Gotowebinar email verification with BillionVerify
GoToWebinar helps businesses host online events and grow their audience through registrations. Connecting BillionVerify ensures every registrant email is valid before they enter your funnel, keeping your attendee lists clean and your sender reputation intact when you send event reminders and follow-ups.
Why verify before the send
Webinar registrations attract bots, typos, and disposable addresses that inflate your list without ever attending. Verifying registrants upfront removes invalid, role-based, and catch-all addresses, so your reminder sequences land in real inboxes and post-event engagement metrics reflect actual audience interest.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Gotowebinar sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in GoToWebinar + 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 GoToWebinar contacts",
"message": "Replace this Gmail send with your GoToWebinar 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 Gotowebinar
Ready-to-use workflows that verify emails before Gotowebinar sends.
How it works
- 1
A new registrant is created in GoToWebinar, triggering an n8n workflow or Integrately automation.
- 2
BillionVerify checks the email address for validity, disposable domains, role prefixes, and catch-all status.
- 3
The verification result is returned with a clear status: valid, invalid, risky, or unknown.
- 4
Based on the result, the workflow either continues the confirmation flow or suppresses the contact.
- 5
Clean registrants proceed through your GoToWebinar reminder and follow-up sequences without risk.
When to use this
Validate registrants at sign-up
Trigger BillionVerify the moment a new registrant is added in GoToWebinar. Invalid or disposable addresses are flagged instantly, letting you suppress them before sending confirmation emails and protecting your deliverability from the start.
Clean historical registrant lists
Before a major follow-up campaign, batch-verify past registrant email addresses through the BillionVerify REST API. Remove hard-bounce risks and role accounts so your re-engagement emails reach genuine attendees and prospects.
Gate on-demand recording access
When leads request access to a recorded webinar, verify their email before sending the link. This stops bots from harvesting content and ensures your drip sequence following the recording reaches real, interested contacts.
FAQ
Does verifying registrant emails affect the sign-up experience?
No. Verification happens server-side after registration. Registrants complete the form normally, and only invalid addresses are suppressed before confirmation emails are dispatched.
How do I connect BillionVerify to GoToWebinar?
Use the BillionVerify n8n community node or Integrately for a 1-click setup. Alternatively, call the BillionVerify REST API directly from any automation that handles GoToWebinar webhook events.
Can I verify emails in bulk before a webinar reminder?
Yes. Export your registrant list, submit addresses to the BillionVerify bulk verification endpoint, and filter out invalid results before scheduling reminder sends.
What address types does BillionVerify catch?
BillionVerify detects invalid syntax, non-existent mailboxes, disposable domains, role accounts such as info@ or noreply@, and catch-all domains that accept any address regardless of whether it exists.
Verify emails in Gotowebinar
Create a free account, grab your API key, and stop bounces before they happen.
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