Circleci email verification with BillionVerify
CircleCI is a continuous integration and delivery platform used by engineering teams to automate builds, tests, and deployments. When CircleCI pipelines send build notifications, alerts, or developer onboarding emails, BillionVerify ensures those addresses are valid — keeping CI/CD communication reliable.
Why verify before the send
Developer tools often collect team member emails through invitations, integrations, or automated workflows. Invalid or mistyped addresses mean critical build alerts and failure notifications go undelivered. BillionVerify validates addresses before they enter your notification pipelines, ensuring engineers actually receive the status updates they depend on.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Circleci sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in CircleCI + 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 CircleCI contacts",
"message": "Replace this Gmail send with your CircleCI 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 Circleci
Ready-to-use workflows that verify emails before Circleci sends.
How it works
- 1
A CircleCI event fires — such as a new team member addition, a build notification trigger, or a pipeline webhook.
- 2
An n8n workflow using the BillionVerify community node, or an Integrately automation, intercepts the event and extracts the relevant email address.
- 3
The address is submitted to the BillionVerify REST API for real-time validation.
- 4
BillionVerify returns a result indicating whether the address is valid, disposable, a role account, or part of a catch-all domain.
- 5
Only verified addresses are used for notifications or stored in your developer contact records.
When to use this
Validate developer emails during team onboarding
When new team members are invited to CircleCI projects via automation, verify their email addresses with BillionVerify before provisioning access and sending invitations. Catch typos and role addresses early.
Keep build notification recipients current
CircleCI can notify external systems and contacts when builds fail or succeed. Running those recipient lists through BillionVerify ensures alerts reach real inboxes and aren't silently dropped due to invalid addresses.
FAQ
Why would a CI/CD platform need email verification?
Build alerts, failure notices, and deployment notifications all rely on email. Invalid addresses mean engineers miss critical pipeline updates, which can delay incident response and slow down development cycles.
How does BillionVerify integrate with CircleCI?
CircleCI webhooks can trigger n8n workflows with the BillionVerify community node, or connect through Integrately. You can also call the BillionVerify REST API from custom pipeline scripts.
Can BillionVerify check addresses collected by CircleCI's API?
Yes. Any email surface — invitations, webhook payloads, or data pulled from the CircleCI API — can be routed through BillionVerify for validation before being used downstream.
Verify emails in Circleci
Create a free account, grab your API key, and stop bounces before they happen.
Get started free