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": 88,
"name": "Check for valid Hubspot contact email",
"nodes": [
{
"name": "When contact created",
"type": "n8n-nodes-base.hubspotTrigger",
"position": [
540,
480
],
"parameters": {
"eventsUi": {
"eventValues": [
{}
]
},
"additionalFields": {}
},
"credentials": {
"hubspotDeveloperApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"name": "Get contact email address",
"type": "n8n-nodes-base.hubspot",
"position": [
720,
480
],
"parameters": {
"resource": "contact",
"contactId": "={{$json[\"contactId\"] ? 151 : 151}}",
"operation": "get",
"additionalFields": {
"properties": [
"email"
],
"propertyMode": "valueOnly"
}
},
"credentials": {
"hubspotApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"name": "validate the email",
"type": "n8n-nodes-base.oneSimpleApi",
"position": [
900,
480
],
"parameters": {
"resource": "utility",
"emailAddress": "={{$json[\"properties\"][\"email\"][\"value\"]}}"
},
"credentials": {
"oneSimpleApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"name": "If email is suspicious",
"type": "n8n-nodes-base.if",
"notes": "IF\ndeliverability is not good\nOR\nDomain is not valid\nOR\nEmail is Disposable",
"position": [
1080,
480
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{$json[\"deliverability\"]}}",
"value2": "GOOD",
"operation": "notEqual"
}
],
"boolean": [
{
"value1": "={{$json[\"is_domain_valid\"]}}"
},
{
"value1": "={{$json[\"is_email_disposable\"]}}",
"value2": true
}
]
},
"combineOperation": "any"
},
"typeVersion": 1
},
{
"name": "Send to Slack",
"type": "n8n-nodes-base.slack",
"position": [
1280,
460
],
"parameters": {
"text": "=:warning: New Contact with Suspicious Email :warning:\n*Name: * {{$node[\"Item Lists\"].json[\"contact\"][\"fields\"][\"core\"][\"firstname\"][\"normalizedValue\"]}} {{$node[\"Item Lists\"].json[\"contact\"][\"fields\"][\"core\"][\"lastname\"][\"normalizedValue\"]}}\n*Email: * {{$node[\"Item Lists\"].json[\"contact\"][\"fields\"][\"core\"][\"email\"][\"normalizedValue\"]}}\n*Creator: * {{$node[\"Item Lists\"].json[\"contact\"][\"createdByUser\"]}}",
"channel": "#hubspot-alerts",
"attachments": [],
"otherOptions": {}
},
"credentials": {
"slackApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
}
],
"active": false,
"settings": {},
"connections": {
"validate the email": {
"main": [
[
{
"node": "If email is suspicious",
"type": "main",
"index": 0
}
]
]
},
"When contact created": {
"main": [
[
{
"node": "Get contact email address",
"type": "main",
"index": 0
}
]
]
},
"If email is suspicious": {
"main": [
[
{
"node": "Send to Slack",
"type": "main",
"index": 0
}
]
]
},
"Get contact email address": {
"main": [
[
{
"node": "validate the email",
"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.
hubspotApihubspotDeveloperApioneSimpleApislackApi
About this workflow
Check for valid Hubspot contact email. Uses hubspotTrigger, hubspot, oneSimpleApi, slack. Event-driven trigger; 5 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →