Matheus Pedrosa This workflow corresponds to n8n.io template #7076 — we link there as the canonical source.
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": "7gbO6txgnBCmDw7c",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Send n8n failed execution alerts to a Slack channel",
"tags": [],
"nodes": [
{
"id": "45a1993e-1a89-4077-b258-75c8d4e74bbb",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
900,
460
],
"parameters": {
"rule": {
"interval": [
{
"field": "hours"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "3491cecc-6ffc-4798-a5f4-a6230408010b",
"name": "GetWorkflows",
"type": "n8n-nodes-base.n8n",
"position": [
1360,
460
],
"parameters": {
"filters": {
"activeWorkflows": true
},
"requestOptions": {}
},
"credentials": {
"n8nApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "4f10d86d-1410-45c6-892a-e113fd4cb2b3",
"name": "Loop",
"type": "n8n-nodes-base.splitInBatches",
"position": [
1580,
460
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "b06a9bcb-4fc6-488c-bb3e-7cf1f81547ca",
"name": "n8n",
"type": "n8n-nodes-base.n8n",
"position": [
1780,
520
],
"parameters": {
"limit": 1,
"filters": {
"status": "error",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.id }}"
}
},
"options": {
"activeWorkflows": false
},
"resource": "execution",
"requestOptions": {}
},
"credentials": {
"n8nApi": {
"name": "<your credential>"
}
},
"typeVersion": 1,
"alwaysOutputData": true
},
{
"id": "9012633d-3dcd-4bf5-9645-b90e51129a35",
"name": "Aggregate",
"type": "n8n-nodes-base.aggregate",
"position": [
2000,
520
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData"
},
"typeVersion": 1
},
{
"id": "fd91c759-7ee6-45d8-96dd-91eabeb38796",
"name": "MakeMessage",
"type": "n8n-nodes-base.code",
"position": [
1780,
360
],
"parameters": {
"jsCode": "const list = $input.all().map(item => item.json);\nconsole.log(list)\nlet blocks = [];\n\nfor (const item of list) {\n if(item.qtdErrors > 0){\n console.log(item)\n blocks.push({\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": `:aviso: *${item.workflowName}*\\n *${item.qtdErrors}* errors found in the last run`\n\t\t\t},\n\t\t\t\"accessory\": {\n\t\t\t\t\"type\": \"button\",\n\t\t\t\t\"text\": {\n\t\t\t\t\t\"type\": \"plain_text\",\n\t\t\t\t\t\"text\": \"Vizualize\",\n\t\t\t\t\t\"emoji\": true\n\t\t\t\t},\n\t\t\t\t\"value\": \"click_me_123\",\n\t\t\t\t\"url\": `${item.url}`,\n\t\t\t\t\"action_id\": \"button-action\"\n\t\t\t}\n\t\t})\n }\n}\n\nif(blocks.length > 0){\n return {\n blocks: blocks\n };\n}else{\n return null\n}\n"
},
"typeVersion": 2
},
{
"id": "51db21fc-6bf1-4652-944f-a00f15f492b5",
"name": "FilterLastHour",
"type": "n8n-nodes-base.code",
"position": [
2220,
520
],
"parameters": {
"jsCode": "const list = $(\"Aggregate\").last().json.data;\n\nconst lastHour = new Date();\nlastHour.setHours(lastHour.getHours() - 1);\n\n\nconst executionsLastHour = list.filter(execution => {\n const dataStoppedAt = new Date(execution.stoppedAt);\n\n return dataStoppedAt > lastHour;\n});\n\nif (executionsLastHour.length > 0) {\n console.log(`Foram encontrados ${executionsLastHour.length} itens da \u00faltima hora.`);\n} else {\n console.log(\"Nenhum item da \u00faltima hora foi encontrado.\");\n}\n\nreturn {\n workflowId: $(\"Loop\").last().json.id,\n workflowName: $(\"Loop\").last().json.name,\n qtdErrors: executionsLastHour.length,\n url: $(\"Config\").last().json.urlBase + $(\"Loop\").last().json.id\n}"
},
"typeVersion": 2
},
{
"id": "93684cff-609d-4b10-b375-d01724f03a42",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
900,
240
],
"parameters": {
"width": 360,
"height": 200,
"content": "## Slack - Errors last 60 minutes\n\nThis workflow's objective is to monitor for errors and notify via Slack which workflows had failed executions in the last hour, providing a simple table with the ID, name, and error count.\n\nLinkedin: https://www.linkedin.com/in/matheus-pedrosa-custodio/"
},
"typeVersion": 1
},
{
"id": "c11de8c2-1478-49ff-93a8-9cfeacb58507",
"name": "Slack",
"type": "n8n-nodes-base.slack",
"position": [
2000,
360
],
"parameters": {
"text": "=",
"user": {
"__rl": true,
"mode": "list",
"value": "U05FMSA2610",
"cachedResultName": "matheus.custodio"
},
"select": "user",
"blocksUi": "={{ $json }}",
"messageType": "block",
"otherOptions": {},
"authentication": "oAuth2"
},
"credentials": {
"slackOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 2.2
},
{
"id": "28c56721-55d9-448a-8311-57413b0deb84",
"name": "Config",
"type": "n8n-nodes-base.set",
"position": [
1140,
460
],
"parameters": {
"mode": "raw",
"options": {},
"jsonOutput": "{\n \"urlBase\": \"https://n8n.com/workflow/\"\n}\n"
},
"typeVersion": 3.4
}
],
"active": false,
"settings": {
"timezone": "America/Sao_Paulo",
"callerPolicy": "workflowsFromSameOwner",
"executionOrder": "v1",
"executionTimeout": -1,
"saveManualExecutions": true
},
"versionId": "b71a7834-6b2b-46df-8c1e-911d15b7a3c3",
"connections": {
"n8n": {
"main": [
[
{
"node": "Aggregate",
"type": "main",
"index": 0
}
]
]
},
"Loop": {
"main": [
[
{
"node": "MakeMessage",
"type": "main",
"index": 0
}
],
[
{
"node": "n8n",
"type": "main",
"index": 0
}
]
]
},
"Config": {
"main": [
[
{
"node": "GetWorkflows",
"type": "main",
"index": 0
}
]
]
},
"Aggregate": {
"main": [
[
{
"node": "FilterLastHour",
"type": "main",
"index": 0
}
]
]
},
"MakeMessage": {
"main": [
[
{
"node": "Slack",
"type": "main",
"index": 0
}
]
]
},
"GetWorkflows": {
"main": [
[
{
"node": "Loop",
"type": "main",
"index": 0
}
]
]
},
"FilterLastHour": {
"main": [
[
{
"node": "Loop",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Config",
"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.
n8nApislackOAuth2Api
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About this workflow
This template is ideal for n8n instance administrators, developers, and DevOps teams who need a proactive and organized way to monitor the health of their automations. If you want to be notified about failures as soon as they happen, without having to manually check execution…
Source: https://n8n.io/workflows/7076/ — original creator credit. Request a take-down →
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