Capsule CRM email verification with BillionVerify
Capsule CRM helps small businesses manage contacts, track deals, and build customer relationships. Connecting it to BillionVerify ensures every email address that enters your CRM is valid, deliverable, and free of disposable or role-based addresses before it pollutes your pipeline.
Why verify before the send
A CRM is only as reliable as the data inside it. Invalid emails inflate contact counts, trigger bounces when you reach out, and quietly erode sender reputation over time. BillionVerify filters out bad addresses at the point of entry—catching disposable accounts, catch-all domains, role addresses, and undeliverable mailboxes before they ever touch Capsule CRM.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Capsule 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 Capsule 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 Capsule CRM contacts",
"message": "Replace this Gmail send with your Capsule 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 Capsule CRM
Ready-to-use workflows that verify emails before Capsule CRM sends.
How it works
- 1
Connect BillionVerify to Capsule CRM using the n8n community node, Integrately's 1-click setup, or the BillionVerify REST API.
- 2
Set a trigger—such as a new contact created or a list imported—to send the email address to BillionVerify for verification.
- 3
BillionVerify checks the address for validity, deliverability, disposable domain, catch-all status, and role-based patterns.
- 4
Receive a structured result with a clear status (valid, invalid, risky) and route the contact accordingly in Capsule CRM.
- 5
Keep your CRM data clean on an ongoing basis by re-verifying contacts on a schedule or before major outreach campaigns.
When to use this
Clean contacts at import
Before bulk-importing a prospect list into Capsule CRM, route it through BillionVerify to remove invalid and risky addresses. Only verified contacts land in your CRM, keeping your pipeline accurate from day one.
Validate leads from web forms
When a new contact is created in Capsule CRM via a web form or integration, trigger a BillionVerify check automatically. Flag or discard addresses that fail verification so your team never wastes time chasing undeliverable leads.
Protect outreach reputation
Sales emails sent through Capsule CRM integrations carry your domain's reputation. Verifying recipients beforehand keeps bounce rates low and ensures your messages land in inboxes, not spam folders.
FAQ
Does BillionVerify integrate directly with Capsule CRM?
Yes. You can connect the two using the BillionVerify n8n community node, a 1-click Integrately workflow, or the REST API inside any automation that touches Capsule CRM.
What types of bad addresses does BillionVerify catch?
BillionVerify detects invalid syntax, non-existent mailboxes, disposable email providers, role-based addresses like info@ or support@, and catch-all domains that accept any email without confirming delivery.
Will verification slow down contact creation in Capsule CRM?
Verification typically completes in under a second for single addresses. For bulk imports you can run verification as a pre-import step so the CRM receives only clean data.
Can I re-verify existing Capsule CRM contacts?
Yes. Export your contact list, run it through the BillionVerify bulk API, and use the results to update or remove stale addresses before your next outreach campaign.
Verify emails in Capsule CRM
Create a free account, grab your API key, and stop bounces before they happen.
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