Brevo email verification with BillionVerify
Brevo (formerly Sendinblue) is an all-in-one marketing platform covering email campaigns, SMS, automation, and CRM. Pairing Brevo with BillionVerify lets you validate contacts before they enter your lists, protecting your sender reputation and keeping campaign metrics accurate.
Why verify before the send
Brevo enforces strict deliverability standards and can suspend accounts with high bounce rates. Running your contacts through BillionVerify before importing them — or in real time as subscribers sign up — removes invalid, disposable, and catch-all addresses, so your campaigns reach real inboxes and your account stays in good standing.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Brevo sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key. Adapted from this n8n template
Workflow templates with Brevo
Ready-to-use workflows that verify emails before Brevo sends.
How it works
- 1
Connect BillionVerify to Brevo using the n8n community node, Integrately's 1-click automation, or the REST API.
- 2
Set up a trigger for new contact additions, form submissions, or list imports.
- 3
BillionVerify checks each address for validity, domain health, MX records, SMTP reachability, disposable providers, and catch-all configurations.
- 4
Contacts with a 'valid' result are passed to Brevo; invalid or risky addresses are filtered out or tagged for review.
- 5
Review periodic verification reports to maintain ongoing list hygiene as your audience grows.
When to use this
Pre-Import List Cleaning
Before uploading a purchased or migrated contact list to Brevo, pass it through BillionVerify in bulk. Strip undeliverable addresses and disposable emails to start your campaigns with a clean, high-quality list from day one.
Real-Time Signup Validation
Verify every new subscriber's email as they fill out a form connected to Brevo. Block invalid or disposable addresses at the point of capture, preventing them from ever entering your automation flows.
Re-Engagement Campaign Prep
Before launching a re-engagement campaign to dormant contacts in Brevo, re-verify their addresses with BillionVerify. Many addresses go stale over time; filtering them out prevents a bounce spike that could hurt your sending domain.
FAQ
Why is list hygiene especially important in Brevo?
Brevo monitors sender reputation closely. A sustained high bounce rate can trigger sending restrictions or account suspension, so validating addresses before they reach your lists is a proactive protection measure.
Can BillionVerify verify contacts in real time during Brevo form submissions?
Yes. Using n8n or Integrately, you can intercept form data before it reaches Brevo, verify the email, and only pass confirmed-valid contacts through to your lists.
How does BillionVerify handle catch-all domains?
Catch-all domains accept all email at the server level without bouncing, making deliverability uncertain. BillionVerify flags them separately so you can decide whether to include or exclude them based on your campaign strategy.
Does verifying addresses affect my Brevo sending credits?
No — BillionVerify operates independently before emails are sent. Filtering out invalid addresses actually saves your Brevo sending credits by ensuring you only send to reachable inboxes.
Verify emails in Brevo
Create a free account, grab your API key, and stop bounces before they happen.
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