1Lookup ✓

1Lookup is a multi-purpose data intelligence and API platform that helps businesses, developers, and AI agents validate, enrich, monitor, and research data across multiple domains. Its all-in-one platform offers phone and email validation, IP and domain intelligence, social data, B2B prospecting, SEO and web intelligence, reverse lookups, skip tracing, and audio transcription.

Its phone intelligence tools provide real-time information on a number’s validity and reachability, along with carrier, line-type, porting, DNC, spam, and fraud-risk signals. Email validation checks syntax, MX records, SMTP/mailbox deliverability, and disposable or catch-all addresses. IP intelligence provides geolocation and risk signals, including VPN, proxy, Tor, and hosting/datacenter detection.

1Lookup also offers domain and web intelligence, including website technology, security, business, and SEO-related insights, as well as social data tools for profiles, posts, searches, ads, and public video transcripts. Its skip-tracing and reverse-lookup capabilities help enrich identity and contact records using available data and confidence signals, while its audio transcription product converts audio and video into text at scale.

The platform brings these products together under one API ecosystem and shared credit system, with integrations and workflow support for platforms including Twilio, Shopify, HubSpot, Salesforce, and AI-agent clients through its MCP server. Overall, 1Lookup is designed to improve data quality, support enrichment and research workflows, help identify risk and fraud, and provide real-time intelligence from a single platform.

Verdict: Your original description was around 85–90% accurate. The main things that needed correction were overstating the AI-agent focus, simplifying “active” phone verification, and overstating skip tracing as an asset-location service.