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Verify mailing address deliverability of new contacts in HighLevel Using Lob

by Belmont Digitaladapted from n8n official workflow galleryUpdated Aug 2026
RequiresHTTP RequestHTTP RequestHighLevelHighLevel
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SeSet Address FieldsSet Address Fie…WeCRM Webhook TriggerCRM Webhook Tri…HRAddress VerificationAddress Verific…HLUpdate HighLevel - DeliverableUpdate HighLeve…HLUpdate HighLevel - NOT DeliverableUpdate HighLeve…SwSwitch12345
1/5
STEPS · 5
Starts on an incoming request

This n8n workflow verifies the deliverability of mailing addresses stored in HighLevel by integrating with Lob's address verification service. Who is this for? This template is designed for HighLevel users who need to ensure the accuracy of mailing addresses stored in their CRM systems. What problem is this workflow solving? / Use Case This workflow addresses the challenge of maintaining accurate mailing addresses in CRM databases by verifying the deliverability of addresses. What this workflow does A new contact is created in HighLevel Webhook sent to n8n Verify if the address is deliverable via LOB Report back to HighLevel Set Up Steps Watch this setup video: https://www.youtube.com/watch?v=T7Baopubc-0 Takes 10-30 minutes to set up Accounts Needed: HighLevel LOB Account (https://www.lob.com $0.00/mo 300 US addresses Verifications) n8n Before using this template, ensure you have API keys for your HighLevel app and Lob. Set up authentication for both services within n8n. How to customize this workflow to your needs You can customize this workflow by adjusting the trigger settings to match HighLevel's workflow configuration.

Tags

n8nreference-onlyhigh-level
Connects
WHTTP RequesthighlevelHighLevel
CategoryHigh Level
Triggermanual
Complexitymedium
Nodes6
AddedMar 13, 2024

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