Alphainsider email verification with BillionVerify
AlphaInsider is a developer-focused platform for accessing and distributing financial data and insights. When your workflows distribute research or alerts via email, BillionVerify confirms subscriber addresses are valid — keeping your sender reputation clean and your data reaching real inboxes.
Why verify before the send
Financial data platforms that push insights, alerts, or research reports by email depend on reliable deliverability. A subscriber list polluted with invalid addresses, disposable signups, or dead inboxes inflates bounce rates and can trigger spam filters that affect everyone on your list. BillionVerify removes that risk by validating emails before they enter your distribution system.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Alphainsider sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in AlphaInsider + 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 AlphaInsider contacts",
"message": "Replace this Gmail send with your AlphaInsider 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 Alphainsider
Ready-to-use workflows that verify emails before Alphainsider sends.
How it works
- 1
Connect AlphaInsider to BillionVerify using the REST API or the n8n community node.
- 2
Trigger verification on new subscriber sign-ups or on a scheduled batch run for existing lists.
- 3
BillionVerify checks syntax, domain health, SMTP reachability, and flags disposable or role-based addresses.
- 4
Remove or quarantine addresses that fail verification before they receive email sends.
- 5
Monitor your sender reputation metrics — fewer bounces means stronger inbox placement over time.
When to use this
Validate subscribers before adding to alert lists
When a new user subscribes to AlphaInsider alerts or research digests, BillionVerify checks their email in real time — blocking disposable addresses and typos before they join your distribution list.
Scrub existing subscriber lists periodically
Run your current AlphaInsider subscriber database through BillionVerify's bulk API to identify and remove addresses that have gone inactive, bounced, or belong to disposable providers.
FAQ
Why do disposable emails matter for a financial data platform?
Disposable addresses often signal low-commitment signups or trial abuse. Filtering them keeps your engaged-subscriber metrics accurate and prevents wasted sends to inboxes that disappear after use.
Can BillionVerify handle large subscriber exports?
Yes. The bulk verification endpoint accepts large lists and returns detailed results per address, making it practical for periodic list hygiene on databases of any size.
Does verifying emails guarantee delivery?
Verification confirms an address is valid and reachable at check time, which significantly reduces bounces. Actual delivery also depends on your sending infrastructure and content quality.
Verify emails in Alphainsider
Create a free account, grab your API key, and stop bounces before they happen.
Get started free