Facebook Lead Ads email verification with BillionVerify
Facebook Lead Ads lets marketers collect contact details directly inside Facebook and Instagram without sending users to an external landing page. Leads arrive fast, but email quality varies widely — fake addresses, typos, and disposable inboxes are common. BillionVerify cleans every submission before it reaches your CRM or email platform.
Why verify before the send
Lead form submissions are notorious for low-quality data: users autofill outdated emails, enter throwaway addresses, or make typos on mobile. Sending campaigns to unverified Facebook leads inflates bounce rates, damages your sender reputation, and wastes ad spend on contacts that will never engage. Verifying in real time keeps your list healthy from day one.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Facebook Lead Ads sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in Facebook Lead Ads + 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 Facebook Lead Ads contacts",
"message": "Replace this Gmail send with your Facebook Lead Ads 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 Facebook Lead Ads
Ready-to-use workflows that verify emails before Facebook Lead Ads sends.
How it works
- 1
A new lead submits your Facebook Lead Ad form.
- 2
n8n, Integrately, or your own REST API call triggers a BillionVerify check on the submitted email address.
- 3
BillionVerify validates the address — checking syntax, domain health, MX records, disposable status, and SMTP reachability.
- 4
Valid addresses are routed to your CRM or email platform; invalid, disposable, or catch-all addresses are flagged or discarded.
- 5
Your follow-up sequence starts with a clean, deliverable list.
When to use this
Protect your sender reputation after lead campaigns
High-volume Facebook lead campaigns can flood your list with invalid addresses. Run every new lead through BillionVerify before adding them to your email platform so bounces never spike after a campaign launch.
Filter disposable and role-based emails
Users sometimes enter temporary or role-based addresses to unlock lead magnets. BillionVerify detects disposable domains and role accounts like info@ or admin@, letting you skip contacts that will never convert.
Keep CRM data clean at the point of capture
Sync verified leads directly to your CRM so sales reps work only with reachable contacts. Eliminate cleanup tasks downstream by rejecting bad addresses the moment a form is submitted.
FAQ
Can I verify Facebook leads in real time?
Yes. Using the BillionVerify REST API via n8n or Integrately, each lead is checked within seconds of form submission — before it is written to your CRM or email tool.
What types of bad addresses does BillionVerify catch?
BillionVerify detects invalid syntax, non-existent domains, disposable email providers, role-based addresses, and unreachable mailboxes identified through SMTP probing.
Will this slow down my lead flow?
Verification typically completes in under two seconds, so your automation proceeds with minimal delay and leads still arrive in your tools quickly.
Do I need to modify my Facebook Lead Ad form?
No. Verification happens in the automation layer after submission. Your form stays unchanged — BillionVerify integrates via n8n, Integrately, or a direct REST API call in your workflow.
Verify emails in Facebook Lead Ads
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