Automate Address Verification for New HighLevel Contacts Using Lob

This n8n workflow automates the verification of mailing addresses for new contacts in HighLevel by leveraging Lob's address verification service, ensuring data accuracy and deliverability.

n8n

This workflow is designed for HighLevel users who need to maintain accurate mailing addresses in their CRM. By integrating with Lob, it automates the process of checking address deliverability, reducing manual errors and improving data quality. When a new contact is added to HighLevel, their address is sent to n8n via a webhook, verified through Lob, and updated in HighLevel with deliverability status tags.

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Last updated September 26, 2026
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How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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