Țugui Dragoș This workflow corresponds to n8n.io template #8130 — we link there as the canonical source.
This workflow follows the HTTP Request → Slack 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": "ADc81sc252y5DJQo",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Service Health Monitor with Retry V010925",
"tags": [
{
"id": "2BC0mR6o9mZfw0Ry",
"name": "uptime",
"createdAt": "2025-09-01T17:36:33.786Z",
"updatedAt": "2025-09-01T17:36:33.786Z"
},
{
"id": "5slqRjZCJR1hy0fc",
"name": "monitoring",
"createdAt": "2025-09-01T17:36:27.812Z",
"updatedAt": "2025-09-01T17:36:27.812Z"
},
{
"id": "7ASMGI4lVr4Eo8rL",
"name": "tuguidragos.com",
"createdAt": "2025-08-23T19:10:40.177Z",
"updatedAt": "2025-08-23T19:10:40.177Z"
},
{
"id": "KBQZBD4R6LVuuFK2",
"name": "slack-alerts",
"createdAt": "2025-09-01T16:14:22.027Z",
"updatedAt": "2025-09-01T16:14:22.027Z"
},
{
"id": "NtEM4qJBPpIvfcPu",
"name": "automation",
"createdAt": "2025-08-31T21:12:32.130Z",
"updatedAt": "2025-08-31T21:12:32.130Z"
},
{
"id": "vvwl4Tq3LGKxOPea",
"name": "error-handling",
"createdAt": "2025-09-01T17:36:40.590Z",
"updatedAt": "2025-09-01T17:36:40.590Z"
}
],
"nodes": [
{
"id": "2a8de1f3-4823-47e4-a1c9-e5210bad1788",
"name": "Check Interval",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
0,
-368
],
"parameters": {
"rule": {
"interval": [
{
"triggerAtHour": 9
}
]
}
},
"typeVersion": 1.2
},
{
"id": "5b0eb832-e1c3-4270-a891-8db5b07def07",
"name": "First Check",
"type": "n8n-nodes-base.httpRequest",
"position": [
224,
-368
],
"parameters": {
"url": "https://httpbin.org/status/400",
"options": {
"response": {
"response": {
"neverError": true,
"fullResponse": true
}
}
}
},
"typeVersion": 4.2,
"alwaysOutputData": false
},
{
"id": "6613ec70-0e0b-40b3-85fa-161d2bb2d870",
"name": "Check Status",
"type": "n8n-nodes-base.if",
"position": [
448,
-368
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "f6ccb555-8951-40a1-bc0f-918731354227",
"operator": {
"type": "number",
"operation": "lte"
},
"leftValue": "={{ $json[\"statusCode\"] }}",
"rightValue": 400
}
]
}
},
"typeVersion": 2.2
},
{
"id": "35dbf021-4513-4557-a6d5-d99a460bc988",
"name": "Recheck Delay",
"type": "n8n-nodes-base.wait",
"position": [
672,
-368
],
"parameters": {
"amount": 30
},
"typeVersion": 1.1
},
{
"id": "5c80525f-87fa-44e2-9368-16bc7200b5a5",
"name": "Second Check",
"type": "n8n-nodes-base.httpRequest",
"position": [
896,
-368
],
"parameters": {
"url": "https://httpbin.org/status/400",
"options": {
"response": {
"response": {
"neverError": true,
"fullResponse": true
}
}
}
},
"typeVersion": 4.2,
"alwaysOutputData": false
},
{
"id": "c76666d2-9cf1-4e62-86e4-6c22ec562716",
"name": "Confirm Failure",
"type": "n8n-nodes-base.if",
"position": [
1120,
-368
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "f6ccb555-8951-40a1-bc0f-918731354227",
"operator": {
"type": "number",
"operation": "lte"
},
"leftValue": "={{ $json[\"statusCode\"] }}",
"rightValue": 400
}
]
}
},
"typeVersion": 2.2
},
{
"id": "792f2a3b-32b0-4b9e-b057-0b93cece27b6",
"name": "Send Alert to Slack",
"type": "n8n-nodes-base.slack",
"position": [
1344,
-368
],
"parameters": {
"text": "=\ud83d\udea8 URGENT: Service check failed twice in a row! \n Status: {{$json[\"statusCode\"]}}\n Message: {{$json[\"statusMessage\"]}} \n Time: {{$json[\"headers\"][\"date\"]}}",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "id",
"value": "ID"
},
"otherOptions": {
"includeLinkToWorkflow": false
}
},
"credentials": {
"slackApi": {
"name": "<your credential>"
}
},
"typeVersion": 2.3
},
{
"id": "20879940-5317-49a8-bbb7-c47924bf0e5f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
-560
],
"parameters": {
"color": 5,
"width": 432,
"height": 144,
"content": "### How it works\n- Runs scheduled HTTP health checks \n- Waits and retries before confirming a failure \n- Sends Slack alerts only if the service fails twice in a row \n- Prevents false positives and reduces alert fatigue "
},
"typeVersion": 1
},
{
"id": "c2536e52-55cc-495c-846e-f6d2154e25cc",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-16,
-192
],
"parameters": {
"color": 5,
"width": 464,
"height": 144,
"content": "### Setup steps\n1. Add your service URL(s) in the HTTP Request node \n2. Configure your Slack Bot Token in the Send Alert to Slack node \n3. Set the interval for checks in the Check Interval node \n4. Save & activate the workflow to start monitoring "
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "6a1bea4d-fca8-4f7d-95c9-fe7b31ba3f52",
"connections": {
"First Check": {
"main": [
[
{
"node": "Check Status",
"type": "main",
"index": 0
}
]
]
},
"Check Status": {
"main": [
[
{
"node": "Recheck Delay",
"type": "main",
"index": 0
}
]
]
},
"Second Check": {
"main": [
[
{
"node": "Confirm Failure",
"type": "main",
"index": 0
}
]
]
},
"Recheck Delay": {
"main": [
[
{
"node": "Second Check",
"type": "main",
"index": 0
}
]
]
},
"Check Interval": {
"main": [
[
{
"node": "First Check",
"type": "main",
"index": 0
}
]
]
},
"Confirm Failure": {
"main": [
[
{
"node": "Send Alert to Slack",
"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.
slackApi
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About this workflow
This workflow checks the health of your web services or APIs on a schedule, prevents false alerts with a second verification, and sends confirmed failure alerts directly to Slack. Performs scheduled HTTP health checks Waits and retries before confirming failure Sends alerts only…
Source: https://n8n.io/workflows/8130/ — original creator credit. Request a take-down →
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