HighLevel New Contact Mailing Address Verification Automation
This workflow automates the verification of mailing addresses for newly added contacts, ensuring their validity and deliverability. By utilizing the address verification API from Lob.com, it can identify spelling errors and automatically flag the address status, reducing the burden of manual checks. It is suitable for marketing and customer service teams, helping businesses improve the accuracy of mailing addresses and enhance the success rate of mail deliveries, thereby optimizing customer communication and work efficiency.

Workflow Name
HighLevel New Contact Mailing Address Verification Automation
Key Features and Highlights
This workflow automates the verification of mailing addresses for new contacts added in HighLevel, ensuring address validity and deliverability. It can detect spelling errors in address inputs to enhance data accuracy. By integrating with Lob.com's address verification API, the workflow intelligently determines whether an address is deliverable and automatically applies corresponding tags within HighLevel for streamlined subsequent automation.
Core Problems Addressed
- Preventing mail delivery failures caused by incorrect addresses
- Automatically identifying and tagging undeliverable addresses to reduce manual verification workload
- Ensuring the accuracy and completeness of contact address data within the CRM system
Application Scenarios
- Marketing teams verifying customer addresses before sending mailed advertisements or materials
- Customer service teams ensuring mailing addresses are valid to improve customer experience
- Any businesses or teams using HighLevel to manage customer contact information and requiring physical mail delivery
Main Process Steps
- Receive new contact address information from HighLevel CRM via Webhook
- Format and set address fields appropriately
- Call Lob.com's US address verification API to check address validity
- Use a Switch node to determine deliverability based on verification results
- Tag deliverable addresses in HighLevel with “Mailing Address Deliverable”
- Tag undeliverable addresses with “Mailing Address NOT Deliverable” and trigger manual or automated verification workflows
Involved Systems or Services
- HighLevel CRM (contact data retrieval and tag updates)
- Lob.com (address verification API)
- n8n Automation Platform (Webhook trigger and workflow orchestration)
Target Users and Value
- Businesses and teams managing customer information via HighLevel
- Marketing and customer service personnel requiring efficient and accurate mailing address verification to ensure successful mail delivery
- Operations managers aiming to reduce manual error-checking workload through automation and improve data quality
This workflow enables real-time mailing address verification and tag management, significantly increasing mail delivery success rates, ensuring smooth customer communication, and greatly saving manual verification time to boost operational efficiency.