Macadress Unauthorized Example is an example object payload from MAC Address Lookup: Find Vendor, OUI & Device Type, with 4 top-level fields. It illustrates the shape of data this provider's APIs accept or return.
{
"_provenance": {
"generated": "2026-08-28",
"method": "probed",
"source": "https://api.macadress.com/v1/mac/00:03:93:AB:12:34",
"note": "Observed live on 2026-08-28 with no credential presented. Records the real 401 envelope and which headers are and are not returned before authentication."
},
"operationId": "lookupMAC",
"request": {
"method": "GET",
"url": "https://api.macadress.com/v1/mac/00:03:93:AB:12:34",
"headers": {}
},
"response": {
"status": 401,
"headers": {
"content-type": "application/json",
"x-request-id": "06ce2062-0609-4786-8de8-c4443548f75e",
"x-data-version": "2026-08-28"
},
"body": {
"error": "missing API key: pass it as \"api_key\" (query param or POST body) or an Authorization: Bearer header"
},
"not_returned": ["X-RateLimit-Limit", "X-RateLimit-Remaining", "X-RateLimit-Reset", "WWW-Authenticate", "Retry-After"]
}
}