CentralStation CRM email verification with BillionVerify
CentralStation CRM is a simple, no-frills contact and relationship management tool built for small businesses and freelancers. Adding BillionVerify to your CentralStation CRM workflows guarantees that the email addresses you store for clients and prospects are valid and reachable, so every follow-up and newsletter you send has a chance of landing in the inbox.
Why verify before the send
Small business CRMs live and die by contact quality. A list full of bounced or invalid addresses damages your email sending reputation and skews your outreach metrics. BillionVerify catches invalid, role-based, and disposable addresses before they take up space in CentralStation CRM, letting you focus energy on contacts who can actually respond.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before CentralStation CRM sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in CentralStation CRM + 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 CentralStation CRM contacts",
"message": "Replace this Gmail send with your CentralStation CRM 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 CentralStation CRM
Ready-to-use workflows that verify emails before CentralStation CRM sends.
How it works
- 1
Link BillionVerify to CentralStation CRM via the REST API, an n8n workflow, or an Integrately one-click automation.
- 2
Send each new or imported contact's email address to BillionVerify for verification.
- 3
Receive a verdict covering validity, disposable-domain detection, role-address flags, and catch-all status.
- 4
Tag or segment contacts in CentralStation CRM based on their verification result.
- 5
Exclude unverified or flagged contacts from email campaigns to maintain healthy deliverability.
When to use this
Verify new contacts before adding to CRM
When a prospect fills out a contact form or you manually enter a new lead, pass the email through BillionVerify before saving it to CentralStation CRM. This prevents your contact list from filling up with undeliverable addresses.
Audit existing contacts for list hygiene
Run your current CentralStation CRM contact list through BillionVerify's bulk verification to identify and remove addresses that have gone invalid, reducing bounce risk on your next outreach.
FAQ
Is BillionVerify suitable for small contact lists typical of a solo CRM user?
Absolutely. BillionVerify works for single-address real-time checks and large bulk lists alike, making it practical whether you have 50 contacts or 50,000.
What is a role-based address and why should I avoid it?
Role-based addresses like info@, support@, or admin@ are monitored by multiple people and often auto-filter bulk mail. BillionVerify flags them so you can target individual contacts instead.
How often should I re-verify my CentralStation CRM contacts?
A quarterly audit is a good starting point. Email addresses change when people switch jobs or abandon providers, so periodic re-verification keeps your list accurate over time.
Can I automate verification so I never have to think about it?
Yes. Using n8n or Integrately, you can build a workflow that automatically verifies every new contact added to CentralStation CRM without any manual intervention.
Verify emails in CentralStation CRM
Create a free account, grab your API key, and stop bounces before they happen.
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