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BillionVerifyKeap Max Classic

Verify emails before sending in Keap Max Classic

Pull contacts, verify each address with BillionVerify, and continue to Keap Max Classic — only deliverable addresses get through.

Download n8n workflow (JSON)Install the n8n node

Why verify before the send

Sending to invalid, risky, catch-all, or disposable addresses spikes your bounce rate and erodes sender reputation. A verification gate before the Keap Max Classic step removes that risk automatically — only deliverable addresses continue, the rest are flagged.

The workflow

BillionVerify — verification sits right before the send.

+2
n8n steps
billionverify
Verify Email (BillionVerify)
+2
n8n steps

Node by node

  1. 1
    When clicking ‘Test workflow’Trigger· n8n

    Starts the workflow — on a schedule, a webhook, or manually while you test.

  2. 2
    Get contactsSource· n8n

    Provides or transforms the contact data flowing through the workflow.

  3. 3
    Verify Email (BillionVerify)Verify· billionverify

    The BillionVerify node verifies the address — status (valid / invalid / risky / catch-all / role / disposable), is_deliverable, and a confidence score — before anything is sent.

  4. 4
    IF deliverableLogic· n8n

    Branches on the verification result: only deliverable addresses continue to the send; the rest are skipped and flagged.

  5. 5
    Send emailSend· n8n

    Sends only to verified, deliverable addresses. Swap in your own provider node if you send elsewhere.

Workflow JSON

Copy or download this workflow, then import it in n8n (Workflows → Import from File / Paste). Install the BillionVerify community node first, then add your API key credential.

verify-emails-in-keap-max-classic.json3 KB · n8n workflow
Download

When to use this

  • Cleaning a list before a Keap Max Classic send or sync.
  • Protecting Keap Max Classic deliverability and sender reputation.
  • Keeping bounce rates low so your sending is never throttled.

Three ways to connect

n8n node

Install the BillionVerify community node and drop it into this workflow.

Integrately

1-Click connect BillionVerify with 1500+ apps, no code.

REST API

Call the verification API directly from any stack.

FAQ

Why verify before sending in Keap Max Classic?

Verifying first keeps your bounce rate low, which protects your sender reputation and your results.

How do I import this workflow?

Download the JSON, then in n8n go to Workflows → Import from File (or paste it). Install the BillionVerify community node and add your API key credential.

What happens to risky or catch-all addresses?

They are routed to the false branch and excluded from the send. You decide whether to retry, review, or drop them.

Add verification to your workflow

Create a free account, grab your API key, and stop bounces before they happen.

Get started free