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 →
{
"name": "API Health Monitor",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 5
}
]
}
},
"id": "06-schedule-trigger",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
-720,
0
]
},
{
"parameters": {
"jsCode": "const endpoints = [{ name: 'Orders API', url: 'https://api.example.com/endpoint', expected: [200, 201, 202, 204] }, { name: 'Billing API', url: 'https://api.example.com/endpoint', expected: [200] }];\nreturn endpoints.map((endpoint) => ({ json: { ...endpoint, started_at: Date.now() } }));"
},
"id": "06-set-endpoint-list",
"name": "Set Endpoint List",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-480,
0
]
},
{
"parameters": {
"method": "GET",
"url": "={{$json.url}}",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "httpHeaderAuth",
"options": {
"timeout": 10000,
"response": {
"response": {
"fullResponse": true
}
}
}
},
"id": "06-http-request",
"name": "HTTP Request",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-240,
0
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"continueOnFail": true
},
{
"parameters": {
"jsCode": "const endpoint = $('Set Endpoint List').first().json;\nconst statusCode = Number($json.statusCode || $json.status || 0);\nconst healthy = endpoint.expected.includes(statusCode);\nreturn [{ json: { name: endpoint.name, url: endpoint.url, status_code: statusCode, status: healthy ? 'healthy' : 'unhealthy', expected: endpoint.expected, checked_at: new Date().toISOString(), raw: $json } }];"
},
"id": "06-status-code-check",
"name": "Status Code Check",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
0,
0
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, latency_ms: $json.raw?.headers?.['x-response-time-ms'] || null } }];"
},
"id": "06-latency-capture",
"name": "Latency Capture",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
240,
0
]
},
{
"parameters": {
"conditions": {
"string": [
{
"value1": "={{$json.status}}",
"operation": "equals",
"value2": "healthy"
}
]
}
},
"id": "06-success-branch",
"name": "Success Branch",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
480,
0
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, log_level: 'info' } }];"
},
"id": "06-log-success",
"name": "Log Success",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
720,
-120
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, log_level: 'warn', alert_candidate: true } }];"
},
"id": "06-failure-branch",
"name": "Failure Branch",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
720,
120
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, logged_at: new Date().toISOString() } }];"
},
"id": "06-log-result",
"name": "Log Result",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
960,
0
]
},
{
"parameters": {
"jsCode": "return [{ json: { ...$json, notification_note: 'Replace this node with an alert channel for unhealthy endpoints.' } }];"
},
"id": "06-optional-notification-placeholder",
"name": "Optional Notification Placeholder",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1200,
0
]
}
],
"connections": {
"Schedule Trigger": {
"main": [
[
{
"node": "Set Endpoint List",
"type": "main",
"index": 0
}
]
]
},
"Set Endpoint List": {
"main": [
[
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request": {
"main": [
[
{
"node": "Status Code Check",
"type": "main",
"index": 0
}
]
]
},
"Status Code Check": {
"main": [
[
{
"node": "Latency Capture",
"type": "main",
"index": 0
}
]
]
},
"Latency Capture": {
"main": [
[
{
"node": "Success Branch",
"type": "main",
"index": 0
}
]
]
},
"Success Branch": {
"main": [
[
{
"node": "Log Success",
"type": "main",
"index": 0
}
],
[
{
"node": "Failure Branch",
"type": "main",
"index": 0
}
]
]
},
"Log Success": {
"main": [
[
{
"node": "Log Result",
"type": "main",
"index": 0
}
]
]
},
"Failure Branch": {
"main": [
[
{
"node": "Log Result",
"type": "main",
"index": 0
}
]
]
},
"Log Result": {
"main": [
[
{
"node": "Optional Notification Placeholder",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"timezone": "UTC"
},
"versionId": "placeholder-06"
}
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.
httpHeaderAuth
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About this workflow
API Health Monitor. Uses httpRequest. Scheduled trigger; 10 nodes.
Source: https://github.com/gharisj3/n8n-workflow-library/blob/main/workflows/06-api-health-monitor/workflow.json — original creator credit. Request a take-down →
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