The workflow JSON
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{
"name": "High Risk Transaction Workflow",
"nodes": [
{
"parameters": {
"path": "high-risk-action",
"responseMode": "responseNode",
"options": {}
},
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
250,
300
]
},
{
"parameters": {
"functionCode": "// Extract transaction data\nconst transaction = items[0].json;\n\n// Log the HIGH RISK transaction\nconsole.log('\u26a0\ufe0f HIGH RISK TRANSACTION DETECTED:', transaction.transactionId);\nconsole.log('Amount:', transaction.amount);\nconsole.log('Reason:', transaction.riskReason);\n\n// Prepare hold response\nreturn [\n {\n json: {\n transactionId: transaction.transactionId,\n riskLevel: 'HIGH',\n actionTaken: 'HOLD',\n success: true,\n message: 'Transaction held for security review',\n executedBy: 'n8n-high-risk-workflow',\n timestamp: new Date().toISOString(),\n alertPriority: 'URGENT',\n requiresManualReview: true\n }\n }\n];"
},
"name": "Process High Risk",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
470,
300
]
},
{
"parameters": {
"functionCode": "// Alert fraud team\nconst data = items[0].json;\n\nconst fraudAlert = {\n alertType: 'HIGH_RISK_TRANSACTION',\n transactionId: data.transactionId,\n priority: 'URGENT',\n message: `High risk transaction detected - ${data.transactionId}`,\n alertedAt: new Date().toISOString(),\n fraudTeamNotified: true\n};\n\nconsole.log('\ud83d\udea8 FRAUD TEAM ALERT:', JSON.stringify(fraudAlert, null, 2));\n\nreturn [\n {\n json: {\n ...data,\n ...fraudAlert\n }\n }\n];"
},
"name": "Alert Fraud Team",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
690,
200
]
},
{
"parameters": {
"functionCode": "// Hold transaction\nconst data = items[0].json;\n\nconsole.log(`Transaction ${data.transactionId} has been HELD`);\nconsole.log('Status changed to: ON_HOLD');\nconsole.log('Awaiting fraud team review');\n\nreturn [\n {\n json: {\n ...data,\n transactionStatus: 'HELD',\n heldAt: new Date().toISOString(),\n holdReason: 'High risk score detected',\n awaitingReview: true\n }\n }\n];"
},
"name": "Hold Transaction",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
690,
400
]
},
{
"parameters": {
"functionCode": "// Notify customer\nconst data = items[0].json;\n\nconst customerNotification = {\n notificationType: 'TRANSACTION_HELD',\n message: 'Your transaction is under security review. We will contact you shortly.',\n sentToEmail: data.customerEmail || 'customer@email.com',\n sentToPhone: data.customerPhone || '+91-XXXXXXXXXX',\n notifiedAt: new Date().toISOString()\n};\n\nconsole.log('\ud83d\udce7 Customer notification sent:', customerNotification);\n\nreturn [\n {\n json: {\n ...data,\n ...customerNotification\n }\n }\n];"
},
"name": "Notify Customer",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
910,
300
]
},
{
"parameters": {
"conditions": {
"number": [
{
"value1": "={{$json[\"amount\"]}}",
"operation": "largerEqual",
"value2": 100000
}
]
}
},
"name": "Check if Critical",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
1130,
300
]
},
{
"parameters": {
"functionCode": "// Trigger account freeze for critical amounts\nconst data = items[0].json;\n\nconsole.log('\ud83d\udd12 CRITICAL TRANSACTION - Freezing account temporarily');\n\nreturn [\n {\n json: {\n ...data,\n actionTaken: 'FREEZE',\n accountFrozen: true,\n frozenAt: new Date().toISOString(),\n freezeReason: 'Critical high-risk transaction detected'\n }\n }\n];"
},
"name": "Freeze Account",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
1350,
200
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{$json}}",
"options": {}
},
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
1570,
300
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Process High Risk",
"type": "main",
"index": 0
}
]
]
},
"Process High Risk": {
"main": [
[
{
"node": "Alert Fraud Team",
"type": "main",
"index": 0
},
{
"node": "Hold Transaction",
"type": "main",
"index": 0
}
]
]
},
"Alert Fraud Team": {
"main": [
[
{
"node": "Notify Customer",
"type": "main",
"index": 0
}
]
]
},
"Hold Transaction": {
"main": [
[
{
"node": "Notify Customer",
"type": "main",
"index": 0
}
]
]
},
"Notify Customer": {
"main": [
[
{
"node": "Check if Critical",
"type": "main",
"index": 0
}
]
]
},
"Check if Critical": {
"main": [
[
{
"node": "Freeze Account",
"type": "main",
"index": 0
}
],
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Freeze Account": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {},
"id": "high-risk-workflow-001"
}
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About this workflow
High Risk Transaction Workflow. Uses respondToWebhook. Webhook trigger; 8 nodes.
Source: https://github.com/phani123-hub/bank_risk_orchestor/blob/ac411e0fc4b84dd71bab695f4739f20129444d39/n8n-workflows/high-risk-workflow.json — original creator credit. Request a take-down →
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