Oneclick AI Squad This workflow corresponds to n8n.io template #6747 — we link there as the canonical source.
This workflow follows the Google Sheets → 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 →
{
"id": "pc2HHg8DLhcpoMg5",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Automated API Uptime Monitoring with Instant Downtime Alerts",
"tags": [],
"nodes": [
{
"id": "6050fae8-e86d-481f-bcf5-98461f796b5f",
"name": "Read API List",
"type": "n8n-nodes-base.googleSheets",
"position": [
-2640,
260
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1VKlDZSHicdZhhj-fl-vIIH0mC6VDwdCS4-LqaDIeyw0/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1VKlDZSHicdZhhj-fl-vIIH0mC6VDwdCS4-LqaDIeyw0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1VKlDZSHicdZhhj-fl-vIIH0mC6VDwdCS4-LqaDIeyw0/edit?usp=drivesdk",
"cachedResultName": "URL For Status Check"
},
"combineFilters": "AND"
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "68940a15-d216-4366-8673-71b71305084d",
"name": "Init Retry Counter",
"type": "n8n-nodes-base.code",
"position": [
-2200,
185
],
"parameters": {
"jsCode": "// Initialize retry counter for each API\nconst apiData = $json;\nif (!apiData.retryCount) {\n apiData.retryCount = 0;\n}\nreturn apiData;"
},
"typeVersion": 2
},
{
"id": "06b0731a-81c3-449f-b302-0e9f5e2f9b0d",
"name": "Test API",
"type": "n8n-nodes-base.httpRequest",
"position": [
-1980,
185
],
"parameters": {
"url": "={{ $json.url }}",
"method": "={{ $json.method }}",
"options": {
"timeout": 10000
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"typeVersion": 4.2,
"continueOnFail": true
},
{
"id": "f4450c0b-48fe-40d2-9b68-c54b12980a01",
"name": "Check Response",
"type": "n8n-nodes-base.code",
"position": [
-1760,
185
],
"parameters": {
"jsCode": "// Check if API responded\nconst response = $json;\nconst apiData = $('Init Retry Counter').first().json;\n\nlet hasResponse = response && typeof response === 'object' && Object.keys(response).length > 0;\n\nreturn {\n ...apiData,\n hasResponse: hasResponse\n};"
},
"typeVersion": 2
},
{
"id": "886d69dd-e847-4cf7-badb-5d5a02e8cfcd",
"name": "If No Response",
"type": "n8n-nodes-base.if",
"position": [
-1540,
185
],
"parameters": {
"options": {
"looseTypeValidation": true
},
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "no-response",
"operator": {
"type": "boolean",
"operation": "true"
},
"leftValue": "={{ $json.hasResponse }}",
"rightValue": "=false"
}
]
}
},
"typeVersion": 2
},
{
"id": "be9792e7-be19-47e3-9621-613f1cc8d611",
"name": "Wait 10 Min",
"type": "n8n-nodes-base.wait",
"position": [
-1320,
110
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "4fdd9d39-af72-42d7-9d81-0e878920709b",
"name": "Increment Retry",
"type": "n8n-nodes-base.code",
"position": [
-1100,
35
],
"parameters": {
"jsCode": "// Increment retry count\nconst data = $json;\ndata.retryCount = (data.retryCount || 0) + 1;\nreturn data;"
},
"typeVersion": 2
},
{
"id": "c71871bb-7416-4a58-b5b6-d0c326856c62",
"name": "Retry API",
"type": "n8n-nodes-base.httpRequest",
"position": [
-880,
35
],
"parameters": {
"url": "={{ $json.url }}",
"method": "={{ $json.method }}",
"options": {
"timeout": 10000
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"typeVersion": 4.2,
"continueOnFail": true
},
{
"id": "5567bff2-495e-4b96-adbc-9d5aa290398a",
"name": "Check Retry Response",
"type": "n8n-nodes-base.code",
"position": [
-660,
35
],
"parameters": {
"jsCode": "// Check retry response\nconst response = $json;\nconst apiData = $('Increment Retry').first().json;\n\nlet hasResponse = response && typeof response === 'object' && Object.keys(response).length > 0;\n\nreturn {\n ...apiData,\n hasResponse: hasResponse\n};"
},
"typeVersion": 2
},
{
"id": "56590da0-6e35-430b-b380-066322cdb528",
"name": "If Still No Response",
"type": "n8n-nodes-base.if",
"position": [
-440,
35
],
"parameters": {
"options": {
"looseTypeValidation": true
},
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "still-no-response",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.expectedStatusCode === null || $json.expectedStatusCode === undefined || $json.expectedStatusCode === '' }}",
"rightValue": "=false"
}
]
}
},
"typeVersion": 2
},
{
"id": "1c206215-fe56-48f6-87f0-e1875e664d80",
"name": "Format Down Alert",
"type": "n8n-nodes-base.code",
"position": [
0,
-40
],
"parameters": {
"jsCode": "// Create down alert message\nconst api = $json;\n\nconst alertMessage = `\ud83d\udea8 API DOWN ALERT\\n\\n\ud83d\udccb ${api.name}\\n\ud83c\udf10 ${api.url}\\n\u23f0 ${new Date().toISOString()}`;\n\nreturn {\n ...api,\n alertMessage: alertMessage\n};"
},
"typeVersion": 2
},
{
"id": "96024d21-5201-4629-9eef-547c49994d4f",
"name": "Send WhatsApp Alert",
"type": "n8n-nodes-base.whatsApp",
"position": [
220,
-40
],
"parameters": {
"textBody": "={{ $json.alertMessage }}",
"operation": "send",
"phoneNumberId": "550325331503475",
"additionalFields": {},
"recipientPhoneNumber": "+1234567890"
},
"credentials": {
"whatsAppApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "42753397-1223-4fc5-8df0-a340a64fc731",
"name": "Continue Next API",
"type": "n8n-nodes-base.code",
"position": [
440,
260
],
"parameters": {
"jsCode": "// Continue to next API\nconst data = $json;\nif (data.hasResponse) {\n data.retryCount = 0;\n}\nreturn data;"
},
"typeVersion": 2
},
{
"id": "1f5c7218-68d3-4878-a238-36ca0ad31764",
"name": "Process Each API1",
"type": "n8n-nodes-base.splitInBatches",
"position": [
-2420,
260
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "0b1af6a3-bf8e-4398-917e-f2526449ad6b",
"name": "If Still No Retry > 4",
"type": "n8n-nodes-base.if",
"position": [
-220,
-40
],
"parameters": {
"options": {
"looseTypeValidation": true
},
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "still-no-response",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.retryCount >= 4}}",
"rightValue": "=false"
}
]
}
},
"typeVersion": 2
},
{
"id": "d2bb51d4-2ace-4a9c-8a7c-25c588de3063",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-2860,
260
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 15
}
]
}
},
"typeVersion": 1.1
},
{
"id": "3fda8d5d-5311-4804-afef-4ec25ed3c92f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2420,
-340
],
"parameters": {
"color": 4,
"width": 1220,
"height": 340,
"content": "## How It Works\n* **Schedule Trigger** \u2192 Triggers every 15 minutes.\n* **Read API List** \u2192 Fetches all API URLs from a Google Sheet.\n* **Process Each API1** \u2192 Loops through each API entry.\n* **Init Retry Counter** \u2192 Initializes `retryCount = 0`.\n* **Test API** \u2192 Sends the first request to the API.\n* **Check Response** \u2192 Checks if a valid response was received.\n* **If No Response** \u2192 Branches into retry flow if down.\n* **Wait 10 Min \u2192 Increment Retry \u2192 Retry API \u2192 Check Retry Response** \u2192 Wait and retry API call once.\n* **If Still No Response** \u2192 Verifies if retry also failed.\n* **If Still No Retry > 4** \u2192 Checks if retry limit is reached (\u2265 4).\n* **Format Down Alert** \u2192 Formats the WhatsApp alert with API details.\n* **Send WhatsApp Alert** \u2192 Sends API down alert to configured number.\n* **Continue Next API** \u2192 Moves to the next API in the list."
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "2eee3704-de38-4436-9d22-57252c0ff118",
"connections": {
"Test API": {
"main": [
[
{
"node": "Check Response",
"type": "main",
"index": 0
}
]
]
},
"Retry API": {
"main": [
[
{
"node": "Check Retry Response",
"type": "main",
"index": 0
}
]
]
},
"Wait 10 Min": {
"main": [
[
{
"node": "Increment Retry",
"type": "main",
"index": 0
}
]
]
},
"Read API List": {
"main": [
[
{
"node": "Process Each API1",
"type": "main",
"index": 0
}
]
]
},
"Check Response": {
"main": [
[
{
"node": "If No Response",
"type": "main",
"index": 0
}
]
]
},
"If No Response": {
"main": [
[
{
"node": "Wait 10 Min",
"type": "main",
"index": 0
}
],
[
{
"node": "Continue Next API",
"type": "main",
"index": 0
}
]
]
},
"Increment Retry": {
"main": [
[
{
"node": "Retry API",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Read API List",
"type": "main",
"index": 0
}
]
]
},
"Continue Next API": {
"main": [
[
{
"node": "Process Each API1",
"type": "main",
"index": 0
}
]
]
},
"Format Down Alert": {
"main": [
[
{
"node": "Send WhatsApp Alert",
"type": "main",
"index": 0
}
]
]
},
"Process Each API1": {
"main": [
[],
[
{
"node": "Init Retry Counter",
"type": "main",
"index": 0
}
]
]
},
"Init Retry Counter": {
"main": [
[
{
"node": "Test API",
"type": "main",
"index": 0
}
]
]
},
"Send WhatsApp Alert": {
"main": [
[
{
"node": "Continue Next API",
"type": "main",
"index": 0
}
]
]
},
"Check Retry Response": {
"main": [
[
{
"node": "If Still No Response",
"type": "main",
"index": 0
}
]
]
},
"If Still No Response": {
"main": [
[
{
"node": "If Still No Retry > 4",
"type": "main",
"index": 0
}
],
[
{
"node": "Continue Next API",
"type": "main",
"index": 0
}
]
]
},
"If Still No Retry > 4": {
"main": [
[
{
"node": "Format Down Alert",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait 10 Min",
"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.
googleSheetsOAuth2ApiwhatsAppApi
Pro
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About this workflow
This automated n8n workflow monitors API uptime by periodically checking API availability and sending instant WhatsApp alerts if any service goes down. It retrieves API details from a Google Sheet and includes retry logic for failed requests. Checks API status every 15 minutes…
Source: https://n8n.io/workflows/6747/ — original creator credit. Request a take-down →
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