AWS Sns email verification with BillionVerify
AWS Simple Notification Service (SNS) is a fully managed pub/sub messaging service that delivers notifications to subscribers across queues, Lambda functions, HTTP endpoints, email addresses, and mobile devices. Teams use SNS to fan out alerts, trigger workflows, and broadcast events at scale across distributed systems.
Why verify before the send
When SNS is used to distribute messages to email subscribers or downstream services that collect addresses, unverified contacts inflate delivery failures and can trigger carrier-level reputation penalties. Running addresses through BillionVerify before they enter your SNS notification lists removes invalid, disposable, and role-based entries so every published message reaches a real inbox and your sender reputation stays intact.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before AWS Sns sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in AWS SNS + 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 AWS SNS contacts",
"message": "Replace this Gmail send with your AWS SNS 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 AWS Sns
Ready-to-use workflows that verify emails before AWS Sns sends.
How it works
- 1
Connect your AWS SNS node in n8n to receive or read subscription data.
- 2
Pass each email address to the BillionVerify node (available as an n8n community node) or call the REST API via an HTTP Request node.
- 3
BillionVerify returns a verdict covering validity, disposable detection, catch-all status, and role-address flags.
- 4
Use an IF node to branch: valid addresses proceed to SNS subscription confirmation; invalid addresses are logged or discarded.
- 5
Optionally connect via Integrately for a no-code 1-click setup that triggers the same verification flow without writing automation logic.
When to use this
Clean email subscriber lists before SNS fan-out
Before adding a new contact to an SNS email subscription, verify the address with BillionVerify. Invalid or disposable addresses are rejected early, keeping your topic subscriber list healthy and bounce-free from the start.
Validate addresses in event-driven onboarding flows
When an upstream service publishes a user-signup event to SNS, intercept it in an n8n workflow, verify the email, and only forward confirmed valid addresses to your CRM or mailing platform downstream.
Filter catch-all and role addresses before alerts
SNS alert subscribers that use catch-all or role-based addresses (info@, support@) often go unread. BillionVerify flags these so you can route them to a review queue instead of treating them as confirmed recipients.
FAQ
Does BillionVerify support bulk verification for existing SNS subscriber lists?
Yes. You can export your subscriber list, pass addresses through BillionVerify's bulk REST API endpoint, and re-import only the verified contacts before re-subscribing them to your SNS topic.
What connection methods are available for AWS SNS?
You can integrate via the BillionVerify n8n community node, a direct REST API call inside any automation tool, or a 1-click Integrately automation that links SNS events to BillionVerify without custom code.
Will verifying emails slow down my SNS message pipeline?
BillionVerify's API responds in under a second for most requests. For high-throughput pipelines, use the async bulk endpoint and process results in batches to avoid adding latency to real-time SNS flows.
Which types of bad addresses does BillionVerify detect?
BillionVerify identifies invalid syntax, non-existent mailboxes, disposable addresses, role-based addresses (admin@, noreply@), and catch-all domains where delivery cannot be confirmed.
Verify emails in AWS Sns
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