Campaign Monitor email verification with BillionVerify
Campaign Monitor is a professional email marketing platform trusted by thousands of businesses for designing and sending branded campaigns. Integrating BillionVerify into your Campaign Monitor workflows ensures every subscriber on your list is a real, reachable address before a single email goes out.
Why verify before the send
Campaign Monitor enforces strict bounce and complaint thresholds. Exceeding them risks account suspension and diminished deliverability. BillionVerify validates addresses before they enter your Campaign Monitor lists, catching invalid addresses, disposable emails, role accounts, and risky catch-all domains—protecting both your account standing and your sender reputation.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Campaign Monitor sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in Campaign Monitor + BillionVerify",
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
240,
300
],
"name": "When clicking ‘Test workflow’"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "email-field",
"name": "email",
"value": "jane@example.com",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
460,
300
],
"name": "Get contacts"
},
{
"parameters": {
"sendTo": "={{ $json.email }}",
"subject": "Message for Campaign Monitor contacts",
"message": "Replace this Gmail send with your Campaign Monitor node — only deliverable, verified contacts reach it.",
"options": {}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
900,
300
],
"name": "Send email",
"webhookId": "",
"credentials": {
"gmailOAuth2": {
"id": "",
"name": "Gmail account"
}
}
},
{
"parameters": {
"operation": "verify",
"email": "={{ $json.email }}",
"additionalOptions": {}
},
"type": "n8n-nodes-billionverify.billionVerify",
"typeVersion": 1,
"position": [
540,
300
],
"name": "Verify Email (BillionVerify)",
"credentials": {
"billionVerifyApi": {
"id": "",
"name": "BillionVerify account"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "is-deliverable",
"leftValue": "={{ $json.is_deliverable }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
]
}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
720,
300
],
"name": "IF deliverable"
}
],
"connections": {
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "Get contacts",
"type": "main",
"index": 0
}
]
]
},
"Get contacts": {
"main": [
[
{
"node": "Verify Email (BillionVerify)",
"type": "main",
"index": 0
}
]
]
},
"Verify Email (BillionVerify)": {
"main": [
[
{
"node": "IF deliverable",
"type": "main",
"index": 0
}
]
]
},
"IF deliverable": {
"main": [
[
{
"node": "Send email",
"type": "main",
"index": 0
}
],
[]
]
}
},
"settings": {
"executionOrder": "v1"
}
}Workflow templates with Campaign Monitor
Ready-to-use workflows that verify emails before Campaign Monitor sends.
How it works
- 1
Connect BillionVerify to your Campaign Monitor stack via the n8n community node, Integrately's 1-click setup, or the REST API.
- 2
Intercept new subscriber emails from your sign-up forms or CRM imports before they reach Campaign Monitor.
- 3
BillionVerify checks each address against SMTP, DNS, disposability databases, and catch-all detection.
- 4
Subscribers passing verification are added to your Campaign Monitor list; others are filtered or flagged.
- 5
Monitor verification statistics over time to identify high-risk acquisition channels and improve list quality upstream.
When to use this
Verify new subscribers at the source
When a visitor submits a sign-up form destined for Campaign Monitor, intercept the address with BillionVerify first. Only valid, non-disposable addresses proceed to your list, keeping import quality high from the start.
Bulk-clean existing lists before campaigns
Before scheduling a major send in Campaign Monitor, run your subscriber segment through BillionVerify's bulk endpoint to identify and suppress addresses likely to bounce or mark as spam.
Protect transactional and automated emails
Campaign Monitor automation journeys triggered by user actions benefit from pre-verified contacts. Verify addresses when they first enter your CRM or data pipeline so every automated email hits a valid inbox.
FAQ
Will verifying emails reduce my Campaign Monitor bounce rate?
Yes. Removing invalid and high-risk addresses before sending directly reduces hard bounces, which is the primary driver of bounce rate problems that threaten Campaign Monitor account health.
Can I verify addresses already inside Campaign Monitor?
BillionVerify works on address lists regardless of where they come from. Export your Campaign Monitor subscriber list, verify it in bulk, and then suppress or remove flagged contacts before your next send.
Does BillionVerify detect role-based emails like info@ or noreply@?
Yes. Role-based addresses rarely belong to an individual and often generate complaints or low engagement. BillionVerify flags them so you can decide whether to exclude them from campaigns.
Is Integrately the easiest way to connect the two tools?
For non-technical users, yes—Integrately provides a 1-click integration that links BillionVerify to Campaign Monitor without writing any code. n8n and the REST API are better suited for custom logic.
Verify emails in Campaign Monitor
Create a free account, grab your API key, and stop bounces before they happen.
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