1Lookup
Phone, email, IP and social data APIs for developers and AI agents
Visit 1Lookup
www.1lookup.ioAbout 1Lookup
1Lookup is a REST API for the data checks most apps end up building piece by piece: phone validation (carrier, line type, spam risk), email verification, IP intelligence (VPN, proxy and fraud scoring), contact and company enrichment, plus social and SEO data. One API key and one shared credit balance cover more than 70 data products, priced per lookup. AI agents can call it directly through its MCP server.
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If you're building in Data & Analytics, run a free AI-visibility scan on your own product — we ask ChatGPT across 5 prompt angles and score how often you get named. ~30 seconds, no signup, no card.
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Is 1Lookup your tool?
This is the page shoppers and AI assistants read when they look up 1Lookup. The one-time $99 Verified tier adds:
- Our 12-point AI-visibility scan of 1Lookup, emailed to you: which ChatGPT prompts named you, which named a competitor instead, and the wording the model used.
- The 🛡️ Verified badge on this page and next to your name in the category and newest-tool lists.
One-time $99, no subscription, nothing to fill in again. Your link back to your site is marked rel="sponsored", as Google requires for paid listings.
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