Instantly check phone numbers, emails, IP addresses and domains with free, rate-limited tools powered by the 1Lookup data verification API. Try any tool below. Create a free account when you need full reports or bulk processing.
Phone Number LookupReverse Phone LookupCarrier LookupLine Type LookupSpam Number LookupHLR LookupNumber Portability LookupEmail VerifierIP Address LookupWhat Is My IPVPN & Proxy DetectionIP Blacklist CheckDomain Authority Checker
Phone Number LookupReverse Phone LookupCarrier LookupLine Type LookupSpam Number LookupHLR LookupNumber Portability LookupEmail VerifierIP Address LookupWhat Is My IPVPN & Proxy DetectionIP Blacklist CheckDomain Authority Checker
Every tool here runs on the 1Lookup API, the same real-time phone, email and IP intelligence used in production by businesses worldwide. Get complete results, batch uploads, and a generous free tier when you sign up.
