion": 1
},
{
"id": "5d0655cd-101e-41b0-afcb-8adbed688842",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
432,
-336
],
"parameters": {
"color": 7,
"width": 272,
"height": 528,
"content": "## Calculate diff & % change vs baseline \nComputes current price, baseline, difference and rounded percentage. Add defensive checks for missing baseline, zero baseline, or missing Decodo result to prevent exceptions.\n"
},
"typeVersion": 1
},
{
"id": "b4f51585-51ec-4d37-a439-7fc67d6d5ea6",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
944,
-656
],
"parameters": {
"color": 7,
"width": 496,
"height": 464,
"content": "## Alert top management for High increases\nSends urgent message to management chat when price jump > threshold. Keep copy concise, include product URL & absolute numbers. Consider adding UTM or tracking tag in URL.\n\nCreates a short meeting invite when route = High. Put clear agenda in description and required attendees. Use localized timezones and absolute timestamps."
},
"typeVersion": 1
},
{
"id": "8b1068c7-26a5-43bd-9576-16da07f85205",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
944,
304
],
"parameters": {
"color": 7,
"width": 496,
"height": 176,
"content": "## Email stakeholders on price drops\nSends rich HTML email for price decrease notifications. Optimize subject + preheader for scannability and add UTM-tagged CTA links. Test across clients for mobile."
},
"typeVersion": 1
},
{
"id": "66ef3afa-8c81-4ceb-b776-b14cca37b975",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
1552,
-64
],
"parameters": {
"color": 7,
"width": 224,
"height": 96,
"content": "### Adds a pause between flows to avoid API bursts."
},
"typeVersion": 1
},
{
"id": "c0d64f5d-7a87-4d11-9155-a3ce0eab6f3b",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1584,
-320
],
"parameters": {
"width": 672,
"height": 512,
"content": "## Automated price monitoring for Amazon products using Decodo\n\nThis workflow automates Amazon price tracking using Decodo to fetch real-time product data and compare it against your baseline prices. It\u2019s built for e-commerce teams and pricing analysts who need fast, accurate alerts for price increases or drops\u2014without manual monitoring.\n\n### How it works\n- Runs on a scheduled interval.\n- Reads product URLs + baseline prices from Google Sheets.\n- Uses Decodo to get current Amazon price, title, and product data.\n- Calculates price difference and percentage change.\n\n### How to set up\n- Connect Decodo, Google Sheets, Gmail, Google Calendar, and Telegram credentials.\n- Prepare a Google Sheet with columns: url, baseline price (usd).\n- Update schedule frequency and alert thresholds as needed.\n- Customize email/Telegram messaging if desired.\n- Run a test execution to verify everything functions correctly.\n"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "e4d99f6b-2d52-4dee-8f0d-bea520d55aa0",
"connections": {
"Wait": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Decodo": {
"main": [
[
{
"node": "Calculate Price Changes",
"type": "main",
"index": 0
}
]
]
},
"Set Meeting": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Price Routing": {
"main": [
[
{
"node": "Send Message to Top Management",
"type": "main",
"index": 0
}
],
[
{
"node": "No Operation, do nothing",
"type": "main",
"index": 0
}
],
[
{
"node": "Email Stakeholders",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[],
[
{
"node": "Decodo",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Get row(s) in sheet",
"type": "main",
"index": 0
}
]
]
},
"Email Stakeholders": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Get row(s) in sheet": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Calculate Price Changes": {
"main": [
[
{
"node": "Price Routing",
"type": "main",
"index": 0
}
]
]
},
"No Operation, do nothing": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Send Message to Top Management": {
"main": [
[
{
"node": "Set Meeting",
"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.
decodoApigmailOAuth2googleCalendarOAuth2ApigoogleSheetsOAuth2ApitelegramApi
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Source: https://n8n.io/workflows/10925/ — original creator credit. Request a take-down →
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