MAC Address Vendor Lookup Workflow for n8n (macadress.com API)

Instant MAC address vendor lookup in n8n with the macadress.com API

This MAC Address Vendor Lookup Workflow for n8n lets you manually enter a MAC address and instantly retrieve the associated hardware vendor/manufacturer details using the macadress.com API.

What this workflow does

• Runs on-demand: The workflow is triggered manually by clicking Execute workflow in n8n—ideal for quick lookups or testing.
• Sends your MAC address to macadress.com: An HTTP Request node forwards the MAC address you provide to the macadress.com API to retrieve vendor information.
• Returns clean output: A Set node trims the raw API response down to the essentials (such as vendor name and address), so the final workflow output is easy to read and use.

Use cases

• Network troubleshooting: Identify the likely vendor of an unknown device by looking up its MAC address during an investigation.
• Asset inventory checks: Validate vendor information for devices observed on your network without building a full pipeline.
• Security operations triage: Quickly enrich MAC addresses with vendor details while investigating alerts or suspicious activity.
• SaaS operations & support: Use on-demand vendor lookup to assist customers when they report device or connectivity issues.

Technical details

• Workflow type: Manual execution (runs when you click Execute workflow in n8n).
• API integration: macadress.com API via an HTTP Request node.
• Credential setup: Create a macadress.com credential in n8n using your API key.
• n8n nodes used: sticky note, manual trigger, and n8n-nodes-macadressmacadress.
• Data shaping: A Set node outputs only the key vendor fields from the API response.

How to set it up

Sign up for macadress.com, generate an API key, add it to a macadress.com credential in n8n, then update the MAC address in the trigger or Set node and run the workflow to view the vendor results.