MAC address vendor lookup
Retrieve vendor details and other information regarding a given MAC address or an OUI
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Yes
- Category
- Development
- Documentation / URL
- https://macaddress.io/api
Overview
MAC address vendor lookup provides MAC/OUI vendor data — key-based.
⚠️ Status (verified 2026-08): the API host was unreachable from our network (connection failures). Verify from your network before relying on it.
What it provides
curl "https://api.macaddress.io/v1?apiKey=YOUR_KEY&output=json&search=44:38:39:ff:ef:57"Notes
- MAC/OUI vendor lookup.
- Key-based auth.
FAQ
Is MAC vendor lookup free? Key-based with a free tier per the docs.
Why can’t I reach it? Our 2026-08 check hit connection failures — verify from your network.
What does it return? Vendor details for a MAC address.
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