Verify mailing address deliverability of contacts in Keap/Infusionsoft Using Lob

Description This n8n workflow verifies the deliverability of mailing addresses stored in Keap/Infusionsoft by integrating with Lob’s address verification service. Who is this for? This template is designed for Keap/Infusionsoft 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 Keap/Infusionsoft Webhook sent to n8n Verify if the address is deliverable via LOB Report back to Keap/Infusionsoft Set Up Steps Watch this

Help me set up the n8n workflow "Verify mailing address deliverability of contacts in Keap/Infusionsoft Using Lob" (https://n8n.io/workflows/2251). It uses: HTTP Request, Keap. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.