Zendesk email verification with BillionVerify
Zendesk is a leading customer support platform used by support teams to manage tickets, live chat, and customer relationships at scale. Connecting BillionVerify ensures every email address collected through Zendesk forms or imported into your contact records is valid before you rely on it for follow-ups.
Why verify before the send
Support tickets and help-center sign-ups often include mistyped or throwaway email addresses. Bounced replies damage your sending domain reputation and leave customers without help. BillionVerify filters invalid, disposable, role-based, and catch-all addresses so your support team communicates only with reachable inboxes.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Zendesk sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in Zendesk + 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 Zendesk contacts",
"message": "Replace this Gmail send with your Zendesk 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 Zendesk
Ready-to-use workflows that verify emails before Zendesk sends.
How it works
- 1
Connect BillionVerify to Zendesk through the n8n community node, Integrately (1-click), or directly via the REST API.
- 2
Choose a trigger — a new ticket, a new user record, or a scheduled list export.
- 3
BillionVerify checks each email address for validity, deliverability, disposable domains, role accounts, and catch-all status.
- 4
Based on the result, route the ticket, update the contact record, or block the action in your workflow.
- 5
Review verification logs in BillionVerify's dashboard to monitor address quality over time.
When to use this
Clean incoming ticket email addresses
When a new ticket arrives in Zendesk, trigger BillionVerify to check the requester's email. Flag or quarantine tickets from disposable or invalid addresses before your agents spend time on them.
Validate contacts during bulk import
Before importing a CSV of customer contacts into Zendesk, run the list through BillionVerify to remove bad addresses. Keeping your contact database clean reduces bounce rates on proactive support emails and product updates.
Gate help-center account creation
Verify email addresses at the point of help-center sign-up using the BillionVerify REST API. Blocking disposable and invalid emails stops spam accounts from cluttering your Zendesk instance.
FAQ
Can I verify email addresses on every new Zendesk ticket automatically?
Yes. Using the n8n community node or Integrately, you can trigger a verification check the moment a ticket is created and act on the result without manual steps.
What types of addresses does BillionVerify catch?
BillionVerify detects invalid syntax, non-existent mailboxes, disposable/temporary domains, role-based addresses like info@ or support@, and catch-all domains that accept any email.
Will this affect response times for legitimate tickets?
Verification typically completes in under a second, so the impact on ticket handling is negligible for real-time checks.
Do I need a developer to set this up?
Not necessarily. Integrately offers a 1-click integration, and the n8n node requires only basic workflow configuration. The REST API is available for teams who prefer a custom implementation.
Verify emails in Zendesk
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