# MAC Address Lookup: Find Vendor, OUI & Device Type

**Canonical:** https://apis.io/providers/macadress/  
**Website:** https://macadress.com/mac-address-api  
**APIs profiled:** 1

REST/JSON API, hosted MCP server, and reference data for MAC address / OUI lookup — resolving vendor, IEEE registration block, device category, and randomization confidence. Data synced twice daily from IEEE MA-L/MA-M/MA-S/IAB/CID registries. Operated by ApisOS FZE (macadress.com).

## Kin Score — 53.7 / 100 (developing)

Scored 2026-09-01 under rubric 0.17.2. Trend: flat (+0.0 from 53.7).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 50.3 |
| Governance | 15.2 |
| Contract Governance | 15.2 |
| Operational Transparency | 50.0 |
| Developer Ergonomics | 50.0 |
| Commercial Clarity | 76.3 |
| Access Clarity | 76.3 |

## Agent readiness — 43.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | yes |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (1)

- **macadress.com API** — REST/JSON API for single and batch MAC/OUI lookups, vendor directory search, and health checks. Requires a free API key via Authorization Bearer or api_key query/body. Live API ...

## MCP servers (1)

- **MAC Address Lookup: Find Vendor, OUI & Device Type MCP Server** — The endpoint is on the mcp. SUBDOMAIN. macadress.com/mcp is the documentation page and answers 405 to POST -- probing it as the endpoint reads as absence. Streamable HTTP, state...

## Agentic access (1)

- **Macadress Agentic Access** — 4 operations

## Security (3)

- **Macadress Authentication** — http/apiKey · 3 schemes
- **Macadress Domain Security** — TLSv1.3 · HSTS
- **Macadress Vulnerability Disclosure** — Hackerone · security.txt · contact published

## Plans (1)

- **Macadress Plans Pricing**

## Tags

Networking, Network Access Control, Security, SecOps, IoT, Device Fleet Management, MDM, Reference Data, IEEE OUI Lookup, Developer Tools, MCP, agent-native

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/macadress/). Scores are computed from the provider's own public artifacts under a published rubric.