{"slug":"api-companyrecords-api-workers-dev-api-b2b-macvendors-lookup-b13119","title":"MAC address vendor lookup (IEEE OUI registry via macvendors.com)","host":"api.companyrecords-api.workers.dev","method":"GET","resource":"https://api.companyrecords-api.workers.dev/api/b2b/macvendors-lookup","category":"company","description":"MAC address vendor lookup (IEEE OUI registry via macvendors.com): returns the registered hardware vendor for a MAC address or OUI prefix. Public free API; vendor name only, no device data.","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":23,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:10","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:480","eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","xrpl:0"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"mac":"44:38:39:ff:ef:57"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"mac":{"description":"MAC address or OUI, e.g. 44:38:39:ff:ef:57 or 443839","type":"string"}},"required":["mac"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":23,"error":null}],"description_full":"MAC address vendor lookup (IEEE OUI registry via macvendors.com): returns the registered hardware vendor for a MAC address or OUI prefix. Public free API; vendor name only, no device data.","last_updated":"2026-10-23T20:35:21.307Z","schemes":["exact"]}